Astrology for September

As we step into September, the subtle but steady shift of the seasons becomes undeniable. The nights grow longer, dusk settles earlier, and the air itself hints at change. On the very first evening of the month, Saturn drifts back into Pisces, rising in the east around 8:30 p.m., a steadfast presence in the night sky. Meanwhile, the dawn belongs to Venus and Jupiter, glowing together in the eastern horizon near the constellation Orion, whose jeweled belt sparkles like a celestial beacon.

On September 2nd, Mercury enters Virgo, the sign it calls home. Here, Mercury sharpens thought, quickens perception, and lends a gift for efficiency and clarity. Yet it does not move without challenge—squaring Uranus in Gemini, the cosmic disruptor. This tense exchange rattles routines, bringing sudden awakenings, surprising insights, or unexpected turns in our daily rhythms.

September also ushers in the potent threshold of eclipse season. A total lunar eclipse on the 7th takes place in the morning, hidden from our view, yet still stirring the inner tides of emotion and memory. Later, on the 21st, a partial solar eclipse at 29° Virgo casts its shadow, visible from New Zealand, amplifying a sense of collective and personal turning points.

All the while, the Aries Vortex aligns tightly, intensifying the atmosphere. This rare current of energy signals dramatic shifts in culture and politics, a collective restlessness that breaks old patterns and demands renewal. In our own lives, this same current may press us to initiate something fresh, to step beyond the familiar and imagine new forms of expression, brimming with Aries vitality and possibility.

Celestial Events for September

Sep 1 – Saturn retrogrades back into Pisces – good time for review of what you have created, initiated or acted on this year.

Sep 2 – Mercury enters Virgo, squares Uranus in Gemini – Mercury expresses with precision in Virgo. With the square to Uranus, communications and news can be surprising, disruptive, or set the stage for new perceptions. Be curious!

Sep 4 – Mars at 18 Libra squares Jupiter in Cancer – Watch taking on too much, or over promising what you are capable of delivering. Jupiter can be overly confident.

Sep 5 – Uranus goes retrograde at 1 Gemini – Uranus changing direction can act as the trickster, the rebel, the disrupter.

Sep 7 – Total Lunar Eclipse, 15 Pisces 

On the day of this eclipse, sensitivities are heightened. Emotions may run deep, and we may feel especially porous to the moods of others or to the challenges of our environment. With the Full Moon in Pisces aligned with the North Node, empathy and compassion swell, reminding us of our shared humanity and our longing for connection.

Yet the Sun in Virgo calls us to balance this Piscean openness with discernment, grounding, and practical clarity. This eclipse asks us to hold the Virgo–Pisces polarity: to honor both the spiritual and the tangible, the imaginative and the orderly, the heart’s compassion and the mind’s discrimination.

A trine from Jupiter brings protection, faith, and a buoyant generosity that helps to lift any heaviness of the eclipse intensity. The water element is emphasized, underscoring our need for emotional flow, connection, and release. Meanwhile, Venus in Leo quincunx the Moon stirs a playful, creative impulse that must adjust itself to Pisces’ depth and sensitivity.

The Pisces–Virgo axis illuminated here points us toward themes of service and devotion, of compassion alongside the rituals and routines that anchor daily life. Where does this polarity of Pisces and Virgo fall in your chart? This is a day for mindful alignment, body and spirit, imagination and order, inner and outer life finding their balance.

September 7 – Total Lunar Eclipse, 11:09 am PDT

Affirmation for Lunar Eclipse in Pisces

“Under the Lunar Eclipse full Moon in Pisces I am sensitive to humanity, friends, loved ones and to myself. I benefit from quiet time and the settling of emotions. The light of this full Moon through the evening will nourish my soul.”

Sep 11 – The Sun at 19 Virgo sextiles Jupiter in Cancer – an enjoyable day, being with those you love, a good day to host dinner for friends

Sep 12 – Mercury at 19 Virgo sextiles Jupiter in Cancer – Auspicious day for studying, writing, teaching. Communications flow more smoothly

Sep 13 – The Sun and Mercury conjunct at 20 Virgo, Cazimi – a day for brilliancy, that’s Mercury in cazimi with the Sun.

Sep 15 – Venus at 25 Leo sextiles Mars in Libra – enjoyable relations, creative expression enhanced and productive.

Sep 16 – Venus at 26 Leo trines, while Mars at 26 Libra opposes Chiron in Aries – a day for investigating the quality of our relationships and any challenges that surface that call for healing.

Sep 17 – Mercury at 28 Virgo opposes Saturn in Pisces – a day for mindfulness, for quieting the mind, and slowing our busyness. Deeper insights may arrive. Let what seems self critical morph into discernment of next steps to take.

Sep 18 – Mercury enters Libra – Mercury leaves precise Virgo and enters poetic and esthetic Libra. Our consideration for others grows

Sep 18 – Mercury at 1 Libra – opposes Neptune in Aries, trines Pluto in Aquarius and Uranus in Gemini – Mercury triggers the Aries Vortex, perhaps bringing surprising news.

Sep 19 – Venus into Virgo – Venus leaves expressive Leo and enters humble Virgo. Service and thoughtfulness become valued in relationship.

Sep 20 – Venus at 1 Virgo squares Uranus in Gemini – relatedness versus freedom and individuality! Unexpected changes in relationship. Be curious!

Sept 20 – The Sun at 28 Virgo opposes Saturn in Pisces – a day to slow and take stock of where we are and where we have been and what we want to create. (For more insight into the Solar Eclipse, the Autumn Equinox and the activating of the Aries Vortex, and how to best navigate these times, join Susan for the Equinox Astrology talk, Saturday, September 20, at 9:30 am, sign up here)

Sep 21 – Solar Eclipse New Moon in Virgo – (2nd New Moon in Virgo also known as a black Moon) Virgo gets down to its tasks with humility and quietness, with efficiency and attentiveness. What needs this quiet attention and ordering in your life right now? With the Eclipse opposing Saturn and Neptune this day calls for some quiet meditation and reflection. What is being imagined into form? Set your intention and let the new Moon plant the seed. This new Moon powers the Aries Vortex. Your plans now bring you to a crossroads of change. An initiation into renewed way of being. It’s the seeding of a longer journey, a seeding of a birth that calls to you to more boldly be yourself, releasing old conditioning and liberating oneself.

September 21 – Solar Eclipse New Moon, at 29 Virgo, 12:54 pm PDT

 

Affirmation for Solar Eclipse New Moon in Virgo

“Under the Solar Eclipse in the last degree of Virgo I take time to review what needs to be completed. I can feel the movement of some new birth in my life and I listen for its direction.”

Sep 21 – Mars enters Scorpio – Mars enters its own sign, Scorpio, and stirs up what has been hidden, brings passion to our intentions and can intensify our encounters. It’s excellent for research work.

Sept 22 – The Autumn Equinox – The Sun enters Libra – The fall teaches us about letting go and shifting our perspectives. It calls us to begin to come back into ourselves. This is a potent fall season with the Sun opposing Neptune and Saturn, activating the Aries Vortex and with Mars entering intense Scorpio, following the Solar Eclipse. We are in a time of in between, something trying to birth, but still in the womb of becoming. It’s a challenging labour.

 

Sep 23 – The Sun in Libra opposes Neptune in Aries, trines Pluto in Aquarius and trines Uranus in Gemini – We don’t know what the Aries Vortex will bring, but certainly we can feel the culture being reshaped into something new. What will be the ultimate form as Pluto and Uranus continue their upheaval and transformative energies as this energy unfolds over the next 9 months to next two years.

Sep 24 – Mars at 1 Scorpio squares Pluto in Aquarius – the challenge of integrating raw passion with transformative visionary purpose. Channeling deep instinctual energy into service for collective transformation or using power destructively and intensely. Deep unconscious energies stimulates strong responses.

Oct 1 – Mercury at 22 Libra squares Jupiter in Cancer – philosophical discussions, protective and diplomatic communications.

The Twelve signs for September 2025: Sun and Rising Signs

Aries (Mar 20-Apr 19): Dear Aries, as the Sun moves through Virgo season, you are called to slow down and attend to the details of life. Earthy Virgo makes it an auspicious time to care for yourself, body, mind, and emotions. Your ruling planet, Mars, is now in Libra, adding a thoughtful approach to relationships. Others may need your support, or you may ask for support from others. The Full Moon Lunar Eclipse on the 7th, in sensitive Pisces, invites retreat, meditation, and spiritual replenishment. On the 21st, the Solar Eclipse in Virgo highlights health, work, and daily rhythm, an ideal moment to set intentions around balance and healing. The Fall Equinox on the 22nd brings focus to partnerships, calling you to collaboration. Mars enters Scorpio shortly after, pulling you into deeper emotional territory and sharpening intuition. By the 24th, as Mars squares Pluto, old power struggles may resurface. Approached with honesty and courage, you can turn a challenge into transformation.

Taurus (Apr 20-May 20): Dear Taurus, Virgo season brings vitality to your creative life. You are invited to express yourself more fully, through art, love, or joy. Your ruling planet, Venus, begins the month in Leo, highlighting home and family matters, then enters Virgo on the 23rd, turning attention to practical routines, work, and health. The Lunar Eclipse on the 7th in Pisces illuminates friendships and community, old patterns of belonging may dissolve to make space for new connections. The Solar Eclipse on the 21st lights up your house of love, children, and creative projects, sparking fresh beginnings there. The Equinox on the 22nd draws attention to daily life, encouraging balance between work and well-being. As Mars enters Scorpio, your opposite sign, relationships intensify, offering both passion and the chance to address long-held dynamics. On the 24th, Mars squares Pluto: power struggles or deep truths could surface, especially in partnerships. Stay curious, choose growth over resistance.

Gemini (May 21-Jun 20): Dear Gemini, Virgo season highlights home and family life. You may feel drawn to reorganize your living space or strengthen emotional foundations. Your ruling planet, Mercury, is in Virgo from the 2nd, sharpening clarity and practicality, then moves into Libra on the 18th, where expression and conversations become more creative, cooperative, and equanimity is enhanced. The Lunar Eclipse on the 7th in Pisces shines a spotlight on your career and public life, asking you to release outdated roles or expectations. The Solar Eclipse on the 21st turns energy inward, awakening new intentions for home, family, and emotional security. The Equinox on the 22nd, as the Sun enters Libra, lifts your spirit into creativity, romance, and joyful expression. As Mars enters Scorpio, focus sharpens on health and daily habits. The 24th may stir intensity in work or relationships as Mars squares Pluto. Stay curious with what arises.

Cancer (Jun 21–Jul 21): Dear Cancer, Virgo season brings attention to communication, writing, and learning. The pace of life quickens with exchanges and connections. Your ruling planet, the Moon, is at the heart of this month: the Lunar Eclipse on the 7th in Pisces highlights your beliefs and worldview, asking you to release any rigid perspectives in favor of deeper wisdom. The Solar Eclipse on the 21st plants seeds around communication and new skills, offering a fresh start in daily exchanges or a surprise meeting. The Equinox on the 22nd turns focus to home and family, reminding you to nurture your roots. Mars enters Scorpio on the 21st and activates creativity, love, and self-expression, deepening passions. On the 24th, when Mars squares Pluto, old tensions in partnerships may arise. See how you can approach these moments with empathy rather than defensiveness, and new pathways can emerge.

 

Leo (Jul 22 – Aug 22): Dear Leo, with the Sun, your ruling planet, traveling through Virgo, attention turns to resources, finances, and values. You’re encouraged to simplify, stabilize, and find groundedness in your material world. The Lunar Eclipse on the 7th in Pisces awakens deeper emotional patterns around intimacy, trust, and shared resources. Something may need to be released to free you from old entanglements. The Solar Eclipse on the 21st opens a new cycle around money, self-worth, and personal resources. On the 22nd, as the Sun enters Libra, the Equinox brings your focus to communication and learning. Venus, your ally in love and beauty, enters Virgo on the 23rd, supporting practical approaches to your values and relationships. As Mars moves into Scorpio, home and family dynamics intensify, offering both healing and transformation. By the 24th, as Mars squares Pluto, challenges may arise around balancing your daily rhythm with deeper emotional needs. Seek solutions that empower, rather than drain your energy.

Virgo (Aug 23-Sep 22): Dear Virgo, this is your season! The Sun lights up your sign, asking you to honor your individuality and set intentions for the year ahead. Your ruling planet, Mercury, sharpens your thinking in Virgo until the 18th, then shifts into Libra, where conversations turn toward balance and cooperation, perhaps bringing discussion around finances and what you most value. The Lunar Eclipse on the 7th falls in Pisces, your opposite sign, stirring relationships and calling for release of any old dynamics that are no longer supportive. The Solar Eclipse on the 21st in your sign is especially powerful: a reset point to envision your path forward, plant seeds of renewal, and align with your purpose. The Equinox on the 22nd, in Libra, turns focus toward your values and resources. Mars entering Scorpio sharpens your communications, giving your words power. On the 24th, Mars squares Pluto, be mindful of sharp exchanges in creative or romantic matters. The potential is there for transformation rather than conflict.

Libra (Sep 23-Oct 22): Dear Libra, Virgo season turns your attention inward. This is a time for rest, reflection, and clearing space. Your ruling planet, Venus, begins in Leo, brightening friendships and community ties, then enters Virgo on the 23rd, where it supports healing and self-care. The Lunar Eclipse on the 7th in Pisces lights up health and daily routines, urging you to let go of habits that no longer serve. The Solar Eclipse on the 21st plants seeds for spiritual renewal, rest, and inner clarity, the day before the Sun enters Libra. The Equinox on the 22nd begins your Libra season; a new chapter of expression and self-definition. Mars entering Scorpio energizes finances and self-worth, stirring both ambition and a need for deeper alignment. On the 24th, Mars squares Pluto, family or emotional matters may test your equilibrium. Seek balance, as transformation is possible here.

Scorpio (Oct 23-Nov 21): Dear Scorpio, Virgo season draws you toward community, friendships, and collective visions. With Mars, your ruling planet, spending the first part of the month in Libra, you may feel reflective, preparing for a new surge of energy when Mars enters your sign on the 21st. The Lunar Eclipse on the 7th in Pisces illuminates your creative and romantic life, asking you to release outdated attachments to allow for more authentic expression. The Solar Eclipse on the 21st sparks new beginnings in friendships and collective goals, and may bring surprises or new insights in that area of your life. The Equinox on the 22nd guides you inward, to rest and restore before your birthday season. On the 24th, as Mars in Scorpio squares Pluto, conversations and exchanges may grow intense. Stay curious that day to what is arising to turn conflict into a breakthrough.

Sagittarius (Nov 22-Dec 20): Dear Sagittarius, Virgo season lights up your career,  public life and what you are aspiring towards. This is a moment to refine your direction, take on responsibilities, and share your gifts. Your ruling planet, Jupiter, now in Cancer, continues to expand your horizons, helping you see a bigger picture, while also allowing you to go deeper, exploring and growing through relations with others. The Lunar Eclipse on the 7th in Pisces draws attention to home and family, asking you to release old emotional patterns that no longer support your growth. The Solar Eclipse, in Virgo, on the 21st opens a new cycle in career and your public expression, perhaps bringing new ideas or inspiration that affect your direction. The Equinox on the 22nd shifts focus toward friendships and community, as the Sun enters Libra. With Mars entering Scorpio, on the 22nd, you may feel the need for deeper inner work, retreat, and reflection. On the 24th, Mars squares Pluto. This is a sensitive time when an old issue may arise for new resolution. Take your time to reflect on your thoughts and feelings.

Capricorn (Dec 21- Jan 19): Dear Capricorn, the Virgo season calls you to broaden your horizons, through travel, study, or spiritual, philosophical exploration. Saturn, your ruling planet, has retrograded back into Pisces from fiery Aries. In Pisces, Saturn focuses in on the what needs review and completion. What feelings or dreams calling for your attention? The Lunar Eclipse on the 7th in Pisces stirs communication, potentially dissolving outdated ways of thinking or speaking. The Solar Eclipse on the 21st highlights your this month’s focus, bringing a fresh start in engaging with your philosophy, and both teaching and learning. You might experience a surprising shift in the way you view things. The Equinox on the 22nd, as the Sun enters Libra, highlights career and public visibility. What would you like to initiate? Mars entering Scorpio intensifies friendships and collective work, empowering you to engage more deeply with others. On the 24th, Mars squares Pluto, an issue with a friend may arise that calls for a deeper conversation or a release.

.Aquarius (Jan 20-Feb 17): Dear Aquarius, Virgo season turns your focus to shared resources, intimacy, and deeper emotional bonds, bringing light to what needs to be seen. Saturn, your traditional ruler, steadies you, while Uranus, your modern ruler, keeps shaking old foundations in your daily life. The Lunar Eclipse on the 7th in Pisces highlights your personal finances and values—something may shift, clarifying what you truly need. The Solar Eclipse on the 21st in the area of your chart that represents shared resources, collaboration, insight, and intimacy may bring sudden insight to relationship or clarify relationship dynamics. The Equinox on the 22nd, as the Sun enters the sign Libra, brings inspiration to you through study, travel, or spiritual insight. Mars entering Scorpio can intensify career and public life, fueling your drive. On the 24th, Mars squares Pluto, behind-the-scenes dynamics may surface, calling for honesty, courage, and clarity in communication in your professional path.

Pisces (Feb 18-Mar 19): Dear Pisces, Virgo season places emphasis for you on relationships and partnerships. It emphasizes using discernment in your relationship dynamics with your natural Piscean empathy. With Jupiter, your ruling planet, moving through water sign Cancer, your sensitivity and vision are heightened. Communications, writing, and story telling now become more predominate. A wonderful time to study and learn, to creatively express yourself. The Lunar Eclipse on the 7th is especially powerful for you, as it falls in Pisces, bringing attention to your identity and sense of self. It is a time for personal renewal, and an opportunity to release what no longer represents who you are becoming. The Solar Eclipse on the 21st brings fresh beginnings in partnerships and collaborations. New insights arise through relationship or suddenly a new opportunity presents itself. The Equinox on the 22nd, with the Sun now in Libra, draws attention to your shared finances and resources and the quality of intimacy with others in your life. Mars entering Scorpio deepens your quest for meaning, study, or travel, inspiring transformation. On the 24th, Mars squares Pluto. Be mindful of intensity with friends or groups. Clarity and discernment bring success.

Susan Heinz is a professional astrologer in Santa Cruz for 42 years, bringing together traditional & esoteric astrology, Tarot and Qabalah. For info on her Friday monthly astrology groups, her Qabalah, astrology and/or painting classes, and for personal readings, call (831) 479-3751, or go to www.susanheinz.com