September 21 New Moon: Your Cosmic Clean-Out Is Here!

Last updated by Susan Taylor

The New Moon in Libra arrives on October 21st, bringing a powerful call for balance and harmony. It's time for a necessary reset in your connections to clear the way forward. Don't miss our complete guide to this cosmic energy! 🌑

September 21 New Moon: Your Cosmic Clean-Out Is Here!

What Is a New Moon in Astrology?

From an astronomical perspective, the New Moon corresponds to the lunar phase during which the moon is positioned between Earth and the Sun. It's very difficult to observe because it's too close to the Sun. Its visible face not being illuminated by the Sun during the day, it becomes invisible at nightfall.

On September 21st, our two luminaries come together in the meticulous sign of Virgo. Virgo's energy intensifies, pushing us to finalize, clarify, and organize before moving into Libra. It's urgent, it's now or never!

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When Libra Takes Off Its Boxing Gloves

This New Moon forms at 28°22 of Libra, that sign so charming, so conciliatory, so... indecisive sometimes (sorry my dear Libra natives, but you know it well!). Normally, a lunation in Libra invites us to sweetness, compromises, cuddles, and civilized debates over bergamot tea. But here? Not quite. â˜•ïžđŸ’„

This New Moon didn't come to play background. It forms a tense square with Jupiter in Cancer AND Pluto in Aquarius. Let's just say the vibe feels like a family dinner where someone finally dares to bring up THE touchy subject that's been avoided for years. 

This configuration offers you a precious gift: the possibility to:

  • ✹ Say NO without guilt
  • ✹ Set your boundaries with clarity
  • ✹ Resolve conflicts that have been dragging on
  • ✹ Negotiate fairer agreements
  • ✹ Make decisions in ambiguous situations

But watch out! Jupiter in Cancer can push you toward excessive emotionality, while Pluto in Aquarius might make you tip into "total revolution" mode. The secret? Libra, precisely: neither too soft, nor too hard. Firm but courteous. Clear but respectful.

🌑 A Rare Opportunity

This New Moon in Libra on October 21st, 2025 isn't a restful lunation, but it offers you a rare opportunity to rebalance your relationships on healthier and more authentic foundations. The tensions you'll feel aren't there to punish you, but to signal where balance is broken and where adjustments are necessary.

The justice you seek in your relationships starts with the justice you grant yourself: the right to say no, the right to set your boundaries, the right to demand respect.

So yes, the conversations might be uncomfortable. Yes, you'll need to step out of your diplomatic comfort zone. But true balance is never found in avoidance – it's built through clarity, kind firmness, and the courage of authentic dialogue. Use this powerful energy to build more balanced, more real, more lasting relationships.

  👉 What is a Lunar Node? What influence does it have in astrology?

If you know your birth chart (sky map), try to see in which astrological House the New Moon in Virgo is located (the symbols ☉☜) to get more details about the area concerned. (Example: the New Moon falls in your natal 6th astrological House: your daily routine, your health, and your work are directly impacted by these planetary aspects.)

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🏠 Locate This New Moon in YOUR Chart

For a personalized analysis, look at which House in your birth chart this New Moon at 28° Libra falls into:

  • House 1: Image change, personal assertion, new identity start
  • House 2: Financial negotiations, income, material resource management
  • House 3: Communication with siblings/neighbors, contracts, short trips
  • House 4: Family, home, real estate, roots, parents
  • House 5: Love relationships, creativity, children, leisure
  • House 6: Daily work, health, colleagues, organization
  • House 7: Couple, formal partnerships, contracts, associations
  • House 8: Shared finances, inheritance, sexuality, deep transformation
  • House 9: Studies, travel, spirituality, legal matters
  • House 10: Career, reputation, social status, authority
  • House 11: Collective projects, friends, networks, long-term goals
  • House 12: Inner life, hidden trials, liberation, spirituality

New moon

This New Moon represents a precious opportunity to plant seeds of organization and efficiency that will bear fruit in the coming weeks. It reminds us that success often lies in meticulous preparation and attention to detail, while keeping the ability to adapt to the unexpected.


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❀ What About Love? Important Conversations

This New Moon in Libra announces important clarification conversations in your love relationships. It's time to rebalance your relationship by frankly addressing what's not working: sharing responsibilities, unmet needs, disrespected boundaries.

With Mercury-Mars in Scorpio, your words will have a deep and lasting impact - choose them well because they'll mark a before/after in your relationship. Strong couples will use this energy to renegotiate the terms of their union and start fresh on more authentic foundations.

Fragile couples will need to make important decisions: continue by truly changing the rules of the game, or separate with dignity. For singles, it's a wake-up call about the type of relationship you really want - no more compromises that betray you! 🎯

👋 Is it coming soon? When will I find love?

abundance check

During this new moon, ask the Universe and you'll be heard, it's the perfect time to fill out your abundance check. To help you make your request, we're offering you our abundance check template for free.

My Tips to Live This New Moon Well

This period requires a structured approach (Virgo loves that!). Here's how to maximize these energies:

  • 1. Prepare THE conversation you've been avoiding 📝.  Between October 19th and 23rd, finally tackle that delicate subject you've been postponing. First write down what's no longer working and what you really want. With Mercury-Mars in Scorpio, your words will leave a mark - choose them well. Firm but courteous, that's winning! 
  • 2. Set a firm boundary (finally!) - Identify where you feel invaded or unbalanced. Then act: refuse that unreasonable request, announce your new conditions. This New Moon gives you the courage to say NO. 
  • 3. Find a creative compromise -  Faced with a blocked situation, get out of the "either/or" mindset. Brainstorm with someone outside the situation to find a third innovative path. Harmonious aspects favor win-win solutions that nobody had imagined. Dare to think differently! 
  • 4. Identify which house in your birth chart this New Moon falls into to target your actions on that life area. 
📝 Don't forget: it's time to plant good actions, start a project, take action. That way, you'll harvest the most during the following Full Moon. Warning: 24 hours after the New Moon, it's also the perfect time to fill out an abundance check.

đŸȘ„ The New Moon is a period charged with energy, here's what you can do to get the most out of it: New Moon wishes - 3 rituals to practice during the new moon

During a New Moon, the Sun and Moon are side by side, at the same degree of the Zodiac, so it's a Sun/Moon Conjunction. Here, it happens in Libra.

New Moon Horoscope for October 21st Sign by Sign

Everyone is affected by New Moons but the most impacted signs here are Libra, Aries, Capricorn, Cancer, Sagittarius, Leo, Gemini, Aquarius.

NB: You'll also be more sensitive to this New Moon if your ascendant or natal Moon is in one of these signs.  What's your ascendant? Calculate it for free.

Aries
This New Moon illuminates your intimate connections: love, couples, partnerships, and agreements. Watch out for the disguises some people wear, pay close attention to who surrounds you and review the terms of your exchanges if necessary.
Taurus
In everyday life as at work, don't hesitate to ask for explanations when certain situations remain ambiguous. Remember that peace is built step by step.
Gemini
Tensions may arise in a project or in your love life and they're there to help you make truer and more coherent choices. Dare to discuss with different people to mix perspectives and come up with something more original.
Cancer
This New Moon draws your attention to your inner circle, your loved ones, your family. Tensions may appear within the home, the family clan. The past may resurface but with the goal of healing an old wound, repairing...
Leo
Whether it's your professional activity or your daily life, you love taking charge. It's time to find the right balance between asserting your viewpoint and staying open to others' opinions, in order to start fresh on new exchange foundations.
Virgo
This lunation invites you to reevaluate how you manage your resources, both material and emotional. It's time to dive into your accounts, find a new balance between your expenses and your income, between what you give and what you receive...
Libra
The New Moon in your sign calls you to be aligned, true, authentic, at peace with yourself. It's an opportunity to reposition yourself differently to take a new relational start.
Scorpio
Your intuitions are powerful. Listen to the signs around you and free yourself from what's holding you back. It's time to express your disagreement on a delicate subject and clear your mind. Forget past hurts and move forward!
Sagittarius
You have the opportunity to review certain collective projects. A gap may appear between your desires and the group's echo. New alliances can emerge, as long as you clearly state your goals.
Capricorn
The New Moon concerns your ambitions, your career, your job, or your social life. Beware of power struggles and instead favor dialogue to find agreements.  
Aquarius
You need new perspectives. Don't hesitate to venture into the unknown. An immersion in training or a trip can facilitate a career change and open unprecedented paths in your life.
Pisces
Your inner voice is advising you more than ever, listen to it. You might be tempted to cut ties with a toxic person or put them in their place so you're no longer invaded or walked over.  


New Moon FAQ

The answer to all your questions

New moon = new beginning

The New Moon marks a new beginning, it's the time to start new things or launch new projects. At the New Moon, plant your seeds, if you have a baby project know that the New Moon is the ideal time to get pregnant.

If you have a professional or romantic project, launch it during the New Moon. About two weeks later, the Full Moon will light up the sky and bring you success or not to your project. You're skeptical? Think about it and you'll see that all the successes you've had come from projects started at the New Moon.

What are the effects of the New Moon on the body?

The New Moon, just like the Full Moon, exerts a strong attraction on elements and therefore on the human body. Researchers have actually noticed that sleep disorders are exacerbated during the Full Moon and New Moon. Some people are more sensitive than others to lunar phases, if you have bad nights during Full Moon and New Moon phases, you might be moon-sensitive. Attention future moms! Although it's not scientifically proven, births are also supposedly more numerous during New Moons.

Wait a bit before cutting your hair đŸ’‡đŸżâ€â™€ïž

If you want your hair to grow back faster, cut your hair when the moon is in its waxing phase, meaning between the New Moon and the Full Moon. This also applies to body hair, so avoid waxing at this time for long-lasting hair removal... On this subject, our hair removal lunar calendar should help you.

A boost to lose some weight ⚖

The body deep-cleanses itself during the New Moon, to effortlessly lose your few unsightly pounds, start a 3-day diet during the New Moon. And it works!

Garden with the New Moon đŸȘŽ

Everyone knows that gardening with the moon has its effects. Yes, plants are more resistant when the Moon is in its ascending phase, it's the time to sow your seeds, plant, harvest, or make your grafts.

Give your relationship a fresh start

If your relationship was on the rocks, the New Moon is the ideal time to launch new projects and surprise your partner. In short, it's the time to offer a second wind or a new beginning to your relationship.

Susan's Insight: Get the Best Out of This New Moon...

The New Moon is a sacred turning point—a time when the seeds you plant today blossom into tomorrow's reality. Every intention you set now carries the promise of transformation.🌟. Your brightest future is waiting—let's discover it together.

Questions about love, career, or spirituality? 

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Article presented by
Susan Taylor

Editor in Chief and Astrologist for MyAstroMag - I’ve always been completely fascinated by the world of Astrology and horoscopes. Writing for you and forecasting my exclusive predictions are my main passions.

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