New Moon September 2025 Astrology

The new moon in September 2025 is directly opposite Saturn and Neptune. So, the spiritual meaning of the new moon September 2025 astrology is trying to be practical, realistic and hopeful during a time of frustration, impatience, desperation and uncertainty.

The restriction of knowledge by authorities will increase tensions. With Mars acting as a release valve, this can manifest as violence, protests, and war, or, with self-control, non-violent direct action to achieve social change.

The new moon on September 21, 2025, is at 29°05′ Virgo. All the planets except Jupiter are directly aspecting this new moon in one crazy aspect pattern. It is the most complex web of aspects I have seen in a moon phase, so I have decided to go back to basics with only the traditional planets.

The New Moon September 2025 astrology chart below shows that the opposition to Saturn is the primary influence, with a minor aspect to Mars. The opposition is the most challenging aspect, and Saturn is the most difficult of the planets, followed by Mars. Therefore, this is a highly negative new moon and solar eclipse.

New Moon September 2025 Astrology

New Moon September 2025 Meaning

Sun conjunct Moon is the strongest aspect in astrology. It occurs every 28 days as a new moon when the Moon passes between Earth and the Sun. The September 2025 new moon is a partial solar eclipse, where the Moon only partially obscures the Sun. It is not as strong as a total solar eclipse but is still more potent than a regular new moon.

A solar eclipse represents a cycle of renewal, offering a refreshing burst of energy and initiative. However, it also brings emotional balance, neither overly emotional nor too cold and calculating. It means all possibilities are on the table, and you can rightly put yourself at the forefront of new plans for the future.

While a new moon lasts four weeks, the effects of a solar eclipse last nearly six months up to the next solar eclipse. It is excellent for making a fresh start, turning over a new leaf, or starting a new project. You can also question old habits, behaviors, and beliefs as you seek new and innovative ways to move forward.

New Moon Aspects

New Moon opposite Saturn represents restriction, repression, delays, barriers, blockages, inhibition, rigidity and coldness. It makes it harder to express yourself and achieve goals. Additional burdens and responsibilities can be challenging to manage. Your need for companionship may conflict with other people’s need for space and distance.

You and those around you may become impatient, stubborn, demanding, and critical. Elders, men, governments and others in authority may attempt to impose stricter controls, laws, regulations, and punishments. Such limiting conditions can cause inner tension, stress, worry, pessimism, fear, sadness, guilt, resentment, poor self-esteem, loss, disgrace and grief.

Fortunately, this aspect also provides inner strength, motivation, determination, endurance, and self-assertion. However, patience and persistence are essential for coping with hardship, overcoming resistance, reducing inhibitions and fears, breaking through deadlocks, and resolving conflicts. Achievement, wisdom, respect, and recognition are then possible.

Mars quincunx Saturn gives a sense of urgency about fulfilling obligations and achieving goals. If you have been hardworking and responsible, you will find the motivation to attend to remaining responsibilities or start working towards a new long-term goal.

However, too many obligations or debts can cause insecurity, anxiety, and pessimism. To avoid a crisis of indecision, it is essential to focus on the most critical task, as this helps you make informed decisions and take more decisive action.

If you have wasted time or been irresponsible or lazy, you may experience restrictions, delays, hardship or loss. You may be subject to action from authorities. Irritation, frustration, resentment, and anger are possible. However, patience and self-control are essential to avoid self-destructive outbursts of temper, as well as accidents, cuts, or burns.

Acts of abuse or violence now will have serious consequences. In fact, previous abuse, violence, bullying, crime, corruption, bribery or usury may now catch up with you. The karmic implications of hurting and humiliating the vulnerable or weak could be failure, disgrace, isolation, loneliness, loss, poverty, illness or punishment.

New Moon semisextile Mars adds confidence, strength, and courage. It helps you be more direct, assertive, and competitive, allowing you to take the initiative and start new projects or complete tasks that have been put off due to their complexity. Enhanced charisma, libido, and physical attractiveness make relationships more harmonious.

Irritation

An Irritation Triangle is formed by the new moon, Mars and Saturn. The Saturn opposition creates restriction, blockages, frustration and impatience. Mars provides an outlet to relieve the tension and stress through assertive action. However, the green aspects keep the energy constantly cycling and recharging. Constant movement and activity are needed, resulting in periods of hectic overexertion and a rigid attitude.

A lack of harmonious blue aspects means no opportunity for resolution and relaxation. This can create a permanent state of tension and a feeling of being “on the go” that overtaxes the nerves. This increases the risk of crises, nervous breakdowns and sudden outbursts of anger.

The Irritation Triangle provides flexibility and adaptation, enabling you to be evasive and compensate for the damage caused or hurt feelings quickly. Proactively using Mars provides the awareness to continually look for new possibilities, learn more, achieve goals, and reach objectives.

Way More Aspects

Solar Eclipse September 2025 Astrology

Evolutionary Change

Uranus trine Pluto brings hyper-evolutionary change affecting society, politics, and the economy. The AI Boom is the most apparent manifestation so far. We are currently living through a rapid evolutionary leap. This change is profoundly dramatic and life-changing. In response to external changes, we are undergoing an inner transformation that offers a deeper understanding of ourselves and a broader perspective on life.

Neptune at the midpoint or Uranus trine Pluto forms the Magic Triangle from 2025 to 2028. Therefore, the evolutionary changes, discoveries, revelations, and breakthroughs will impact religion and spirituality, medicine, nursing, social welfare, entertainment, and the oil and gas industry. The dramatic changes have a positive effect on our ideals, sensitivity, compassion, empathy and dreams.

Optimism or Pessimism

Saturn conjunct Neptune can manifest the most ideal and optimistic form of evolutionary change. However, both planets are in retrograde motion and conjunct the fixed star Scheat. This star gives a changeable, unpredictable, stubborn, headstrong, combative, and controversial nature. It is associated with extreme misfortune, murder, suicide, and drowning.

The September 2025 New Moon opposite Saturn-Neptune turns optimism into pessimism. The radical Uranus-Pluto change manifesting through Neptune will cause fear, confusion, uncertainty, deception, disappointment, paranoia, weakness, self-doubt, guilt, sacrifice, suffering, delusion, intrigue, scandal, escapism, fantasy, poison, infection, disease, hypochondria and addiction.

New Moon in The Ship

New Moon September 2025 Spiritual Meaning

New Moon September 2025 Stars

The September 2025 New Moon at 29♍05 aligns with fixed star Markeb at 29♍13. This Jupiter-natured star in the Sails of the Ship gives piety, steadfastness, vast knowledge, educational work, extensive and profitable travels, unexpected criticism, and a spiritual quest involving a life of devoted service to others.

With Solar Eclipse (0°08′): Success in writing, business, religion, research and the military. Can develop a storehouse of knowledge.

Constellation Argo the Ship gives prosperity in trade and voyages, and strength of mind and spirit, but danger of drowning. It is correlated with events concerning the sea and shipping, as well as rivers and springs.

New Moon September 2025 Spiritual Meaning

The September 2025 new moon astrology is exceptionally challenging. The opposition to Saturn-Neptune points to more extreme polarization, fear, hatred, scapegoats, victimization, marginalization, corruption, bribery, religious guilt, and an increasing gap between the rich and the poor, the powerful and the dispossessed.

Fixed star Markeb, in conjunction with the solar eclipse, opposite Saturn-Neptune, suggests the restriction and distortion of knowledge, such as censorship, lies, secrets, propaganda, and false flag operations.

Mars is the release valve for the buildup of tension, frustration, distrust, impatience and resentment in the Saturn-Neptune opposition. This means anger, violence, protests, riots, attacks and war.

However, you can stand up for the underdog, or fight against injustice, inequality, racism, poverty and war through non-violent direct action to achieve social change.

Moon Phases

The influence of the September 21 solar eclipse combines with that of the September 7 lunar eclipse and remains effective until the solar eclipse on February 17, 2026. The September 7 lunar eclipse brought on feelings of selfishness, moodiness, and oversensitivity. Together with impulsiveness and a lack of moderation, it increases the risk that relationship tension and financial pressure will escalate into a crisis.

If the New Moon September 2025 astrology directly impacts your horoscope, you can read about it in your September horoscope. For more details about how it affects your natal chart, see new moon transits.