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Western Astrology · Sun Sign

September Zodiac Signs

September babies are either Virgo or Libra — depending on their birthdate.

Virgo

August 23 – September 22

earthmutableRuler: Mercury

Analytical, diligent, and service-oriented. Virgo notices what others miss, bringing order and precision to everything they touch.

Libra

September 23 – October 22

aircardinalRuler: Venus

Diplomatic, charming, and fairness-driven. Libra seeks balance and harmony in relationships, always weighing every side before deciding.

September Zodiac Dates at a Glance

Date RangeZodiac Sign
September 1 – September 22Virgo
September 23 – September 30Libra

Born on the Cusp?

The zodiac sign transition in September happens around September 23, when the Sun moves from Virgo into Libra.

If you were born within a day or two of this date, you are considered “born on the cusp.” The exact moment the Sun changes signs varies slightly each year, so your true Sun sign depends on your birth year and time — not just the date.

Cusp-born individuals often feel they relate to traits of both signs. While astrologically you have only one Sun sign, the influence of the adjacent sign can colour your personality, especially if other planets in your chart fall in that neighbouring sign.

To determine your exact Sun sign if you were born near the cusp, use a precise birth chart calculator that factors in the year and time of birth.

Find Your Exact Zodiac Sign

Not sure which sign you are? Our Rashi Finder calculates your precise Sun sign and Vedic Moon sign based on your exact date, time, and place of birth.

Find My Sign

Frequently Asked Questions

What zodiac sign is September?
September has two zodiac signs: Virgo (August 23 – September 22) and Libra (September 23 – October 22). Your Sun sign depends on your exact date of birth within the month.
What if I'm born on the cusp?
If you were born on the boundary date between two signs (the "cusp"), your Sun sign depends on the exact year and time of your birth. The Sun transitions signs at a specific moment each year, which can vary by a day. To find your exact sign, use a birth chart calculator that accounts for the year and time of birth.
What's the difference between sun sign and moon sign?
Your Sun sign (what most people call their "zodiac sign") is based on the Sun's position at birth and represents your core identity and ego. Your Moon sign is based on the Moon's position and governs emotions, instincts, and your inner self. Western astrology emphasises the Sun sign, while Vedic astrology (Jyotish) primarily uses the Moon sign (Rashi). For a complete picture, both are important.