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September equinox

05days

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    Event photograph
    September equinox
    Photo: Image by Przemyslaw "Blueshade" Idzkiewicz · CC BY-SA 2.0 · via Wikimedia Commons

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    About this moment

    There are 6 days until September equinox, on Tuesday, 22 September 2026.

    Sun over the equator again. Harvest in the north.

    The September equinox is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24.

    Summary from Wikipedia (CC BY-SA 4.0)

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    Last verified Sep 14, 2026

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