Seasons
How many days until September Equinox
See how many days remain until the next September Equinox and track the live countdown.
Thursday, September 23, 2027 at 2:01 PM GMT+8Northern Hemisphere
3
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7
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1
8
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About September Equinox
The September Equinox brings day and night back into near balance and marks the start of astronomical fall in the Northern Hemisphere. Leaves begin changing color, temperatures ease down, and many places shift into harvest and back-to-school rhythm. In the Southern Hemisphere, this same moment marks the start of spring.
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When Is September Equinox 2027?
When is September Equinox?Is it September Equinox today?
Find out if it is September Equinox todayRelated Dates
Frequently Asked Questions about September Equinox
There are 318 days until September Equinox on Thursday, September 23, 2027.