Fall Equinox Explained: Five Things To Know | Weather.com

Fall Equinox Explained: Five Things To Know | Weather.com

December 4, 2025

Updated: December 4, 2025, 11:16 am ESTPublished: December 4, 2025, 11:16 am EST

The official kickoff time for fall begins with the autumnal equinox, which occurs this year on Monday, September 22, 2025, at 2:19 p.m. EDT in the Northern Hemisphere. Here’s what you need to know.

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