is it the first day of fall

1 minute ago 1
Nature

Yes, today, Monday, September 22, 2025, is the first day of fall in the Northern Hemisphere. This day marks the autumnal equinox, the moment when day and night are approximately equal in length. The fall equinox in 2025 occurs at 2:19 p.m. EDT, officially signaling the start of the autumn season.