When Is The First Day Of Fall 2025 Usa

When Is The First Day Of Fall 2025 Usa. Autumn 2025 starts on sunday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the earth's axis. Autumnal equinox marks the end of summer and the beginning of fall.

When is the first day of fall in 2025? The autumn equinox is what officially marks the start of fall.