First Day Of 2025 Fall. 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. The national weather service reported that the fall season officially starts on the autumnal equinox, which in 2025 occurs on sept.
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. But what does that actually mean?