First Day Of Fall 2024 Date. Autumn 2024 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. When is the first day of fall?
According to encyclopedia britannica, it is one of only. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.