Autumn 2024 Meaning Of. Here are a few practices that. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.

On that day, the autumnal equinox will occur, marking the beginning of fall. Autumn 2024 starts on sunday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the.