First Day Of Fall 2024 Date And Time Usa. This year the autumn will start on sunday september 22, 2024 (day of the fall equinox) and will end on saturday december 21, 2024 with the winter solstice. The official first day of fall, otherwise known as the autumnal equinox, is this weekend in the northern hemisphere.

But again, this is only for the northern hemisphere, since the southern hemisphere experiences the reverse,. Here’s everything you should know about the fall equinox—plus our favorite fall facts, folklore, photos, and more!