First Day Of Autumn 2024 Usa Dates. 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. When is the first day of fall?

The autumnal equinox, or the first day of fall in the northern hemisphere takes place every year on september 22nd or september 23rd. 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.