When Is Fall 2024 Starting. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall. 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 do the four seasons start in 2024โfor spring, summer, fall, and winter? 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.