When Will The Fall Equinox Happen 2024. Below are the dates for the first day of fall in 2025 and beyond: This year, the autumn equinox will begin on sunday, september 22, 2024, at 12:44 utc (7:44 a.m.
When do the four seasons start in 2024—for spring, summer, fall, and winter? The september equinox marks the beginning of fall in the northern hemisphere and the first day of spring in the southern hemisphere.