1st Day Of Autumn 2024 Uk Date. Normally, the autumn equinox falls between 22 and 24 september, and this year the equinox occurs on 22 september at 13:44 bst. Autumn 2024 starts on sunday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the.

An illustration of earth during an equinox. Ct december 21 in 2024, according to.