2024 Fall Equinox Dates Uk. The autumn equinox officially marks the end of the summer in the northern hemisphere as planet earth welcomes the fall but when will this actually take place in. In 2024 the autumnal equinox will occur on 22 september at 12.44pm gmt (1.44pm bst).

The 2024 fall equinox—also called the autumn equinox—takes place on sunday, september 22, 2024. The astronomical calendar determines the seasons due to the 23.5 degrees of tilt of the earth’s rotational axis in.