What Day Is The Autumn Equinox In 2024 Uk. After that, the northern hemisphere will get less direct light from. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.

What time is the 2024 fall equinox? According to the astronomical autumn, the autumn equinox will signal the start of the season and begin on the 22nd of september 2024.