September Equinox 2024 Uk Time. According to the astronomical autumn, the autumn equinox will signal the start of the season and begin on the 22nd of september 2024. The equinox and solstice dates below are for the northern hemisphere, in the southern.

They occur between the summer and winter. Find out the date when september equinox is in 2024 and count down the days until september equinox with a countdown timer.