First Day Of Autumn 2025 Nz 2025. Autumn 2025 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. Clocks get put back from 3.00am to 2.00am so again remember the season and think (with a sigh) we're nearly.

The autumn equinox signifies the start of autumn. In autumn, we change our clocks back 1 hour to.