When Does Autumn Begin 2024 Nz. From this point on, daylight in the northern hemisphere will gradually grow shorter until the winter solstice, which occurs on dec. The autumn or fall equinox signals the end of summer on the astronomical calendar.

When is autumn in new zealand? 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 earth’s axis.