First Day Of Autumn 2024 Australia Dates. The first day of autumn, known for the equinox, has roots that stretch back through history and across cultures. Here you find the dates of autumn holidays for the year (2024).
These dates may be modified as official changes are announced, so please. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.
