First Day Of Winter 2024 Calendar Pdf. The national weather service reported that the fall season officially starts on the autumnal equinox, which in 2024 occurs on sept. Its first day this year falls on sunday, september 22.

The national weather service reported that the fall season officially starts on the autumnal equinox, which in 2024 occurs on sept. The meteorological start of autumn always falls on september 1, whereas the calendar start can vary.