Which Month Is Fall 2025. The first calendar week in 2025 begins on monday, the 30/12/2024 and ends on sunday, the 05/01/2025. The first wednesday falls on january 1st, and the last wednesday falls on december 31st, 2025.
The following table shows the dates together with the exact time in which each of the seasons of the year begin. The northern hemisphere will experience fall from monday, september 22, to sunday, december 21.