: Defined by the Earth’s orbit, this season ends the day before the winter solstice . In 2026, astronomical autumn ends on December 20, 2026 .
In the Northern Hemisphere, autumn officially ends on , depending on whether you use the astronomical or meteorological calendar. Standard Definitions of Autumn's End The end of the season varies based on how it is measured: when does autumn end
By this definition, (or more precisely, at midnight going into December 1). This matches what many of us feel: by December, the weather usually acts like winter, even if the solstice is still weeks away. : Defined by the Earth’s orbit, this season