When Does Autumn End -

Because autumn isn’t truly over until you’re ready to let it go.

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. when does autumn end

This is the most flexible—and honest—answer. For many people, autumn ends when: Because autumn isn’t truly over until you’re ready

Meteorologists—the scientists who forecast your daily weather—find the astronomical calendar too messy. Solstice dates can shift by a day or two, making seasonal climate records tricky. So they invented a simpler system based on temperature cycles and the calendar months. This is the most flexible—and honest—answer

: Defined by the Earth’s orbit, this season ends the day before the winter solstice . In 2026, astronomical autumn ends on December 20, 2026 .

The moment the solstice arrives, winter begins—astronomically speaking.