If you are looking for the precise end of the season this year, here are the key dates for the Northern Hemisphere: August 31, 2026 Astronomical End: September 22, 2026 Cultural End (USA): September 7, 2026 (Labor Day) The Three Ways to Define the End of Summer
General Reference
If you have ever found yourself arguing with a friend about whether September is a summer month or a fall month, you aren't alone. The answer to "what month does summer end" changes depending on whether you ask a meteorologist or an astronomer. what month does summer end
The month summer ends depends on where you live and which definition you follow—astronomical, meteorological, or cultural. For most people in the Northern Hemisphere, , while in the Southern Hemisphere, it ends in February or March . Summer End Dates for 2026 If you are looking for the precise end
Summer ends at the March equinox, usually around March 20 or 21 . 2. Meteorological Definition (Based on Temperature) For most people in the Northern Hemisphere, ,