When Is - Autumn Verified

While the arrival of autumn feels like a simple shift in the wind, the answer to "when is autumn" actually depends on whether you are talking to a meteorologist, an astronomer, or your local barista.

For the rest of us, it’s simply the cue to swap sandals for boots and enjoy the brief, crisp window before winter sets in. when is autumn

For most people, the official start of autumn is the . This is the moment when the sun crosses the celestial equator, making day and night nearly equal in length. Northern Hemisphere: Usually occurs on September 22 or 23 . Southern Hemisphere: Usually occurs on March 20 or 21 . While the arrival of autumn feels like a

Autumn officially begins in in the Northern Hemisphere and in March in the Southern Hemisphere. The exact start date depends on whether you follow the astronomical or meteorological calendar. This is the moment when the sun crosses

Because the Earth takes roughly 365.25 days to orbit the sun, the specific timing shifts slightly every year. From this point forward, the days continue to shorten and the nights lengthen until the winter solstice. 2. Meteorological Autumn (The Calendar approach)