Fall has officially arrived. Here's what to know about the autumnal equinox
Fall officially begins on the autumnal equinox, which occurs on September 22, 2026. The equinox marks the first day of autumn and the official start of the fall season. While some parts of the country are still experiencing warm weather, the changing season is expected to bring cooler temperatures in the coming weeks.
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The story so far
3 developments- Sep 18Only lean-left coverage:Observing the autumnal equinox
- Sep 21Autumn officially starts with the fall equinox on Sept. 22, 2026
- Sep 22Fall Equinox 2026: What it means and when it happens
Who covered each development
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Quiet for 7 daysLast development · Sep 22 — Fall Equinox 2026: What it means and when it happens
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4 viewpointsFall has officially arrived. Here's what to know about the autumnal equinox
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7 viewpointsSept. 22 is the autumnal equinox: What to know as fall officially arrives
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1 viewpointThe fall equinox arrives today, and fall-like weather is right behind it
Other outlets
International, entertainment and tech outlets, by their rating. Not counted in the bar above. How we count coverage
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1 articleStarwatch: Autumnal equinox in northern hemisphere, spring in the south
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