Fall often doesn’t kick in until late September or early October. Daytime highs can stay summer-like well into September, but crisp nights and the first real leaf color show up around the first week ...
Fall equinox 2025 arrives on Monday, September 22. Find out why the first day of autumn still features a little more daylight ...
Live Science on MSN
When is the fall equinox, and why does it happen?
On Monday, Sept. 22, day and night will be nearly equal in length as Earth's axis is side-on to the sun, officially beginning autumn in the Northern Hemisphere.
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Why does Fall fall on today?
It is the first day of Astronomical Fall or the Autumnal Equinox. It is the moment the sun aligns with Earth's equator. Equinox, by definition, means equal night, but we don't technically have exactly ...
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