Today Is the First Day of Fall, but the Autumnal Equinox Happens Late
The equinox arrives at 8:05 p.m. EDT, and forecasters say a coastal storm could bring rain, wind and rough surf to the East Coast.
- On Tuesday, Sept. 22, 2026, the autumn equinox marks the official astronomical beginning of fall across the Northern Hemisphere at 8:05 p.m. EDT.
- Derived from Latin words meaning "equal night," the event occurs as Royal Museums Greenwich noted, "the Sun passes the celestial equator," resulting in nearly equal day and night.
- Cooler air has settled across parts of the Northeast, with the first hints of fall color appearing, as shorter days trigger the annual transformation of leaves into red, orange and yellow.
- The National Weather Service and AccuWeather meteorologists are tracking a developing coastal storm capable of producing heavy rain and strong winds to portions of the East Coast later this week.
- Future seasonal milestones include the winter solstice on Dec. 21, 2026, marking the shortest day of the year, and daylight saving time ending on Nov. 1.
46 Articles
46 Articles
The Billings Gazette
Autumnal equinox marks start of fall, but heat could stick around
What weather will the U.S. see this fall, given the record hot August and a forecast that calls for El Niño to peak either in late fall or early winter?
Around this date, the day and night last around 12 hours; autumn equinox will occur at 6:06 p.m. in Mexico
Tuesday marks last day of summer as autumnal equinox approaches
JEDDAH — Tuesday, Sept. 22, marks the final day of summer in the Northern Hemisphere ahead of the arrival of the autumnal equinox on Wednesday, Sept. 23 at 3:05 a.m. Makkah time, when the sun appears to cross the celestial equator, moving from north to south. Majed Abu Zahra, president of the Jeddah Astronomy Society, said that the astronomical onset of autumn does not immediately bring a noticeable drop in temperatures. The lingering effects of…
The Toronto Star
Day and night get equal billing on Tuesday. A guide to the fall equinox
The fall equinox is Tuesday, when light and darkness split the day evenly. It marks the beginning of fall for the Northern Hemisphere and the beginning of spring in the Southern Hemisphere.
Day and night get equal billing on Tuesday. A guide to the fall equinox – WTOP News
The fall equinox is Tuesday, when light and darkness split the day evenly. It marks the beginning of fall for the Northern Hemisphere and the beginning of spring in the Southern Hemisphere. On the equator, the sun will be directly overhead at noon. Equinoxes are the only times when both the north and south poles...
Fall Begins Tonight — Here's The Exact Time Of The September Equinox
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