Coverage dated September 18, 2026 to September 22, 2026

Star Watch: Fall Equinox and Harvest Moon arrive this week

Headline from WJHL Johnson City, from the development of Sep 22, 2026

Newest development Sep 22, 2026 · 4 reportsAstronomical fall begins today -- here's what it actually means

Fall officially arrives this week, and the first weekend of the new season will bring one of the most recognizable full moons of the year. The autumnal equinox occurs Tuesday, Sept. 22 at 8:05 p.m. EDT, marking the official beginning of astronomical fall in the Northern Hemisphere.

WJHL Johnson City's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Developments in this update

3 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Astronomical fall begins Tuesday: What the autumnal equinox means for skywatchers

    Headline from WTOP Washington DC ·

  2. Names this update

    Star Watch: Fall Equinox and Harvest Moon arrive this week

    Headline from WJHL Johnson City ·

  3. Newest

    Astronomical fall begins today -- here's what it actually means

    Headline from WOWK Charleston ·

1 report not tied to one development ·

Reports & sources

19 articles, oldest first.

  1. The Dominion Post

    Observing the autumnal equinox (opens The Dominion Post)

    Published

    The Dominion Post's feed description

    Fall begins on the autumnal equinox. Although people may see it as the official kickoff to bonfires and flannels, that’s not the only interesting part of this remarkable day. — It’s a moment and not a day. Despite what many people think, the autumnal equinox is not an entire day.

  2. The Guardian

    Starwatch: Autumnal equinox in northern hemisphere, spring in the south (opens The Guardian)

    Published

    The Guardian's feed description

    Precise moment of equinox in UK is 1.05am on Wednesday – but day and night will not be equal until Friday The September or autumnal equinox takes place this week. It marks the astronomical beginning of autumn in the northern hemisphere and spring in the southern hemisphere.

  3. WTOP Washington DC

    Astronomical fall begins Tuesday: What the autumnal equinox means for skywatchers (opens WTOP Washington DC)

    Published

    WTOP Washington DC's feed description

    Astronomically speaking, fall arrives Sept. 22 at 8:05 p.m. Eastern. This is the date and time of the autumnal equinox, the precise moment when the sun is directly above the Earth’s equator. The Earth’s seasons, fall, winter, spring and summer, are caused by the planet’s orbit around the sun and the…

  4. Cleveland Plain Dealer

    Autumn officially starts with the fall equinox on Sept. 22, 2026 (opens Cleveland Plain Dealer)

    Published

    Cleveland Plain Dealer's feed description

    The fall equinox and the first day of autumn arrive on the same day in September

  5. BBC News

    Autumn equinox 2026: When is it and what happens? (opens BBC News)

    Published

    BBC News's feed description

    In the northern hemisphere, the September equinox marks the start of astronomical autumn.

  6. Astronomy Magazine

    The Sky Today on Tuesday, September 22: The autumnal equinox (opens Astronomy Magazine)

    Published

    Astronomy Magazine's feed description

    Looking for a sky event this week? Check out our full Sky This Week column. September 21: Saturn passes a field star The autumnal equinox occurs at 8:05 P.M. EDT. This moment marks the changing of the astronomical seasons; for those in the Northern Hemisphere, this is when summer ends and autumn beg…

  7. NBC 5 Dallas-Fort Worth

    When does fall start? All about the 2026 autumnal equinox (opens NBC 5 Dallas-Fort Worth)

    Published

    NBC 5 Dallas-Fort Worth's feed description

    Fall foliage.

  8. ABC 11 Raleigh

    Sept. 22 is the autumnal equinox: What to know as fall officially arrives (opens ABC 11 Raleigh)

    Published

    ABC 11 Raleigh's feed description

    This year, the autumnal equinox falls on Sept. 22 at about 8:05 p.m. EDT, bringing shorter days and cooler temps.

  9. MyNorthwest

    The fall equinox arrives today, and fall-like weather is right behind it (opens MyNorthwest)

    Published

    MyNorthwest's feed description

    The fall equinox is today at 5:05 p.m. The fall equinox is also known as the autumnal equinox, and the following day is the first full day of fall.

  10. WOWK Charleston

    Astronomical fall begins today -- here's what it actually means (opens WOWK Charleston)

    Published

    WOWK Charleston's feed description

    (WOWK) -- Meteorological fall began back on September 1, since meteorological seasons are based on the calendar rather than the position of Earth relative to the Sun. They divide the year into four seasons of three complete months each, making it easier for climatologists and meteorologists to organ…

  11. Fast Company

    Fall Equinox 2026: What it means and when it happens (opens Fast Company)

    Published

    Fast Company's feed description

    While many parts of the country are still experiencing hot weather, it’s comforting to know cooler temperatures could be on the way with the changing times. Today (Tuesday, September 22, 2026) marks the Fall Equinox, or the official beginning of astronomical autumn, in the Northern Hemisphere.

  12. KAAL Rochester

    Fall begins today, but does that mean frost or freeze is imminent? (opens KAAL Rochester)

    Published

    KAAL Rochester's feed description

    Astronomical Fall begins today, but we have had fall like temperatures present across our area persistently for almost 2 weeks now. Temperatures are barely forecast to reach 60 degrees today (Tuesday), with below-average temperatures expected through the remainder of the workweek.

  13. WJHL Johnson City

    Star Watch: Fall Equinox and Harvest Moon arrive this week (opens WJHL Johnson City)

    Published

    WJHL Johnson City's feed description

    Fall officially arrives this week, and the first weekend of the new season will bring one of the most recognizable full moons of the year. The autumnal equinox occurs Tuesday, Sept. 22 at 8:05 p.m. EDT, marking the official beginning of astronomical fall in the Northern Hemisphere.

  14. PBS NewsHour

    Fall has officially arrived. Here's what to know about the autumnal equinox (opens PBS NewsHour)

    Published

    PBS NewsHour's feed description

    At 8:05 p.m. Eastern time Tuesday, the sun will be directly overhead at the equator.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

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