9 Night Sky Events in September 2026 You Won't Want to Miss
September 2026 brings nine night sky events, from Moon-planet pairings and Venus at peak brightness to the Harvest Moon and possible auroras.
September 2026 presents skywatchers with a variety of celestial events to observe. One notable event is the Andromeda Galaxy's visibility throughout the month, best viewed at midnight or 1 a.m. local time when it reaches its highest point. On September 6 and 7, a close pairing of the Moon and Mars occurs, while Jupiter and Saturn join the view on September 8.
The New Moon of September 11-12 provides the darkest skies, aiding in the observation of faint celestial objects. Another dual pairing happens on September 14, featuring the Moon and Venus. Venus reaches its brightest on September 18, with Mercury nearby. The autumnal equinox on September 22 may lead to increased aurora activity in the Northern Hemisphere, though this is not guaranteed.
Mars joins Gemini's Castor and Pollux on September 25, forming a distinctive trio. The full Harvest Moon rises on September 26, potentially appearing larger and brighter near the horizon.
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