Sky almanac

The night sky in September 2026

In September 2026, the darkest skies fall around the New Moon on the 11th.

Moon phases

The Moon sets the rhythm of the month — the New Moon brings the darkest skies for faint objects, the Full Moon the brightest nights. Dates are in UTC and may shift a day in your time zone.

Last QuarterSep 4
New MoonSep 11
First QuarterSep 18
Full MoonSep 26

Turn this month into a plan for your sky — Stella has the exact times, weather, and dark sites.

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