← 2025 Moon phase calendar

A MONTH OF WAXING AND WANING LIGHT

September 2025 Moon phase calendar

Major phase dates and times are in UTC. Daily phase and illumination are for 03:00 UTC on each date, the same moment as each day’s Moon page.

Major phase times

Full Moon
Last Quarter
New Moon
First Quarter

Which time zone does this calendar use?

Each major phase happens at the same instant worldwide. The dates and times here are in UTC, so where you are the date can be a day earlier or later. The 2025 Full Moon calendar gives full Moon names and times in US Eastern Time.

Daily phase and illumination are for 03:00 UTC, the same moment as each day’s Moon page. For moonrise and moonset where you are, see Moonrise and moonset tonight.

Find the Moon on your birthday →

Daily Moon phase

Select a date for its detailed Moon view.

Full calendar →
Daily Moon phase and illumination for September 2025, at 03:00 UTC each day
DateMoonPhaseIllumination
Sep 1Waxing Gibbous58%
Sep 2Waxing Gibbous68%
Sep 3Waxing Gibbous77%
Sep 4Waxing Gibbous85%
Sep 5Waxing Gibbous92%
Sep 6Waxing Gibbous97%
Sep 7Full Moon99%
Sep 8Full Moon100%
Sep 9Waning Gibbous97%
Sep 10Waning Gibbous92%
Sep 11Waning Gibbous85%
Sep 12Waning Gibbous76%
Sep 13Waning Gibbous65%
Sep 14Waning Gibbous54%
Sep 15Waning Crescent42%
Sep 16Waning Crescent32%
Sep 17Waning Crescent22%
Sep 18Waning Crescent14%
Sep 19Waning Crescent7%
Sep 20Waning Crescent3%
Sep 21New Moon0%
Sep 22New Moon0%
Sep 23Waxing Crescent2%
Sep 24Waxing Crescent5%
Sep 25Waxing Crescent10%
Sep 26Waxing Crescent16%
Sep 27Waxing Crescent24%
Sep 28Waxing Crescent32%
Sep 29Waxing Crescent42%
Sep 30Waxing Gibbous51%
Moonrise and moonset where you are →

Born in September 2025?

Choose your birth date to see that day’s Moon in 3D and make a card you can share.

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