Moon calendar for September 2027
Every day of September 2027 with the Moon's phase and how much of it is lit at 12:00 UTC. The new Moon, the quarters and the full Moon are marked on the day they happen in UTC.
New Moon, quarters and full Moon in September 2027
- First quarter
- Full Moon
- Last quarter
- New Moon
Times are in Coordinated Universal Time (UTC), to the minute, and agree with NASA's published table of Moon phases to within two minutes. Where your browser allows, your own clock is shown under each.
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| September 1: Waxing crescent, 1% lit | September 2: Waxing crescent, 4% lit | September 3: Waxing crescent, 11% lit | September 4: Waxing crescent, 18% lit | |||
| September 5: Waxing crescent, 28% lit | September 6: Waxing crescent, 37% lit | September 7: First quarter, 47% lit | September 8: Waxing gibbous, 57% lit | September 9: Waxing gibbous, 67% lit | September 10: Waxing gibbous, 75% lit | September 11: Waxing gibbous, 83% lit |
| September 12: Waxing gibbous, 89% lit | September 13: Waxing gibbous, 95% lit | September 14: Waxing gibbous, 98% lit | September 15: Full Moon, 100% lit | September 16: Waning gibbous, 100% lit | September 17: Waning gibbous, 98% lit | September 18: Waning gibbous, 94% lit |
| September 19: Waning gibbous, 88% lit | September 20: Waning gibbous, 80% lit | September 21: Waning gibbous, 71% lit | September 22: Waning gibbous, 60% lit | September 23: Last quarter, 49% lit | September 24: Waning crescent, 38% lit | September 25: Waning crescent, 27% lit |
| September 26: Waning crescent, 17% lit | September 27: Waning crescent, 9% lit | September 28: Waning crescent, 4% lit | September 29: Waning crescent, 1% lit | September 30: New Moon, 0% lit |