Moon Phases September 2026
Last Quarter
4 September
New Moon
11 September
First Quarter
18 September
Full Moon
26 September
Moon phase day by day
| Day | Phase | Illumination |
|---|---|---|
| 1 | Waning Gibbous | 80% |
| 2 | Waning Gibbous | 70% |
| 3 | Last Quarter | 59% |
| 4 | Last Quarter | 48% |
| 5 | Last Quarter | 36% |
| 6 | Waning Crescent | 26% |
| 7 | Waning Crescent | 16% |
| 8 | Waning Crescent | 9% |
| 9 | New Moon | 3% |
| 10 | New Moon | 0% |
| 11 | New Moon | 0% |
| 12 | New Moon | 2% |
| 13 | Waxing Crescent | 7% |
| 14 | Waxing Crescent | 13% |
| 15 | Waxing Crescent | 20% |
| 16 | Waxing Crescent | 29% |
| 17 | First Quarter | 38% |
| 18 | First Quarter | 47% |
| 19 | First Quarter | 57% |
| 20 | First Quarter | 66% |
| 21 | Waxing Gibbous | 75% |
| 22 | Waxing Gibbous | 83% |
| 23 | Waxing Gibbous | 89% |
| 24 | Waxing Gibbous | 95% |
| 25 | Full Moon | 98% |
| 26 | Full Moon | 100% |
| 27 | Full Moon | 99% |
| 28 | Waning Gibbous | 96% |
| 29 | Waning Gibbous | 90% |
| 30 | Waning Gibbous | 82% |
Illumination at noon (UTC) for each day.
Frequently asked questions
When is the full moon in September 2026?
The full moon in September 2026 is on 26 September.
When is the new moon in September 2026?
The new moon in September 2026 is on 11 September.