ASTRUM
Moon calendar for September 2025
New Moon, Full Moon and the other phases in one calendar. Enjoy observing the Moon without a list of things you must or must not do.
Shown for London (default location).
Times and visibility are calculated for London, Europe/London. These are not predictions about your life.
Choose a day to see its details.
- 62%
- 71%
- 80%
- 87%
- 94%
- 98%
- 100%
- 99%
- 96%
- 90%
- 82%
- 72%
- 61%
- 50%
- 38%
- 28%
- 19%
- 11%
- 6%
- 2%
- 0%
- 0%
- 3%
- 7%
- 12%
- 19%
- 27%
- 36%
- 45%
- 55%
- 65%
- 74%
- 83%
- 90%
- 96%
- 99%
- 100%
- 97%
- 92%
- 84%
- 75%
- 64%
1 September 2025
First Quarter
61.8% illuminated
Phase and illumination at the middle of the local day.
2 September 2025
Waxing Gibbous
71.1% illuminated
Phase and illumination at the middle of the local day.
3 September 2025
Waxing Gibbous
79.7% illuminated
Phase and illumination at the middle of the local day.
4 September 2025
Waxing Gibbous
87.4% illuminated
Phase and illumination at the middle of the local day.
5 September 2025
Waxing Gibbous
93.6% illuminated
Phase and illumination at the middle of the local day.
6 September 2025
Full Moon
97.9% illuminated
Phase and illumination at the middle of the local day.
7 September 2025
Full Moon
99.9% illuminated
Phase and illumination at the middle of the local day.
8 September 2025
Full Moon
99.3% illuminated
Phase and illumination at the middle of the local day.
9 September 2025
Waning Gibbous
96.0% illuminated
Phase and illumination at the middle of the local day.
10 September 2025
Waning Gibbous
90.0% illuminated
Phase and illumination at the middle of the local day.
11 September 2025
Waning Gibbous
81.8% illuminated
Phase and illumination at the middle of the local day.
12 September 2025
Waning Gibbous
71.9% illuminated
Phase and illumination at the middle of the local day.
13 September 2025
Last Quarter
60.9% illuminated
Phase and illumination at the middle of the local day.
14 September 2025
Last Quarter
49.6% illuminated
Phase and illumination at the middle of the local day.
15 September 2025
Last Quarter
38.4% illuminated
Phase and illumination at the middle of the local day.
16 September 2025
Waning Crescent
28.1% illuminated
Phase and illumination at the middle of the local day.
17 September 2025
Waning Crescent
18.9% illuminated
Phase and illumination at the middle of the local day.
18 September 2025
Waning Crescent
11.3% illuminated
Phase and illumination at the middle of the local day.
19 September 2025
Waning Crescent
5.6% illuminated
Phase and illumination at the middle of the local day.
20 September 2025
New Moon
1.8% illuminated
Phase and illumination at the middle of the local day.
21 September 2025
New Moon
0.1% illuminated
Phase and illumination at the middle of the local day.
22 September 2025
New Moon
0.4% illuminated
Phase and illumination at the middle of the local day.
23 September 2025
New Moon
2.7% illuminated
Phase and illumination at the middle of the local day.
24 September 2025
Waxing Crescent
6.7% illuminated
Phase and illumination at the middle of the local day.
25 September 2025
Waxing Crescent
12.2% illuminated
Phase and illumination at the middle of the local day.
26 September 2025
Waxing Crescent
19.0% illuminated
Phase and illumination at the middle of the local day.
27 September 2025
Waxing Crescent
27.0% illuminated
Phase and illumination at the middle of the local day.
28 September 2025
First Quarter
35.8% illuminated
Phase and illumination at the middle of the local day.
29 September 2025
First Quarter
45.2% illuminated
Phase and illumination at the middle of the local day.
30 September 2025
First Quarter
55.0% illuminated
Phase and illumination at the middle of the local day.
1 October 2025
First Quarter
64.8% illuminated
Phase and illumination at the middle of the local day.
2 October 2025
Waxing Gibbous
74.3% illuminated
Phase and illumination at the middle of the local day.
3 October 2025
Waxing Gibbous
83.0% illuminated
Phase and illumination at the middle of the local day.
4 October 2025
Waxing Gibbous
90.5% illuminated
Phase and illumination at the middle of the local day.
5 October 2025
Waxing Gibbous
96.1% illuminated
Phase and illumination at the middle of the local day.
6 October 2025
Full Moon
99.3% illuminated
Phase and illumination at the middle of the local day.
7 October 2025
Full Moon
99.8% illuminated
Phase and illumination at the middle of the local day.
8 October 2025
Full Moon
97.3% illuminated
Phase and illumination at the middle of the local day.
9 October 2025
Waning Gibbous
92.0% illuminated
Phase and illumination at the middle of the local day.
10 October 2025
Waning Gibbous
84.3% illuminated
Phase and illumination at the middle of the local day.
11 October 2025
Waning Gibbous
74.8% illuminated
Phase and illumination at the middle of the local day.
12 October 2025
Last Quarter
64.2% illuminated
Phase and illumination at the middle of the local day.
A symbolic perspective for reflection, not a diagnosis or a prediction of events.