Moon calendar: September 2025

Moon phases in September 2025, in UK time: full moon – 7 September 19:10, last quarter – 14 September 11:35, new moon – 21 September 20:54, first quarter – 30 September 00:54.

• Full moon 7 September, Sunday 19:10
• Last quarter 14 September, Sunday 11:35
• New moon 21 September, Sunday 20:54
• First quarter 30 September, Tuesday 00:54

Daily moon phases

Mo

Tu

We

Th

Fr

Sa

Su

1 61 %

2 71 %

3 79 %

4 87 %

5 93 %

6 98 %

7 Full moon 19:10

8 99 %

9 96 %

10 90 %

11 82 %

12 72 %

13 61 %

14 Last quarter 11:35

15 39 %

16 28 %

17 19 %

18 12 %

19 6 %

20 2 %

21 New moon 20:54

22 0 %

23 3 %

24 7 %

25 12 %

26 19 %

27 27 %

28 35 %

29 45 %

30 First quarter 00:54

Times are UK local time. Percentages show the fraction of the Moon’s disc illuminated at local noon.

Moon image: NASA Scientific Visualization Studio (public domain).

All full moons and moon phases in 2025 Moon phase today