Moon calendar: September 2026

Moon phases in September 2026, in UK time: last quarter – 4 September 08:52, new moon – 11 September 04:27, first quarter – 18 September 21:44, full moon – 26 September 17:50.

• Last quarter 4 September, Friday 08:52
• New moon 11 September, Friday 04:27
• First quarter 18 September, Friday 21:44
• Full moon 26 September, Saturday 17:50

Daily moon phases

Mo

Tu

We

Th

Fr

Sa

Su

1 80 %

2 71 %

3 60 %

4 Last quarter 08:52

5 37 %

6 26 %

7 17 %

8 9 %

9 4 %

10 1 %

11 New moon 04:27

12 2 %

13 6 %

14 12 %

15 19 %

16 28 %

17 37 %

18 First quarter 21:44

19 56 %

20 65 %

21 74 %

22 82 %

23 89 %

24 94 %

25 98 %

26 Full moon 17:50

27 99 %

28 96 %

29 91 %

30 83 %

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 2026 Moon phase today