Moon calendar: September 2031

Moon phases in September 2031, in UK time: full moon – 1 September 10:21, last quarter – 8 September 17:15, new moon – 16 September 19:47, first quarter – 24 September 02:21, full moon – 30 September 19:58. There are two full moons this month; the second is known as a Blue Moon.

• Full moon 1 September, Monday 10:21
• Last quarter 8 September, Monday 17:15
• New moon 16 September, Tuesday 19:47
• First quarter 24 September, Wednesday 02:21
• Full moon 30 September, Tuesday 19:58

Daily moon phases

Mo

Tu

We

Th

Fr

Sa

Su

1 Full moon 10:21

2 98 %

3 94 %

4 88 %

5 80 %

6 71 %

7 62 %

8 Last quarter 17:15

9 43 %

10 33 %

11 25 %

12 17 %

13 11 %

14 5 %

15 2 %

16 New moon 19:47

17 0 %

18 3 %

19 8 %

20 14 %

21 23 %

22 32 %

23 43 %

24 First quarter 02:21

25 66 %

26 76 %

27 86 %

28 93 %

29 98 %

30 Full moon 19:58

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 2031 Moon phase today