SkyAlmanac

Moon · September 2025

Moon calendar for Swansea, Wales, United Kingdom: September 2025

Daily moon phases, illumination, moonrise and moonset in Swansea, Wales, United Kingdom for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Swansea, Wales, United Kingdom.

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Full moonSunday, September 7, 2025, 8:53 PM
New moonSunday, September 21, 2025, 5:49 PM
Day Phase Illumination Moonrise Moonset
1 Waxing Gibbous 62% 4:23 PM —
2 Waxing Gibbous 71% 5:25 PM 12:09 AM
3 Waxing Gibbous 80% 5:55 PM 1:15 AM
4 Waxing Gibbous 87% 6:22 PM 2:19 AM
5 Waxing Gibbous 93% 6:36 PM 3:39 AM
6 Waxing Gibbous 98% 7:11 PM 4:56 AM
7 Full Moon 100% 7:29 PM 6:20 AM
8 Full Moon 99% 7:36 PM 7:41 AM
9 Waning Gibbous 96% 7:42 PM 9:18 AM
10 Waning Gibbous 91% 7:55 PM 10:29 AM
11 Waning Gibbous 83% 8:14 PM 12:12 PM
12 Waning Gibbous 73% 8:25 PM 1:45 PM
13 Waning Gibbous 62% 9:08 PM 3:31 PM
14 Last Quarter 51% 9:53 PM 4:38 PM
15 Waning Crescent 39% 11:10 PM 5:45 PM
16 Waning Crescent 28% — 6:21 PM
17 Waning Crescent 19% 12:24 AM 6:39 PM
18 Waning Crescent 11% 2:05 AM 7:02 PM
19 Waning Crescent 5% 3:35 AM 7:24 PM
20 Waning Crescent 2% 4:45 AM 7:32 PM
21 New Moon 0% 6:10 AM 7:35 PM
22 New Moon 1% 7:32 AM 7:40 PM
23 Waxing Crescent 3% 8:27 AM 7:47 PM
24 Waxing Crescent 7% 9:44 AM 8:08 PM
25 Waxing Crescent 13% 10:56 AM 8:21 PM
26 Waxing Crescent 19% 12:12 PM 8:43 PM
27 Waxing Crescent 27% 1:24 PM 9:26 PM
28 Waxing Crescent 36% 2:18 PM 10:00 PM
29 First Quarter 46% 3:21 PM 10:53 PM
30 First Quarter 55% 3:53 PM —

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Frequently asked questions

When is the full moon in September 2025 in Swansea, Wales, United Kingdom?

The full moon peaks on Sunday, September 7, 2025, 8:53 PM (local time).

When is the new moon in September 2025?

The new moon falls on Sunday, September 21, 2025, 5:49 PM (local time) — the darkest nights of the month, best for stargazing.

Data: Meeus astronomical algorithms. How we calculate this

More for Swansea, Wales, United Kingdom

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