SkyAlmanac

Moon · September 2025

Moon calendar for Montreal, Quebec, Canada: September 2025

Daily moon phases, illumination, moonrise and moonset in Montreal, Quebec, Canada for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Montreal, Quebec, Canada.

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Full moonSunday, September 7, 2025, 3:53 PM
New moonSunday, September 21, 2025, 12:49 PM
Day Phase Illumination Moonrise Moonset
1 Waxing Gibbous 64% 3:43 PM —
2 Waxing Gibbous 73% 4:26 PM 12:24 AM
3 Waxing Gibbous 81% 5:23 PM 1:35 AM
4 Waxing Gibbous 89% 5:44 PM 2:29 AM
5 Waxing Gibbous 94% 6:18 PM 3:44 AM
6 Waxing Gibbous 98% 6:28 PM 5:13 AM
7 Full Moon 100% 6:54 PM 6:20 AM
8 Full Moon 99% 7:28 PM 7:37 AM
9 Waning Gibbous 96% 7:38 PM 8:48 AM
10 Waning Gibbous 89% 7:56 PM 10:18 AM
11 Waning Gibbous 81% 8:21 PM 11:40 AM
12 Waning Gibbous 71% 8:50 PM 1:15 PM
13 Last Quarter 60% 9:39 PM 2:26 PM
14 Last Quarter 48% 10:26 PM 4:08 PM
15 Waning Crescent 37% 11:45 PM 4:37 PM
16 Waning Crescent 26% — 5:34 PM
17 Waning Crescent 17% 1:15 AM 5:55 PM
18 Waning Crescent 10% 2:23 AM 6:20 PM
19 Waning Crescent 4% 3:42 AM 6:29 PM
20 Waning Crescent 1% 4:56 AM 6:50 PM
21 New Moon 0% 6:14 AM 7:23 PM
22 New Moon 1% 7:26 AM 7:33 PM
23 Waxing Crescent 4% 8:21 AM 7:40 PM
24 Waxing Crescent 8% 9:33 AM 8:05 PM
25 Waxing Crescent 14% 10:25 AM 8:23 PM
26 Waxing Crescent 21% 11:37 AM 8:52 PM
27 Waxing Crescent 29% 12:28 PM 9:37 PM
28 Waxing Crescent 38% 1:38 PM 10:20 PM
29 First Quarter 48% 2:23 PM 11:29 PM
30 First Quarter 58% 3:17 PM —

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Frequently asked questions

When is the full moon in September 2025 in Montreal, Quebec, Canada?

The full moon peaks on Sunday, September 7, 2025, 3:53 PM (local time).

When is the new moon in September 2025?

The new moon falls on Sunday, September 21, 2025, 12:49 PM (local time) — the darkest nights of the month, best for stargazing.

Data: Meeus astronomical algorithms. How we calculate this

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