SkyAlmanac

Moon · September 2025

Moon calendar for Markham, Ontario, Canada: September 2025

Daily moon phases, illumination, moonrise and moonset in Markham, Ontario, Canada for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Markham, Ontario, 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% 4:02 PM 12:12 AM
2 Waxing Gibbous 73% 4:40 PM 1:02 AM
3 Waxing Gibbous 81% 5:36 PM 2:02 AM
4 Waxing Gibbous 89% 6:10 PM 3:18 AM
5 Waxing Gibbous 94% 6:27 PM 4:20 AM
6 Waxing Gibbous 98% 6:57 PM 5:35 AM
7 Full Moon 100% 7:31 PM 6:35 AM
8 Full Moon 99% 7:40 PM 8:02 AM
9 Waning Gibbous 96% 8:06 PM 9:29 AM
10 Waning Gibbous 89% 8:23 PM 10:27 AM
11 Waning Gibbous 81% 8:44 PM 11:59 AM
12 Waning Gibbous 71% 9:33 PM 1:33 PM
13 Last Quarter 60% 10:17 PM 2:32 PM
14 Last Quarter 48% 11:22 PM 3:58 PM
15 Waning Crescent 37% — 4:54 PM
16 Waning Crescent 26% 12:19 AM 5:41 PM
17 Waning Crescent 17% 1:39 AM 6:16 PM
18 Waning Crescent 10% 2:56 AM 6:29 PM
19 Waning Crescent 4% 4:17 AM 6:59 PM
20 Waning Crescent 1% 5:33 AM 7:29 PM
21 New Moon 0% 6:26 AM 7:35 PM
22 New Moon 1% 7:38 AM 7:42 PM
23 Waxing Crescent 4% 8:30 AM 8:13 PM
24 Waxing Crescent 8% 9:43 AM 8:24 PM
25 Waxing Crescent 14% 10:39 AM 8:49 PM
26 Waxing Crescent 21% 11:50 AM 9:33 PM
27 Waxing Crescent 29% 12:49 PM 10:07 PM
28 Waxing Crescent 38% 1:50 PM 10:44 PM
29 First Quarter 48% 2:33 PM 11:40 PM
30 First Quarter 58% 3:34 PM —

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Frequently asked questions

When is the full moon in September 2025 in Markham, Ontario, 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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