SkyAlmanac

Moon · September 2026

Moon calendar for Ottawa, Ontario, Canada: September 2026

Daily moon phases, illumination, moonrise and moonset in Ottawa, Ontario, Canada for September 2026. Full moon: September 26, 2026. All times are shown in the local time of Ottawa, Ontario, Canada.

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Full moonSaturday, September 26, 2026, 5:33 PM
New moonThursday, September 10, 2026, 8:18 PM
Day Phase Illumination Moonrise Moonset
1 Waning Gibbous 79% 8:46 PM 11:54 AM
2 Waning Gibbous 69% 9:31 PM 1:30 PM
3 Last Quarter 57% 10:08 PM 2:34 PM
4 Last Quarter 46% 11:02 PM 3:57 PM
5 Waning Crescent 34% — 5:03 PM
6 Waning Crescent 23% 12:14 AM 5:45 PM
7 Waning Crescent 14% 1:35 AM 6:22 PM
8 Waning Crescent 7% 2:52 AM 6:41 PM
9 Waning Crescent 2% 4:20 AM 7:26 PM
10 New Moon 0% 5:38 AM 7:35 PM
11 New Moon 1% 6:44 AM 7:26 PM
12 Waxing Crescent 3% 8:10 AM 8:13 PM
13 Waxing Crescent 8% 9:26 AM 8:24 PM
14 Waxing Crescent 14% 10:23 AM 8:41 PM
15 Waxing Crescent 22% 11:36 AM 9:30 PM
16 Waxing Crescent 30% 12:28 PM 9:49 PM
17 Waxing Crescent 39% 1:39 PM 10:27 PM
18 First Quarter 49% 2:26 PM 11:32 PM
19 First Quarter 58% 3:29 PM —
20 Waxing Gibbous 67% 3:58 PM 12:21 AM
21 Waxing Gibbous 76% 4:25 PM 1:32 AM
22 Waxing Gibbous 83% 4:50 PM 2:24 AM
23 Waxing Gibbous 90% 5:29 PM 3:37 AM
24 Waxing Gibbous 95% 5:38 PM 4:34 AM
25 Waxing Gibbous 99% 5:52 PM 5:50 AM
26 Full Moon 100% 6:18 PM 7:13 AM
27 Full Moon 99% 6:26 PM 8:20 AM
28 Waning Gibbous 96% 6:49 PM 9:37 AM
29 Waning Gibbous 90% 7:31 PM 10:54 AM
30 Waning Gibbous 82% 7:59 PM 12:20 PM

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Frequently asked questions

When is the full moon in September 2026 in Ottawa, Ontario, Canada?

The full moon peaks on Saturday, September 26, 2026, 5:33 PM (local time).

When is the new moon in September 2026?

The new moon falls on Thursday, September 10, 2026, 8:18 PM (local time) — the darkest nights of the month, best for stargazing.

Data: Meeus astronomical algorithms. How we calculate this

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