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Thunder Bay, Ontario, Canada — Sunrise, Sunset, and Daylength, September 2025

Daylight

6:07 am – 9:41 pm
15 hours, 34 minutes

Current Time: May 23, 2025 at 1:39:51 am
Sun Direction: ↑ 357° North
Sun Altitude: -20.9°
Sun Distance: 94.116 million mi
Next Solstice: Jun 20, 2025 10:42 pm (Summer)
Sunrise Today: 6:07 am↑ 57° Northeast
Sunset Today: 9:41 pm↑ 303° Northwest
Location of Thunder BayLocation

2025 Sun Graph for Thunder Bay

September 2025 — Sun in Thunder Bay

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2025Sunrise/SunsetDaylengthAstronomical TwilightNautical TwilightCivil TwilightSolar Noon
SepSunriseSunsetLengthDiff.StartEndStartEndStartEndTimeMil. mi
17:15 am ↑ (77°)8:37 pm ↑ (283°)13:22:48−3:245:20 am10:31 pm6:03 am9:49 pm6:42 am9:10 pm1:56 pm (49.6°)93.799
27:16 am ↑ (77°)8:35 pm ↑ (282°)13:19:23−3:245:22 am10:29 pm6:04 am9:47 pm6:44 am9:08 pm1:56 pm (49.2°)93.776
37:17 am ↑ (78°)8:33 pm ↑ (282°)13:15:57−3:255:24 am10:26 pm6:06 am9:44 pm6:45 am9:05 pm1:56 pm (48.9°)93.753
47:19 am ↑ (78°)8:31 pm ↑ (281°)13:12:31−3:255:26 am10:23 pm6:08 am9:42 pm6:46 am9:03 pm1:55 pm (48.5°)93.730
57:20 am ↑ (79°)8:29 pm ↑ (281°)13:09:05−3:265:28 am10:21 pm6:09 am9:40 pm6:48 am9:01 pm1:55 pm (48.1°)93.707
67:21 am ↑ (80°)8:27 pm ↑ (280°)13:05:38−3:265:30 am10:18 pm6:11 am9:37 pm6:49 am8:59 pm1:55 pm (47.7°)93.684
77:23 am ↑ (80°)8:25 pm ↑ (279°)13:02:11−3:275:31 am10:16 pm6:12 am9:35 pm6:51 am8:57 pm1:54 pm (47.4°)93.660
87:24 am ↑ (81°)8:23 pm ↑ (279°)12:58:44−3:275:33 am10:13 pm6:14 am9:33 pm6:52 am8:55 pm1:54 pm (47.0°)93.637
97:26 am ↑ (81°)8:21 pm ↑ (278°)12:55:16−3:275:35 am10:11 pm6:16 am9:31 pm6:54 am8:53 pm1:54 pm (46.6°)93.613
107:27 am ↑ (82°)8:19 pm ↑ (278°)12:51:48−3:285:37 am10:08 pm6:17 am9:28 pm6:55 am8:50 pm1:53 pm (46.2°)93.589
117:28 am ↑ (82°)8:17 pm ↑ (277°)12:48:20−3:285:39 am10:06 pm6:19 am9:26 pm6:57 am8:48 pm1:53 pm (45.9°)93.566
127:30 am ↑ (83°)8:15 pm ↑ (277°)12:44:51−3:285:41 am10:03 pm6:20 am9:24 pm6:58 am8:46 pm1:53 pm (45.5°)93.542
137:31 am ↑ (84°)8:13 pm ↑ (276°)12:41:22−3:285:42 am10:01 pm6:22 am9:22 pm7:00 am8:44 pm1:52 pm (45.1°)93.518
147:33 am ↑ (84°)8:10 pm ↑ (275°)12:37:53−3:295:44 am9:58 pm6:23 am9:19 pm7:01 am8:42 pm1:52 pm (44.7°)93.494
157:34 am ↑ (85°)8:08 pm ↑ (275°)12:34:23−3:295:46 am9:56 pm6:25 am9:17 pm7:02 am8:40 pm1:52 pm (44.3°)93.470
167:35 am ↑ (85°)8:06 pm ↑ (274°)12:30:54−3:295:48 am9:54 pm6:26 am9:15 pm7:04 am8:38 pm1:51 pm (43.9°)93.445
177:37 am ↑ (86°)8:04 pm ↑ (274°)12:27:24−3:295:49 am9:51 pm6:28 am9:13 pm7:05 am8:35 pm1:51 pm (43.6°)93.420
187:38 am ↑ (87°)8:02 pm ↑ (273°)12:23:54−3:295:51 am9:49 pm6:30 am9:10 pm7:07 am8:33 pm1:51 pm (43.2°)93.395
197:39 am ↑ (87°)8:00 pm ↑ (273°)12:20:24−3:305:53 am9:46 pm6:31 am9:08 pm7:08 am8:31 pm1:50 pm (42.8°)93.370
207:41 am ↑ (88°)7:58 pm ↑ (272°)12:16:54−3:305:54 am9:44 pm6:33 am9:06 pm7:10 am8:29 pm1:50 pm (42.4°)93.345
217:42 am ↑ (88°)7:56 pm ↑ (271°)12:13:23−3:305:56 am9:42 pm6:34 am9:04 pm7:11 am8:27 pm1:49 pm (42.0°)93.319
227:44 am ↑ (89°)7:54 pm ↑ (271°)12:09:53−3:305:58 am9:39 pm6:36 am9:01 pm7:12 am8:25 pm1:49 pm (41.6°)93.293
237:45 am ↑ (89°)7:51 pm ↑ (270°)12:06:23−3:305:59 am9:37 pm6:37 am8:59 pm7:14 am8:23 pm1:49 pm (41.2°)93.267
247:47 am ↑ (90°)7:49 pm ↑ (270°)12:02:52−3:306:01 am9:35 pm6:39 am8:57 pm7:15 am8:21 pm1:48 pm (40.8°)93.241
257:48 am ↑ (91°)7:47 pm ↑ (269°)11:59:22−3:306:02 am9:32 pm6:40 am8:55 pm7:17 am8:18 pm1:48 pm (40.5°)93.215
267:49 am ↑ (91°)7:45 pm ↑ (268°)11:55:51−3:306:04 am9:30 pm6:42 am8:53 pm7:18 am8:16 pm1:48 pm (40.1°)93.188
277:51 am ↑ (92°)7:43 pm ↑ (268°)11:52:21−3:306:06 am9:28 pm6:43 am8:51 pm7:20 am8:14 pm1:47 pm (39.7°)93.161
287:52 am ↑ (92°)7:41 pm ↑ (267°)11:48:51−3:306:07 am9:26 pm6:45 am8:48 pm7:21 am8:12 pm1:47 pm (39.3°)93.134
297:54 am ↑ (93°)7:39 pm ↑ (267°)11:45:21−3:306:09 am9:23 pm6:46 am8:46 pm7:22 am8:10 pm1:47 pm (38.9°)93.107
307:55 am ↑ (94°)7:37 pm ↑ (266°)11:41:51−3:306:10 am9:21 pm6:47 am8:44 pm7:24 am8:08 pm1:46 pm (38.5°)93.080
* All Âé¶¹Ó³»­ are local time for Thunder Bay. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar.

The September equinox (autumnal equinox) in Thunder Bay is at 2:19 pm on Monday, September 22, 2025.
Why is the day and night not exactly 12 hours on equinox?

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