sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Ostrołęka, Poland (Mazovia), for period: September 2026. Longest day in month: September 2026: 13 hours, 39 minutes, 58 seconds (2026-09-01). Shortest day in this month: 11 hours, 40 minutes , 29 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 45.27° (2026-09-01, 12:33:43). minimal: 34.2° (2026-09-30, 12:23:41)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 05:43:44 | 12:33:43 | 19:23:42 | 13h 39m 58s |
| 02 | Wednesday | 05:45:26 | 12:33:24 | 19:21:21 | 13h 35m 55s |
| 03 | Thursday | 05:47:08 | 12:33:04 | 19:19:00 | 13h 31m 52s |
| 04 | Friday | 05:48:51 | 12:32:44 | 19:16:38 | 13h 27m 47s |
| 05 | Saturday | 05:50:33 | 12:32:24 | 19:14:15 | 13h 23m 42s |
| 06 | Sunday | 05:52:15 | 12:32:04 | 19:11:53 | 13h 19m 38s |
| 07 | Monday | 05:53:58 | 12:31:44 | 19:09:29 | 13h 15m 31s |
| 08 | Tuesday | 05:55:40 | 12:31:23 | 19:07:06 | 13h 11m 26s |
| 09 | Wednesday | 05:57:22 | 12:31:02 | 19:04:42 | 13h 7m 20s |
| 10 | Thursday | 05:59:05 | 12:30:41 | 19:02:18 | 13h 3m 13s |
| 11 | Friday | 06:00:47 | 12:30:20 | 18:59:53 | 12h 59m 6s |
| 12 | Saturday | 06:02:29 | 12:29:59 | 18:57:29 | 12h 55m 0s |
| 13 | Sunday | 06:04:12 | 12:29:38 | 18:55:04 | 12h 50m 52s |
| 14 | Monday | 06:05:54 | 12:29:16 | 18:52:39 | 12h 46m 45s |
| 15 | Tuesday | 06:07:36 | 12:28:55 | 18:50:13 | 12h 42m 37s |
| 16 | Wednesday | 06:09:19 | 12:28:33 | 18:47:48 | 12h 38m 29s |
| 17 | Thursday | 06:11:02 | 12:28:12 | 18:45:22 | 12h 34m 20s |
| 18 | Friday | 06:12:44 | 12:27:51 | 18:42:57 | 12h 30m 13s |
| 19 | Saturday | 06:14:27 | 12:27:29 | 18:40:31 | 12h 26m 4s |
| 20 | Sunday | 06:16:10 | 12:27:08 | 18:38:06 | 12h 21m 56s |
| 21 | Monday | 06:17:53 | 12:26:46 | 18:35:40 | 12h 17m 47s |
| 22 | Tuesday | 06:19:36 | 12:26:25 | 18:33:15 | 12h 13m 39s |
| 23 | Wednesday | 06:21:19 | 12:26:04 | 18:30:49 | 12h 9m 30s |
| 24 | Thursday | 06:23:02 | 12:25:43 | 18:28:24 | 12h 5m 22s |
| 25 | Friday | 06:24:46 | 12:25:22 | 18:25:59 | 12h 1m 13s |
| 26 | Saturday | 06:26:30 | 12:25:02 | 18:23:34 | 11h 57m 4s |
| 27 | Sunday | 06:28:14 | 12:24:41 | 18:21:09 | 11h 52m 55s |
| 28 | Monday | 06:29:58 | 12:24:21 | 18:18:44 | 11h 48m 46s |
| 29 | Tuesday | 06:31:42 | 12:24:01 | 18:16:20 | 11h 44m 38s |
| 30 | Wednesday | 06:33:27 | 12:23:41 | 18:13:56 | 11h 40m 29s |