sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Porsgrunn, Norway (Telemark), for period: September 2026. Longest day in month: September 2026: 14 hours, 5 minutes, 6 seconds (2026-09-01). Shortest day in this month: 11 hours, 34 minutes , 19 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 39.21° (2026-09-01, 13:21:23). minimal: 28.14° (2026-09-30, 13:11:21)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:18:50 | 13:21:23 | 20:23:56 | 14h 5m 6s |
| 02 | Wednesday | 06:21:06 | 13:21:04 | 20:21:01 | 13h 59m 55s |
| 03 | Thursday | 06:23:22 | 13:20:44 | 20:18:07 | 13h 54m 45s |
| 04 | Friday | 06:25:37 | 13:20:24 | 20:15:12 | 13h 49m 35s |
| 05 | Saturday | 06:27:52 | 13:20:04 | 20:12:16 | 13h 44m 24s |
| 06 | Sunday | 06:30:08 | 13:19:44 | 20:09:21 | 13h 39m 13s |
| 07 | Monday | 06:32:23 | 13:19:24 | 20:06:25 | 13h 34m 2s |
| 08 | Tuesday | 06:34:38 | 13:19:03 | 20:03:28 | 13h 28m 50s |
| 09 | Wednesday | 06:36:53 | 13:18:42 | 20:00:32 | 13h 23m 39s |
| 10 | Thursday | 06:39:07 | 13:18:21 | 19:57:35 | 13h 18m 28s |
| 11 | Friday | 06:41:22 | 13:18:00 | 19:54:38 | 13h 13m 16s |
| 12 | Saturday | 06:43:37 | 13:17:39 | 19:51:41 | 13h 8m 4s |
| 13 | Sunday | 06:45:52 | 13:17:18 | 19:48:44 | 13h 2m 52s |
| 14 | Monday | 06:48:06 | 13:16:56 | 19:45:46 | 12h 57m 40s |
| 15 | Tuesday | 06:50:21 | 13:16:35 | 19:42:49 | 12h 52m 28s |
| 16 | Wednesday | 06:52:36 | 13:16:13 | 19:39:51 | 12h 47m 15s |
| 17 | Thursday | 06:54:50 | 13:15:52 | 19:36:54 | 12h 42m 4s |
| 18 | Friday | 06:57:05 | 13:15:31 | 19:33:56 | 12h 36m 51s |
| 19 | Saturday | 06:59:20 | 13:15:09 | 19:30:58 | 12h 31m 38s |
| 20 | Sunday | 07:01:35 | 13:14:48 | 19:28:01 | 12h 26m 26s |
| 21 | Monday | 07:03:50 | 13:14:26 | 19:25:03 | 12h 21m 13s |
| 22 | Tuesday | 07:06:05 | 13:14:05 | 19:22:06 | 12h 16m 1s |
| 23 | Wednesday | 07:08:20 | 13:13:44 | 19:19:08 | 12h 10m 48s |
| 24 | Thursday | 07:10:36 | 13:13:23 | 19:16:11 | 12h 5m 35s |
| 25 | Friday | 07:12:51 | 13:13:02 | 19:13:14 | 12h 0m 23s |
| 26 | Saturday | 07:15:07 | 13:12:42 | 19:10:17 | 11h 55m 10s |
| 27 | Sunday | 07:17:23 | 13:12:21 | 19:07:20 | 11h 49m 57s |
| 28 | Monday | 07:19:39 | 13:12:01 | 19:04:23 | 11h 44m 44s |
| 29 | Tuesday | 07:21:55 | 13:11:41 | 19:01:27 | 11h 39m 32s |
| 30 | Wednesday | 07:24:12 | 13:11:21 | 18:58:31 | 11h 34m 19s |