sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Portmarnock, Ireland (Leinster, Fingal County), for period: September 2026. Longest day in month: September 2026: 13 hours, 40 minutes, 51 seconds (2026-09-01). Shortest day in this month: 11 hours, 39 minutes , 52 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 44.91° (2026-09-01, 13:24:32). minimal: 33.84° (2026-09-30, 13:14:31)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:34:07 | 13:24:32 | 20:14:58 | 13h 40m 51s |
| 02 | Wednesday | 06:35:51 | 13:24:13 | 20:12:36 | 13h 36m 45s |
| 03 | Thursday | 06:37:35 | 13:23:54 | 20:10:13 | 13h 32m 38s |
| 04 | Friday | 06:39:19 | 13:23:34 | 20:07:49 | 13h 28m 30s |
| 05 | Saturday | 06:41:03 | 13:23:14 | 20:05:25 | 13h 24m 22s |
| 06 | Sunday | 06:42:46 | 13:22:54 | 20:03:01 | 13h 20m 15s |
| 07 | Monday | 06:44:30 | 13:22:33 | 20:00:36 | 13h 16m 6s |
| 08 | Tuesday | 06:46:14 | 13:22:13 | 19:58:11 | 13h 11m 57s |
| 09 | Wednesday | 06:47:58 | 13:21:52 | 19:55:45 | 13h 7m 47s |
| 10 | Thursday | 06:49:42 | 13:21:31 | 19:53:20 | 13h 3m 38s |
| 11 | Friday | 06:51:26 | 13:21:10 | 19:50:54 | 12h 59m 28s |
| 12 | Saturday | 06:53:10 | 13:20:48 | 19:48:27 | 12h 55m 17s |
| 13 | Sunday | 06:54:53 | 13:20:27 | 19:46:01 | 12h 51m 8s |
| 14 | Monday | 06:56:37 | 13:20:06 | 19:43:34 | 12h 46m 57s |
| 15 | Tuesday | 06:58:21 | 13:19:44 | 19:41:07 | 12h 42m 46s |
| 16 | Wednesday | 07:00:05 | 13:19:23 | 19:38:41 | 12h 38m 36s |
| 17 | Thursday | 07:01:49 | 13:19:02 | 19:36:14 | 12h 34m 25s |
| 18 | Friday | 07:03:34 | 13:18:40 | 19:33:46 | 12h 30m 12s |
| 19 | Saturday | 07:05:18 | 13:18:19 | 19:31:19 | 12h 26m 1s |
| 20 | Sunday | 07:07:02 | 13:17:57 | 19:28:52 | 12h 21m 50s |
| 21 | Monday | 07:08:47 | 13:17:36 | 19:26:25 | 12h 17m 38s |
| 22 | Tuesday | 07:10:31 | 13:17:15 | 19:23:58 | 12h 13m 27s |
| 23 | Wednesday | 07:12:16 | 13:16:54 | 19:21:31 | 12h 9m 15s |
| 24 | Thursday | 07:14:01 | 13:16:33 | 19:19:04 | 12h 5m 3s |
| 25 | Friday | 07:15:46 | 13:16:12 | 19:16:37 | 12h 0m 51s |
| 26 | Saturday | 07:17:32 | 13:15:51 | 19:14:11 | 11h 56m 39s |
| 27 | Sunday | 07:19:17 | 13:15:31 | 19:11:45 | 11h 52m 28s |
| 28 | Monday | 07:21:03 | 13:15:11 | 19:09:18 | 11h 48m 15s |
| 29 | Tuesday | 07:22:48 | 13:14:51 | 19:06:53 | 11h 44m 5s |
| 30 | Wednesday | 07:24:35 | 13:14:31 | 19:04:27 | 11h 39m 52s |