sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Castleknock, Ireland (Leinster, Fingal County), for period: September 2026. Longest day in month: September 2026: 13 hours, 40 minutes, 41 seconds (2026-09-01). Shortest day in this month: 11 hours, 39 minutes , 54 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 44.96° (2026-09-01, 13:25:27). minimal: 33.89° (2026-09-30, 13:15:25)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:35:06 | 13:25:27 | 20:15:47 | 13h 40m 41s |
| 02 | Wednesday | 06:36:50 | 13:25:07 | 20:13:25 | 13h 36m 35s |
| 03 | Thursday | 06:38:34 | 13:24:48 | 20:11:02 | 13h 32m 28s |
| 04 | Friday | 06:40:17 | 13:24:28 | 20:08:39 | 13h 28m 22s |
| 05 | Saturday | 06:42:01 | 13:24:08 | 20:06:15 | 13h 24m 14s |
| 06 | Sunday | 06:43:45 | 13:23:48 | 20:03:51 | 13h 20m 6s |
| 07 | Monday | 06:45:28 | 13:23:27 | 20:01:26 | 13h 15m 58s |
| 08 | Tuesday | 06:47:12 | 13:23:07 | 19:59:01 | 13h 11m 49s |
| 09 | Wednesday | 06:48:56 | 13:22:46 | 19:56:36 | 13h 7m 40s |
| 10 | Thursday | 06:50:39 | 13:22:25 | 19:54:11 | 13h 3m 32s |
| 11 | Friday | 06:52:23 | 13:22:04 | 19:51:45 | 12h 59m 22s |
| 12 | Saturday | 06:54:06 | 13:21:43 | 19:49:19 | 12h 55m 13s |
| 13 | Sunday | 06:55:50 | 13:21:21 | 19:46:53 | 12h 51m 3s |
| 14 | Monday | 06:57:34 | 13:21:00 | 19:44:26 | 12h 46m 52s |
| 15 | Tuesday | 06:59:18 | 13:20:39 | 19:42:00 | 12h 42m 42s |
| 16 | Wednesday | 07:01:01 | 13:20:17 | 19:39:33 | 12h 38m 32s |
| 17 | Thursday | 07:02:45 | 13:19:56 | 19:37:06 | 12h 34m 21s |
| 18 | Friday | 07:04:29 | 13:19:34 | 19:34:39 | 12h 30m 10s |
| 19 | Saturday | 07:06:13 | 13:19:13 | 19:32:12 | 12h 25m 59s |
| 20 | Sunday | 07:07:58 | 13:18:51 | 19:29:45 | 12h 21m 47s |
| 21 | Monday | 07:09:42 | 13:18:30 | 19:27:19 | 12h 17m 37s |
| 22 | Tuesday | 07:11:26 | 13:18:09 | 19:24:52 | 12h 13m 26s |
| 23 | Wednesday | 07:13:11 | 13:17:48 | 19:22:25 | 12h 9m 14s |
| 24 | Thursday | 07:14:56 | 13:17:27 | 19:19:58 | 12h 5m 2s |
| 25 | Friday | 07:16:40 | 13:17:06 | 19:17:32 | 12h 0m 52s |
| 26 | Saturday | 07:18:25 | 13:16:45 | 19:15:05 | 11h 56m 40s |
| 27 | Sunday | 07:20:11 | 13:16:25 | 19:12:39 | 11h 52m 28s |
| 28 | Monday | 07:21:56 | 13:16:05 | 19:10:13 | 11h 48m 17s |
| 29 | Tuesday | 07:23:42 | 13:15:45 | 19:07:48 | 11h 44m 6s |
| 30 | Wednesday | 07:25:28 | 13:15:25 | 19:05:22 | 11h 39m 54s |