sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Mount Merrion, Ireland (Leinster, Dún Laoghaire-Rathdown), for period: September 2026. Longest day in month: September 2026: 13 hours, 40 minutes, 25 seconds (2026-09-01). Shortest day in this month: 11 hours, 39 minutes , 59 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 45.03° (2026-09-01, 13:24:51). minimal: 33.96° (2026-09-30, 13:14:49)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:34:39 | 13:24:51 | 20:15:04 | 13h 40m 25s |
| 02 | Wednesday | 06:36:22 | 13:24:32 | 20:12:42 | 13h 36m 20s |
| 03 | Thursday | 06:38:05 | 13:24:12 | 20:10:19 | 13h 32m 14s |
| 04 | Friday | 06:39:49 | 13:23:53 | 20:07:56 | 13h 28m 7s |
| 05 | Saturday | 06:41:32 | 13:23:32 | 20:05:33 | 13h 24m 1s |
| 06 | Sunday | 06:43:15 | 13:23:12 | 20:03:09 | 13h 19m 54s |
| 07 | Monday | 06:44:59 | 13:22:52 | 20:00:45 | 13h 15m 46s |
| 08 | Tuesday | 06:46:42 | 13:22:31 | 19:58:20 | 13h 11m 38s |
| 09 | Wednesday | 06:48:25 | 13:22:10 | 19:55:55 | 13h 7m 30s |
| 10 | Thursday | 06:50:08 | 13:21:49 | 19:53:30 | 13h 3m 22s |
| 11 | Friday | 06:51:52 | 13:21:28 | 19:51:05 | 12h 59m 13s |
| 12 | Saturday | 06:53:35 | 13:21:07 | 19:48:39 | 12h 55m 4s |
| 13 | Sunday | 06:55:18 | 13:20:46 | 19:46:13 | 12h 50m 55s |
| 14 | Monday | 06:57:02 | 13:20:24 | 19:43:47 | 12h 46m 45s |
| 15 | Tuesday | 06:58:45 | 13:20:03 | 19:41:21 | 12h 42m 36s |
| 16 | Wednesday | 07:00:29 | 13:19:42 | 19:38:54 | 12h 38m 25s |
| 17 | Thursday | 07:02:12 | 13:19:20 | 19:36:28 | 12h 34m 16s |
| 18 | Friday | 07:03:56 | 13:18:59 | 19:34:02 | 12h 30m 6s |
| 19 | Saturday | 07:05:40 | 13:18:37 | 19:31:35 | 12h 25m 55s |
| 20 | Sunday | 07:07:23 | 13:18:16 | 19:29:08 | 12h 21m 45s |
| 21 | Monday | 07:09:07 | 13:17:55 | 19:26:42 | 12h 17m 35s |
| 22 | Tuesday | 07:10:51 | 13:17:33 | 19:24:15 | 12h 13m 24s |
| 23 | Wednesday | 07:12:36 | 13:17:12 | 19:21:49 | 12h 9m 13s |
| 24 | Thursday | 07:14:20 | 13:16:51 | 19:19:23 | 12h 5m 3s |
| 25 | Friday | 07:16:04 | 13:16:30 | 19:16:57 | 12h 0m 53s |
| 26 | Saturday | 07:17:49 | 13:16:10 | 19:14:31 | 11h 56m 42s |
| 27 | Sunday | 07:19:34 | 13:15:49 | 19:12:05 | 11h 52m 31s |
| 28 | Monday | 07:21:19 | 13:15:29 | 19:09:39 | 11h 48m 20s |
| 29 | Tuesday | 07:23:04 | 13:15:09 | 19:07:14 | 11h 44m 10s |
| 30 | Wednesday | 07:24:50 | 13:14:49 | 19:04:49 | 11h 39m 59s |