sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Valongo, Portugal (Porto), for period: September 2026. Longest day in month: September 2026: 13 hours, 6 minutes, 50 seconds (2026-09-01). Shortest day in this month: 11 hours, 48 minutes , 32 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 57.13° (2026-09-01, 13:34:02). minimal: 46.06° (2026-09-30, 13:24:00)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 07:00:37 | 13:34:02 | 20:07:27 | 13h 6m 50s |
| 02 | Wednesday | 07:01:37 | 13:33:43 | 20:05:49 | 13h 4m 12s |
| 03 | Thursday | 07:02:36 | 13:33:23 | 20:04:10 | 13h 1m 34s |
| 04 | Friday | 07:03:36 | 13:33:03 | 20:02:30 | 12h 58m 54s |
| 05 | Saturday | 07:04:36 | 13:32:43 | 20:00:51 | 12h 56m 15s |
| 06 | Sunday | 07:05:35 | 13:32:23 | 19:59:11 | 12h 53m 36s |
| 07 | Monday | 07:06:35 | 13:32:02 | 19:57:30 | 12h 50m 55s |
| 08 | Tuesday | 07:07:35 | 13:31:42 | 19:55:49 | 12h 48m 14s |
| 09 | Wednesday | 07:08:34 | 13:31:21 | 19:54:08 | 12h 45m 34s |
| 10 | Thursday | 07:09:34 | 13:31:00 | 19:52:26 | 12h 42m 52s |
| 11 | Friday | 07:10:34 | 13:30:39 | 19:50:44 | 12h 40m 10s |
| 12 | Saturday | 07:11:33 | 13:30:18 | 19:49:02 | 12h 37m 29s |
| 13 | Sunday | 07:12:33 | 13:29:56 | 19:47:20 | 12h 34m 47s |
| 14 | Monday | 07:13:33 | 13:29:35 | 19:45:37 | 12h 32m 4s |
| 15 | Tuesday | 07:14:33 | 13:29:14 | 19:43:55 | 12h 29m 22s |
| 16 | Wednesday | 07:15:33 | 13:28:52 | 19:42:12 | 12h 26m 39s |
| 17 | Thursday | 07:16:33 | 13:28:31 | 19:40:29 | 12h 23m 56s |
| 18 | Friday | 07:17:33 | 13:28:09 | 19:38:46 | 12h 21m 13s |
| 19 | Saturday | 07:18:33 | 13:27:48 | 19:37:03 | 12h 18m 30s |
| 20 | Sunday | 07:19:33 | 13:27:27 | 19:35:20 | 12h 15m 47s |
| 21 | Monday | 07:20:34 | 13:27:05 | 19:33:37 | 12h 13m 3s |
| 22 | Tuesday | 07:21:34 | 13:26:44 | 19:31:54 | 12h 10m 20s |
| 23 | Wednesday | 07:22:35 | 13:26:23 | 19:30:11 | 12h 7m 36s |
| 24 | Thursday | 07:23:35 | 13:26:02 | 19:28:29 | 12h 4m 54s |
| 25 | Friday | 07:24:36 | 13:25:41 | 19:26:46 | 12h 2m 10s |
| 26 | Saturday | 07:25:38 | 13:25:21 | 19:25:04 | 11h 59m 26s |
| 27 | Sunday | 07:26:39 | 13:25:00 | 19:23:21 | 11h 56m 42s |
| 28 | Monday | 07:27:40 | 13:24:40 | 19:21:39 | 11h 53m 59s |
| 29 | Tuesday | 07:28:42 | 13:24:20 | 19:19:58 | 11h 51m 16s |
| 30 | Wednesday | 07:29:44 | 13:24:00 | 19:18:16 | 11h 48m 32s |