sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Porto, Portugal , for period: September 2026. Longest day in month: September 2026: 13 hours, 6 minutes, 44 seconds (2026-09-01). Shortest day in this month: 11 hours, 48 minutes , 34 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 57.18° (2026-09-01, 13:34:26). minimal: 46.11° (2026-09-30, 13:24:24)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 07:01:04 | 13:34:26 | 20:07:48 | 13h 6m 44s |
| 02 | Wednesday | 07:02:04 | 13:34:07 | 20:06:10 | 13h 4m 6s |
| 03 | Thursday | 07:03:03 | 13:33:47 | 20:04:31 | 13h 1m 28s |
| 04 | Friday | 07:04:03 | 13:33:27 | 20:02:52 | 12h 58m 49s |
| 05 | Saturday | 07:05:02 | 13:33:07 | 20:01:12 | 12h 56m 10s |
| 06 | Sunday | 07:06:02 | 13:32:47 | 19:59:32 | 12h 53m 30s |
| 07 | Monday | 07:07:01 | 13:32:27 | 19:57:52 | 12h 50m 51s |
| 08 | Tuesday | 07:08:01 | 13:32:06 | 19:56:11 | 12h 48m 10s |
| 09 | Wednesday | 07:09:00 | 13:31:45 | 19:54:30 | 12h 45m 30s |
| 10 | Thursday | 07:10:00 | 13:31:24 | 19:52:48 | 12h 42m 48s |
| 11 | Friday | 07:11:00 | 13:31:03 | 19:51:07 | 12h 40m 7s |
| 12 | Saturday | 07:11:59 | 13:30:42 | 19:49:25 | 12h 37m 26s |
| 13 | Sunday | 07:12:59 | 13:30:21 | 19:47:43 | 12h 34m 44s |
| 14 | Monday | 07:13:58 | 13:29:59 | 19:46:00 | 12h 32m 2s |
| 15 | Tuesday | 07:14:58 | 13:29:38 | 19:44:18 | 12h 29m 20s |
| 16 | Wednesday | 07:15:58 | 13:29:16 | 19:42:35 | 12h 26m 37s |
| 17 | Thursday | 07:16:58 | 13:28:55 | 19:40:52 | 12h 23m 54s |
| 18 | Friday | 07:17:58 | 13:28:34 | 19:39:09 | 12h 21m 11s |
| 19 | Saturday | 07:18:58 | 13:28:12 | 19:37:27 | 12h 18m 29s |
| 20 | Sunday | 07:19:58 | 13:27:51 | 19:35:44 | 12h 15m 46s |
| 21 | Monday | 07:20:58 | 13:27:29 | 19:34:01 | 12h 13m 3s |
| 22 | Tuesday | 07:21:58 | 13:27:08 | 19:32:18 | 12h 10m 20s |
| 23 | Wednesday | 07:22:59 | 13:26:47 | 19:30:35 | 12h 7m 36s |
| 24 | Thursday | 07:24:00 | 13:26:26 | 19:28:53 | 12h 4m 53s |
| 25 | Friday | 07:25:00 | 13:26:05 | 19:27:10 | 12h 2m 10s |
| 26 | Saturday | 07:26:01 | 13:25:45 | 19:25:28 | 11h 59m 27s |
| 27 | Sunday | 07:27:03 | 13:25:24 | 19:23:46 | 11h 56m 43s |
| 28 | Monday | 07:28:04 | 13:25:04 | 19:22:04 | 11h 54m 0s |
| 29 | Tuesday | 07:29:06 | 13:24:44 | 19:20:23 | 11h 51m 17s |
| 30 | Wednesday | 07:30:07 | 13:24:24 | 19:18:41 | 11h 48m 34s |