Daylight duration
We show daylight length in São Tomé during September 2025 and the daylight length for the equinox and solstice for comparing. From September 1, 2025 until September 21, 2025, daylight becomes shorter. From September 22, 2025 until September 23, 2025, daylight becomes shorter. From September 24, 2025 until September 27, 2025, daylight becomes shorter. From September 28, 2025 until September 30, 2025, daylight becomes shorter.
Sunrise and Sunset
Times of sunrise and sunset in São Tomé during September 2025.
Taking September 1, 2025 as reference, the sun rises at 05:29:45 at 81.82°ENE (East-northeast) and sets at 17:36:42 at 338.95°NNW (North-northwest). Sunrise and sunset take approximately 2.15 minutes to complete. Read more about sunrise and sunset.
Taking September 15, 2025 as reference, the sun rises at 05:25:07 at 87.07°ENE (East-northeast) and sets at 17:31:44 at 25.67°NNE (North-northeast). Sunrise and sunset take approximately 2.13 minutes to complete. Read more about sunrise and sunset.
Solar Events
| 2025 | Daylength | Dawn | Sunset | Solar Noon | Sunrise | Dusk | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep | Length | Difference | Ast. | Nau. | Civ. | Start | Azimuth | End | Start | Azimuth | End | Civ. | Nau. | Ast. | |
| 1 | 12h 06m 57s | - | 04:20 | 04:44 | 05:08 | 05:29 | 82°ENE | 05:31 | 11:33 | 17:34 | 339°NNE | 17:36 | 17:57 | 18:21 | 18:46 |
| 2 | 12h 06m 56s | -1s | 04:20 | 04:44 | 05:08 | 05:29 | 82°ENE | 05:31 | 11:32 | 17:34 | 340°NNE | 17:36 | 17:57 | 18:21 | 18:45 |
| 3 | 12h 06m 54s | -2s | 04:19 | 04:44 | 05:08 | 05:29 | 83°ENE | 05:31 | 11:32 | 17:33 | 341°NNE | 17:36 | 17:56 | 18:21 | 18:45 |
| 4 | 12h 06m 53s | -1s | 04:19 | 04:43 | 05:07 | 05:28 | 83°ENE | 05:30 | 11:32 | 17:33 | 343°NNE | 17:35 | 17:56 | 18:20 | 18:44 |
| 5 | 12h 06m 51s | -2s | 04:19 | 04:43 | 05:07 | 05:28 | 83°ENE | 05:30 | 11:31 | 17:33 | 345°NNE | 17:35 | 17:56 | 18:20 | 18:44 |
| 6 | 12h 06m 49s | -2s | 04:19 | 04:43 | 05:07 | 05:28 | 84°ENE | 05:30 | 11:31 | 17:32 | 346°NNE | 17:34 | 17:55 | 18:19 | 18:44 |
| 7 | 12h 06m 48s | -1s | 04:18 | 04:42 | 05:07 | 05:27 | 84°ENE | 05:29 | 11:31 | 17:32 | 349°NNE | 17:34 | 17:55 | 18:19 | 18:43 |
| 8 | 12h 06m 47s | -1s | 04:18 | 04:42 | 05:06 | 05:27 | 84°ENE | 05:29 | 11:30 | 17:32 | 351°NNE | 17:34 | 17:55 | 18:19 | 18:43 |
| 9 | 12h 06m 45s | -2s | 04:18 | 04:42 | 05:06 | 05:27 | 85°ENE | 05:29 | 11:30 | 17:31 | 354°NNE | 17:33 | 17:54 | 18:18 | 18:42 |
| 10 | 12h 06m 44s | -1s | 04:17 | 04:42 | 05:06 | 05:26 | 85°ENE | 05:28 | 11:30 | 17:31 | 357°NNE | 17:33 | 17:54 | 18:18 | 18:42 |
| 11 | 12h 06m 43s | -1s | 04:17 | 04:41 | 05:05 | 05:26 | 86°ENE | 05:28 | 11:29 | 17:31 | 1°NNE | 17:33 | 17:53 | 18:17 | 18:42 |
| 12 | 12h 06m 41s | -2s | 04:17 | 04:41 | 05:05 | 05:26 | 86°ENE | 05:28 | 11:29 | 17:30 | 6°NNE | 17:32 | 17:53 | 18:17 | 18:41 |
| 13 | 12h 06m 40s | -1s | 04:17 | 04:41 | 05:05 | 05:25 | 86°ENE | 05:27 | 11:29 | 17:30 | 12°NNE | 17:32 | 17:53 | 18:17 | 18:41 |
| 14 | 12h 06m 39s | -1s | 04:16 | 04:40 | 05:04 | 05:25 | 87°ENE | 05:27 | 11:28 | 17:29 | 18°NNE | 17:32 | 17:52 | 18:16 | 18:40 |
| 15 | 12h 06m 37s | -2s | 04:16 | 04:40 | 05:04 | 05:25 | 87°ENE | 05:27 | 11:28 | 17:29 | 26°NNE | 17:31 | 17:52 | 18:16 | 18:40 |
| 16 | 12h 06m 36s | -1s | 04:16 | 04:40 | 05:04 | 05:24 | 87°ENE | 05:26 | 11:28 | 17:29 | 34°NNE | 17:31 | 17:52 | 18:16 | 18:40 |
| 17 | 12h 06m 35s | -1s | 04:15 | 04:39 | 05:03 | 05:24 | 88°ENE | 05:26 | 11:27 | 17:28 | 43°NNE | 17:31 | 17:51 | 18:15 | 18:39 |
| 18 | 12h 06m 34s | -1s | 04:15 | 04:39 | 05:03 | 05:24 | 88°ENE | 05:26 | 11:27 | 17:28 | 53°NNE | 17:30 | 17:51 | 18:15 | 18:39 |
| 19 | 12h 06m 33s | -1s | 04:15 | 04:39 | 05:03 | 05:23 | 89°ENE | 05:25 | 11:27 | 17:28 | 62°NNE | 17:30 | 17:50 | 18:14 | 18:38 |
| 20 | 12h 06m 31s | -2s | 04:14 | 04:38 | 05:02 | 05:23 | 89°ENE | 05:25 | 11:26 | 17:27 | 70°NNE | 17:29 | 17:50 | 18:14 | 18:38 |
| 21 | 12h 06m 30s | -1s | 04:14 | 04:38 | 05:02 | 05:23 | 89°ENE | 05:25 | 11:26 | 17:27 | 78°NNE | 17:29 | 17:50 | 18:14 | 18:38 |
| 22 | 12h 06m 30s | - | 04:14 | 04:38 | 05:02 | 05:22 | 90°ENE | 05:24 | 11:25 | 17:27 | 85°NNE | 17:29 | 17:49 | 18:13 | 18:37 |
| 23 | 12h 06m 28s | -2s | 04:13 | 04:37 | 05:01 | 05:22 | 90°ENE | 05:24 | 11:25 | 17:26 | 91°NNE | 17:28 | 17:49 | 18:13 | 18:37 |
| 24 | 12h 06m 28s | - | 04:13 | 04:37 | 05:01 | 05:22 | 91°ENE | 05:24 | 11:25 | 17:26 | 95°NNE | 17:28 | 17:49 | 18:13 | 18:37 |
| 25 | 12h 06m 26s | -2s | 04:13 | 04:37 | 05:01 | 05:21 | 91°ENE | 05:23 | 11:24 | 17:25 | 100°NNE | 17:28 | 17:48 | 18:12 | 18:36 |
| 26 | 12h 06m 25s | -1s | 04:12 | 04:36 | 05:00 | 05:21 | 91°ENE | 05:23 | 11:24 | 17:25 | 103°NNE | 17:27 | 17:48 | 18:12 | 18:36 |
| 27 | 12h 06m 24s | -1s | 04:12 | 04:36 | 05:00 | 05:21 | 92°ENE | 05:23 | 11:24 | 17:25 | 106°NNE | 17:27 | 17:48 | 18:12 | 18:36 |
| 28 | 12h 06m 24s | - | 04:11 | 04:35 | 04:59 | 05:20 | 92°ENE | 05:22 | 11:23 | 17:24 | 109°NNE | 17:27 | 17:47 | 18:11 | 18:35 |
| 29 | 12h 06m 23s | -1s | 04:11 | 04:35 | 04:59 | 05:20 | 93°ENE | 05:22 | 11:23 | 17:24 | 111°NNE | 17:26 | 17:47 | 18:11 | 18:35 |
| 30 | 12h 06m 22s | -1s | 04:11 | 04:35 | 04:59 | 05:20 | 93°ENE | 05:22 | 11:23 | 17:24 | 113°NNE | 17:26 | 17:47 | 18:11 | 18:35 |
