The sun, month by month
Sunrise and sunset in Singapore in September
On September 1 in Singapore the sun rises at 07:00 and sets at 19:08; on day 30 it rises at 06:51 and sets at 18:57. Over the month the day barely changes.
In Singapore (1.4° latitude), September 2026 has 30 days whose sun rises at 07:00 and sets at 19:08 on the 1st, and at 06:51 and 18:57 on the 30th. Mid-month the day lasts 12 h 07 min and the sun reaches 89° above the horizon. Vitamin D synthesis is possible between 09:00 and 18:00, which is when the UV index reaches at least 3: at the best moment of the day about 3 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.
Where does the sun rise and set in Singapore in September?
Mid-September in Singapore: the sun rises in the east — a bearing of 88°, measured from true north — and sets in the west, at 272°. That is 2° north of due east at sunrise, and the same 2° north of due west at sunset. From the 1st to the last day of the month both points shift 12° south.
Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.
Day by day
All times are local to Singapore. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 06:39 | 07:00 | 19:08 | 19:29 | 12 h 08 min |
| 2 | 06:39 | 07:00 | 19:08 | 19:29 | 12 h 08 min |
| 3 | 06:39 | 07:00 | 19:08 | 19:28 | 12 h 08 min |
| 4 | 06:38 | 06:59 | 19:07 | 19:28 | 12 h 08 min |
| 5 | 06:38 | 06:59 | 19:07 | 19:28 | 12 h 08 min |
| 6 | 06:38 | 06:59 | 19:06 | 19:27 | 12 h 08 min |
| 7 | 06:38 | 06:58 | 19:06 | 19:27 | 12 h 08 min |
| 8 | 06:37 | 06:58 | 19:06 | 19:26 | 12 h 08 min |
| 9 | 06:37 | 06:58 | 19:05 | 19:26 | 12 h 08 min |
| 10 | 06:37 | 06:57 | 19:05 | 19:26 | 12 h 07 min |
| 11 | 06:36 | 06:57 | 19:04 | 19:25 | 12 h 07 min |
| 12 | 06:36 | 06:57 | 19:04 | 19:25 | 12 h 07 min |
| 13 | 06:36 | 06:56 | 19:04 | 19:24 | 12 h 07 min |
| 14 | 06:35 | 06:56 | 19:03 | 19:24 | 12 h 07 min |
| 15 | 06:35 | 06:56 | 19:03 | 19:23 | 12 h 07 min |
| 16 | 06:35 | 06:55 | 19:02 | 19:23 | 12 h 07 min |
| 17 | 06:34 | 06:55 | 19:02 | 19:23 | 12 h 07 min |
| 18 | 06:34 | 06:55 | 19:02 | 19:22 | 12 h 07 min |
| 19 | 06:34 | 06:54 | 19:01 | 19:22 | 12 h 07 min |
| 20 | 06:33 | 06:54 | 19:01 | 19:21 | 12 h 07 min |
| 21 | 06:33 | 06:54 | 19:00 | 19:21 | 12 h 07 min |
| 22 | 06:33 | 06:53 | 19:00 | 19:21 | 12 h 07 min |
| 23 | 06:32 | 06:53 | 19:00 | 19:20 | 12 h 06 min |
| 24 | 06:32 | 06:53 | 18:59 | 19:20 | 12 h 06 min |
| 25 | 06:32 | 06:52 | 18:59 | 19:19 | 12 h 06 min |
| 26 | 06:31 | 06:52 | 18:58 | 19:19 | 12 h 06 min |
| 27 | 06:31 | 06:52 | 18:58 | 19:19 | 12 h 06 min |
| 28 | 06:31 | 06:51 | 18:58 | 19:18 | 12 h 06 min |
| 29 | 06:30 | 06:51 | 18:57 | 19:18 | 12 h 06 min |
| 30 | 06:30 | 06:51 | 18:57 | 19:18 | 12 h 06 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in September?
In September, the typical synthesis window in Singapore runs from 09:00 to 18:00: with medium skin and a t-shirt, ~3 min at the best moment is enough.
See the Singapore vitamin D guideCommon questions about the sun in Singapore in September
- Where does the sun set in Singapore in September?
- Mid-September in Singapore: the sun sets in the west, a bearing of 272° measured from true north, which is 2° north of due west. It rises in the east, at 88°. Over the month both points shift 12° south.
- How much does day length change in Singapore in September?
- Over September day length barely changes in Singapore: less than four minutes between September 1, with the sun up from 07:00 to 19:08, and day 30, from 06:51 to 18:57.
- How many hours of daylight does Singapore get in September?
- In mid-September the day lasts 12 h 07 min in Singapore, from sunrise at 06:56 to sunset at 19:03. The table has the day length for each of the 30 days of the month.
- What time does it start to get light in Singapore in September?
- In mid-September the sky starts to get light at 06:35 in Singapore, when the sun is 6° below the horizon, and the sun itself does not rise until 06:56. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Singapore in September?
- It's not the same time as sunset. In mid-September in Singapore the sun sets at 19:03, but there is still light: civil twilight does not end until 19:23, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
- What time of day can you make vitamin D in Singapore in September?
- In mid-September, between 09:00 and 18:00: that is the stretch of the day when the UV index reaches 3 in Singapore, the minimum for the skin to make vitamin D. At the best moment of the day about 3 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.