The sun, month by month
Sunrise and sunset in Reykjavik in September
On September 1 in Reykjavik the sun rises at 06:14 and sets at 20:40; on day 30 it rises at 07:41 and sets at 18:53. Over the month the day gets 194 minutes shorter.
Where does the sun rise and set in Reykjavik in September?
Mid-September in Reykjavik: the sun rises in the east — a bearing of 83°, measured from true north — and sets in the west, at 277°. That is 7° north of due east at sunrise, and the same 7° north of due west at sunset. From the 1st to the last day of the month both points shift 27° 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 Reykjavik. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 05:21 | 06:14 | 20:40 | 21:33 | 14 h 26 min |
| 2 | 05:25 | 06:17 | 20:37 | 21:29 | 14 h 19 min |
| 3 | 05:28 | 06:20 | 20:33 | 21:25 | 14 h 13 min |
| 4 | 05:32 | 06:23 | 20:29 | 21:21 | 14 h 06 min |
| 5 | 05:35 | 06:26 | 20:25 | 21:17 | 13 h 59 min |
| 6 | 05:39 | 06:29 | 20:22 | 21:13 | 13 h 52 min |
| 7 | 05:42 | 06:32 | 20:18 | 21:09 | 13 h 46 min |
| 8 | 05:45 | 06:35 | 20:14 | 21:05 | 13 h 39 min |
| 9 | 05:48 | 06:38 | 20:11 | 21:01 | 13 h 32 min |
| 10 | 05:52 | 06:41 | 20:07 | 20:57 | 13 h 26 min |
| 11 | 05:55 | 06:44 | 20:03 | 20:53 | 13 h 19 min |
| 12 | 05:58 | 06:47 | 19:59 | 20:49 | 13 h 12 min |
| 13 | 06:01 | 06:50 | 19:56 | 20:45 | 13 h 05 min |
| 14 | 06:05 | 06:53 | 19:52 | 20:41 | 12 h 59 min |
| 15 | 06:08 | 06:56 | 19:48 | 20:37 | 12 h 52 min |
| 16 | 06:11 | 06:59 | 19:45 | 20:33 | 12 h 45 min |
| 17 | 06:14 | 07:02 | 19:41 | 20:29 | 12 h 39 min |
| 18 | 06:17 | 07:05 | 19:37 | 20:25 | 12 h 32 min |
| 19 | 06:20 | 07:08 | 19:33 | 20:21 | 12 h 25 min |
| 20 | 06:23 | 07:11 | 19:30 | 20:18 | 12 h 19 min |
| 21 | 06:26 | 07:14 | 19:26 | 20:14 | 12 h 12 min |
| 22 | 06:29 | 07:17 | 19:22 | 20:10 | 12 h 05 min |
| 23 | 06:32 | 07:20 | 19:19 | 20:06 | 11 h 59 min |
| 24 | 06:35 | 07:23 | 19:15 | 20:03 | 11 h 52 min |
| 25 | 06:38 | 07:26 | 19:11 | 19:59 | 11 h 45 min |
| 26 | 06:41 | 07:29 | 19:08 | 19:55 | 11 h 39 min |
| 27 | 06:44 | 07:32 | 19:04 | 19:51 | 11 h 32 min |
| 28 | 06:47 | 07:35 | 19:00 | 19:48 | 11 h 25 min |
| 29 | 06:50 | 07:38 | 18:57 | 19:44 | 11 h 19 min |
| 30 | 06:53 | 07:41 | 18:53 | 19:40 | 11 h 12 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in September?
In September the sun doesn't climb high enough in Reykjavik for vitamin D synthesis: the season to mind your diet or consider supplementation.
See the Reykjavik vitamin D guideCommon questions about the sun in Reykjavik in September
- Where does the sun set in Reykjavik in September?
- Mid-September in Reykjavik: the sun sets in the west, a bearing of 277° measured from true north, which is 7° north of due west. It rises in the east, at 83°. Over the month both points shift 27° south.
- How much daylight does Reykjavik lose in September?
- Over September the day gets 194 minutes shorter in Reykjavik: on September 1 the sun rises at 06:14 and sets at 20:40, and on day 30 it rises at 07:41 and sets at 18:53.
- How many hours of daylight does Reykjavik get in September?
- In mid-September the day lasts 12 h 52 min in Reykjavik, from sunrise at 06:56 to sunset at 19:48. The table has the day length for each of the 30 days of the month.
- What time does it start to get light in Reykjavik in September?
- In mid-September the sky starts to get light at 06:08 in Reykjavik, 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 Reykjavik in September?
- It's not the same time as sunset. In mid-September in Reykjavik the sun sets at 19:48, but there is still light: civil twilight does not end until 20:37, 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 Reykjavik in September?
- At no time of day. Not even at midday on September 15 does the UV index reach 3 in Reykjavik, and below that minimum the skin makes no vitamin D, however long you stay out. In September it is the season to mind your diet or consider supplementation.