Vitamin D

The sun, month by month

Sunrise and sunset in Helsinki in September

On September 1 in Helsinki the sun rises at 06:18 and sets at 20:21; on day 30 it rises at 07:29 and sets at 18:49. Over the month the day gets 163 minutes shorter.

Sunrise06:53
Sunset19:37
Golden hour18:42–19:37
Day length12 h 44 min

Day by day

All times are local to Helsinki. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
105:3306:1820:2121:0614 h 03 min
205:3606:2120:1821:0313 h 58 min
305:3906:2320:1520:6013 h 52 min
405:4106:2520:1220:5613 h 46 min
505:4406:2820:0920:5313 h 41 min
605:4706:3020:0620:4913 h 35 min
705:4906:3320:0220:4613 h 30 min
805:5206:3519:5920:4313 h 24 min
905:5506:3819:5620:3913 h 18 min
1005:5706:4019:5320:3613 h 13 min
1105:6006:4319:5020:3313 h 07 min
1206:0206:4519:4720:2913 h 01 min
1306:0506:4819:4320:2612 h 56 min
1406:0806:5019:4020:2312 h 50 min
1506:1006:5319:3720:1912 h 44 min
1606:1306:5519:3420:1612 h 39 min
1706:1506:5719:3120:1312 h 33 min
1806:1806:6019:2720:0912 h 27 min
1906:2007:0219:2420:0612 h 22 min
2006:2307:0519:2120:0312 h 16 min
2106:2507:0719:1819:6012 h 11 min
2206:2807:1019:1519:5612 h 05 min
2306:3007:1219:1119:5311 h 59 min
2406:3307:1519:0819:5011 h 54 min
2506:3507:1719:0519:4711 h 48 min
2606:3807:2019:0219:4411 h 42 min
2706:4007:2218:5919:4011 h 37 min
2806:4307:2418:5619:3711 h 31 min
2906:4507:2718:5319:3411 h 26 min
3006:4807:2918:4919:3111 h 20 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 Helsinki for vitamin D synthesis: the season to mind your diet or consider supplementation.

See the Helsinki vitamin D guide