Vitamin D

The sun, month by month

Sunrise and sunset in Paris in September

On September 1 in Paris the sun rises at 07:09 and sets at 20:31; on day 30 it rises at 07:52 and sets at 19:27. Over the month the day gets 107 minutes shorter.

Sunrise07:30
Sunset20:00
Golden hour19:19–20:00
Day length12 h 30 min

Day by day

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

DayDawnSunriseSunsetDuskDay length
106:3707:0920:3121:0413 h 22 min
206:3807:1120:2921:0113 h 18 min
306:4007:1220:2720:5913 h 15 min
406:4107:1420:2520:5713 h 11 min
506:4307:1520:2220:5513 h 07 min
606:4407:1720:2020:5213 h 04 min
706:4607:1820:1820:5012 h 60 min
806:4707:2020:1620:4812 h 56 min
906:4907:2120:1420:4612 h 53 min
1006:5107:2220:1120:4312 h 49 min
1106:5207:2420:0920:4112 h 45 min
1206:5407:2520:0720:3912 h 42 min
1306:5507:2720:0520:3712 h 38 min
1406:5707:2820:0320:3412 h 34 min
1506:5807:3020:0020:3212 h 30 min
1606:6007:3119:5820:3012 h 27 min
1707:0107:3319:5620:2812 h 23 min
1807:0307:3419:5420:2512 h 19 min
1907:0407:3619:5120:2312 h 16 min
2007:0607:3719:4920:2112 h 12 min
2107:0707:3919:4720:1912 h 08 min
2207:0907:4019:4520:1612 h 05 min
2307:1007:4219:4320:1412 h 01 min
2407:1207:4319:4020:1211 h 57 min
2507:1307:4519:3820:1011 h 54 min
2607:1507:4619:3620:0711 h 50 min
2707:1607:4819:3420:0511 h 46 min
2807:1807:4919:3220:0311 h 42 min
2907:1907:5119:2920:0111 h 39 min
3007:2107:5219:2719:5911 h 35 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 Paris runs from 12:00 to 16:00: with medium skin and a t-shirt, ~13 min at the best moment is enough.

See the Paris vitamin D guide