Vitamin D

The sun, month by month

Sunrise and sunset in Madrid in September

On September 1 in Madrid the sun rises at 07:43 and sets at 20:45; on day 30 it rises at 08:13 and sets at 19:55. Over the month the day gets 79 minutes shorter.

In Madrid (40.4° latitude), September 2026 has 30 days whose sun rises at 07:43 and sets at 20:45 on the 1st, and at 08:13 and 19:55 on the 30th. Mid-month the day lasts 12 h 24 min and the sun reaches 52° above the horizon. Vitamin D synthesis is possible between 12:00 and 18:00, which is when the UV index reaches at least 3: at the best moment of the day about 8 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.

Sunrise07:57
Sunset20:21
Golden hour19:45–20:21
Day length12 h 24 min

Where does the sun rise and set in Madrid in September?

Where it risesEast86°
Where it setsWest274°

Mid-September in Madrid: the sun rises in the east — a bearing of 86°, measured from true north — and sets in the west, at 274°. That is 4° north of due east at sunrise, and the same 4° north of due west at sunset. From the 1st to the last day of the month both points shift 15° 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 Madrid. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
107:1507:4320:4521:1313 h 02 min
207:1707:4420:4421:1112 h 59 min
307:1807:4520:4221:1012 h 57 min
407:1907:4620:4021:0812 h 54 min
507:2007:4720:3921:0612 h 51 min
607:2107:4820:3721:0412 h 48 min
707:2207:4920:3521:0312 h 46 min
807:2307:5020:3321:0112 h 43 min
907:2407:5120:3220:5912 h 40 min
1007:2507:5220:3020:5712 h 38 min
1107:2607:5320:2820:5612 h 35 min
1207:2707:5420:2620:5412 h 32 min
1307:2807:5520:2520:5212 h 29 min
1407:2907:5620:2320:5012 h 27 min
1507:3007:5720:2120:4912 h 24 min
1607:3107:5820:1920:4712 h 21 min
1707:3207:5920:1820:4512 h 18 min
1807:3308:0020:1620:4312 h 16 min
1907:3408:0120:1420:4112 h 13 min
2007:3508:0220:1320:4012 h 10 min
2107:3608:0320:1120:3812 h 07 min
2207:3708:0420:0920:3612 h 05 min
2307:3808:0520:0720:3412 h 02 min
2407:3908:0620:0620:3311 h 59 min
2507:4008:0720:0420:3111 h 56 min
2607:4108:0820:0220:2911 h 54 min
2707:4208:1020:0020:2811 h 51 min
2807:4308:1119:5920:2611 h 48 min
2907:4408:1219:5720:2411 h 45 min
3007:4508:1319:5520:2211 h 43 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 Madrid runs from 12:00 to 18:00: with medium skin and a t-shirt, ~8 min at the best moment is enough.

See the Madrid vitamin D guide

Common questions about the sun in Madrid in September

Where does the sun set in Madrid in September?
Mid-September in Madrid: the sun sets in the west, a bearing of 274° measured from true north, which is 4° north of due west. It rises in the east, at 86°. Over the month both points shift 15° south.
How much daylight does Madrid lose in September?
Over September the day gets 79 minutes shorter in Madrid: on September 1 the sun rises at 07:43 and sets at 20:45, and on day 30 it rises at 08:13 and sets at 19:55.
How many hours of daylight does Madrid get in September?
In mid-September the day lasts 12 h 24 min in Madrid, from sunrise at 07:57 to sunset at 20:21. The table has the day length for each of the 30 days of the month.
What time does it start to get light in Madrid in September?
In mid-September the sky starts to get light at 07:30 in Madrid, when the sun is 6° below the horizon, and the sun itself does not rise until 07:57. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Madrid in September?
It's not the same time as sunset. In mid-September in Madrid the sun sets at 20:21, but there is still light: civil twilight does not end until 20:49, 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 Madrid in September?
In mid-September, between 12:00 and 18:00: that is the stretch of the day when the UV index reaches 3 in Madrid, the minimum for the skin to make vitamin D. At the best moment of the day about 8 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.