World Resorts Germany Dortmund Weather

Dortmund weather in September

Weather in Dortmund: September

Average day temperature: 67.4°F
Average night temperature: 56.0°F
Number of sunny days: 10 days
Day length: 11.7 - 13.6 hours
Number of rainy days: 3 days
Precipitation totals: 1.8 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 83°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during September were 66.3°F and 56.7°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Dortmund in September is 1.9 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.6 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.7.

Best time for vacation in Dortmund

Sunniest months:
August 11 days
June 10 days
March 10 days
Warmest months:
August 74.3 °F
July 73.1 °F
June 70.5 °F
Coldest months:
January 40.0 °F
February 42.6 °F
December 42.9 °F
Rainiest months:
January 6 days
May 5 days
December 5 days
Windiest months:
December 10.2 mph
February 9.9 mph
January 9.9 mph

Dortmund on a weather map

Dortmund
+41°F
N 3 mph
Feels like: +39°F
Precip.: 0%
Places in Germany:
Name
°F
+34°F
+37°F
+34°F
+34°F
+39°F
+43°F
+41°F
+34°F
+36°F
+34°F
+34°F
+34°F
+34°F
+36°F
+37°F
24 Hours Forecast
Dortmund
Local time: 05:16
December 05, friday
0600
41°F
N
3 mph
0900
41°F
N
2 mph
1200
43°F
N
3 mph
1500
43°F
N
4 mph
1800
41°F
N
5 mph
2100
41°F
N
9 mph
December 06, saturday
0000
41°F
N
11 mph
0300
43°F
N
14 mph
Units of measurement: °C / °F