Average data for 10 years
1 September
Sunday
+17°
+14°
2 September
Monday
+18°
+14°
3 September
Tuesday
+17°
+14°
4 September
Wednesday
+18°
+14°
5 September
Thursday
+19°
+14°
6 September
Friday
+18°
+14°
7 September
Saturday
+18°
+14°
8 September
Sunday
+17°
+14°
9 September
Monday
+18°
+14°
10 September
Tuesday
+18°
+15°
11 September
Wednesday
+18°
+14°
12 September
Thursday
+17°
+14°
13 September
Friday
+17°
+14°
14 September
Saturday
+16°
+14°
15 September
Sunday
+16°
+13°
16 September
Monday
+16°
+13°
17 September
Tuesday
+16°
+13°
18 September
Wednesday
+16°
+12°
19 September
Thursday
+15°
+12°
20 September
Friday
+15°
+12°
21 September
Saturday
+15°
+13°
22 September
Sunday
+16°
+12°
23 September
Monday
+15°
+13°
24 September
Tuesday
+15°
+12°
25 September
Wednesday
+16°
+12°
26 September
Thursday
+15°
+12°
27 September
Friday
+15°
+12°
28 September
Saturday
+16°
+12°
29 September
Sunday
+15°
+12°
30 September
Monday
+15°
+12°
Cities with similar weather in September
Poland
Gdansk
United Kingdom
Looe
Lithuania
Druskininkai
Lithuania
Klaipeda
Austria
Salzburg
In September, the weather in Flensburg is typically warm. Average daily high temperature in September is about 16 degrees above zero. On average, Flensburg has 19 rainy, 7 sunny, and 4 partly cloudy days in September. The rains are usually moderate. September as well as January, February, March, and October is considered the most uncomfortable time to visit Flensburg.