Average data for 10 years
1 September
Monday
+18°
+11°
2 September
Tuesday
+18°
+11°
3 September
Wednesday
+19°
+11°
4 September
Thursday
+19°
+11°
5 September
Friday
+19°
+11°
6 September
Saturday
+19°
+12°
7 September
Sunday
+19°
+12°
8 September
Monday
+19°
+12°
9 September
Tuesday
+18°
+11°
10 September
Wednesday
+18°
+11°
11 September
Thursday
+18°
+11°
12 September
Friday
+18°
+11°
13 September
Saturday
+17°
+11°
14 September
Sunday
+17°
+10°
15 September
Monday
+17°
+10°
16 September
Tuesday
+17°
+10°
17 September
Wednesday
+16°
+10°
18 September
Thursday
+16°
+10°
19 September
Friday
+16°
+10°
20 September
Saturday
+16°
+10°
21 September
Sunday
+16°
+9°
22 September
Monday
+17°
+9°
23 September
Tuesday
+16°
+9°
24 September
Wednesday
+16°
+10°
25 September
Thursday
+16°
+9°
26 September
Friday
+16°
+9°
27 September
Saturday
+15°
+9°
28 September
Sunday
+15°
+9°
29 September
Monday
+15°
+9°
30 September
Tuesday
+15°
+9°
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 17 degrees above zero. On average, Flensburg has 13 rainy, 8 partly cloudy, 5 sunny, and 4 cloudy days in September. The rains are usually heavy.