Average data for 10 years
1 September
Monday
+13°
+5°
2 September
Tuesday
+13°
+6°
3 September
Wednesday
+13°
+6°
4 September
Thursday
+13°
+6°
5 September
Friday
+13°
+6°
6 September
Saturday
+13°
+6°
7 September
Sunday
+13°
+6°
8 September
Monday
+13°
+7°
9 September
Tuesday
+13°
+6°
10 September
Wednesday
+13°
+6°
11 September
Thursday
+13°
+6°
12 September
Friday
+13°
+6°
13 September
Saturday
+14°
+7°
14 September
Sunday
+14°
+6°
15 September
Monday
+14°
+6°
16 September
Tuesday
+13°
+6°
17 September
Wednesday
+13°
+7°
18 September
Thursday
+14°
+7°
19 September
Friday
+15°
+7°
20 September
Saturday
+14°
+7°
21 September
Sunday
+15°
+7°
22 September
Monday
+15°
+7°
23 September
Tuesday
+14°
+6°
24 September
Wednesday
+13°
+6°
25 September
Thursday
+13°
+5°
26 September
Friday
+14°
+6°
27 September
Saturday
+15°
+6°
28 September
Sunday
+14°
+7°
29 September
Monday
+14°
+7°
30 September
Tuesday
+15°
+7°
Cities with similar weather in September
Finland
Helsinki
Latvia
Riga
Estonia
Tallinn
Sweden
Stockholm
Kyrgyzstan
Cholpon-Ata
September in Swansea is the windiest month of the year. In September, the weather in Swansea is typically warm. Average daily high temperature in September is about 14 degrees above zero. On average, Swansea has 10 rainy, 10 partly cloudy, 9 sunny, and 1 cloudy day in September. The rains are usually moderate. September as well as May, June, July, and August is considered the most uncomfortable time to visit Swansea.