Average data for 10 years
1 September
Monday
+18°
+12°
2 September
Tuesday
+18°
+12°
3 September
Wednesday
+18°
+13°
4 September
Thursday
+18°
+13°
5 September
Friday
+19°
+12°
6 September
Saturday
+18°
+13°
7 September
Sunday
+18°
+13°
8 September
Monday
+18°
+12°
9 September
Tuesday
+18°
+12°
10 September
Wednesday
+18°
+12°
11 September
Thursday
+17°
+12°
12 September
Friday
+17°
+12°
13 September
Saturday
+17°
+11°
14 September
Sunday
+17°
+11°
15 September
Monday
+17°
+11°
16 September
Tuesday
+17°
+11°
17 September
Wednesday
+17°
+11°
18 September
Thursday
+17°
+11°
19 September
Friday
+17°
+11°
20 September
Saturday
+17°
+11°
21 September
Sunday
+17°
+11°
22 September
Monday
+16°
+11°
23 September
Tuesday
+16°
+11°
24 September
Wednesday
+16°
+10°
25 September
Thursday
+16°
+10°
26 September
Friday
+16°
+11°
27 September
Saturday
+15°
+11°
28 September
Sunday
+16°
+11°
29 September
Monday
+16°
+11°
30 September
Tuesday
+16°
+11°
Cities near you
United Kingdom
London
Ireland
Dublin
United Kingdom
Manchester
United Kingdom
Liverpool
United Kingdom
Trowbridge
Cities with similar weather in September
Finland
Helsinki
Latvia
Riga
Estonia
Tallinn
Sweden
Stockholm
Norway
Oslo
In September, the weather in Cardiff is typically warm. Average daily high temperature in September is about 17 degrees above zero. On average, Cardiff has 12 rainy, 9 partly cloudy, 5 sunny, and 4 cloudy days in September. The rains are usually heavy.