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