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