Average data for 10 years
1 September
Sunday
+10°
+7°
2 September
Monday
+10°
+7°
3 September
Tuesday
+9°
+6°
4 September
Wednesday
+10°
+7°
5 September
Thursday
+10°
+7°
6 September
Friday
+9°
+6°
7 September
Saturday
+10°
+7°
8 September
Sunday
+11°
+8°
9 September
Monday
+11°
+8°
10 September
Tuesday
+11°
+8°
11 September
Wednesday
+12°
+8°
12 September
Thursday
+10°
+9°
13 September
Friday
+10°
+7°
14 September
Saturday
+10°
+8°
15 September
Sunday
+9°
+7°
16 September
Monday
+9°
+6°
17 September
Tuesday
+9°
+6°
18 September
Wednesday
+9°
+7°
19 September
Thursday
+9°
+7°
20 September
Friday
+8°
+6°
21 September
Saturday
+9°
+6°
22 September
Sunday
+7°
+6°
23 September
Monday
+7°
+5°
24 September
Tuesday
+7°
+4°
25 September
Wednesday
+7°
+5°
26 September
Thursday
+7°
+6°
27 September
Friday
+7°
+5°
28 September
Saturday
+8°
+5°
29 September
Sunday
+6°
+5°
30 September
Monday
+7°
+4°
Cities with similar weather in September
Kazakhstan
Petropavlovsk
Kyrgyzstan
Cholpon-Ata
Iceland
Reykyavik
Norway
Oslo
Chile
Santiago
In September, the weather in Tromsø is typically cold. Average daily high temperature in September is about 9 degrees above zero. On average, Tromsø has 23 rainy, 5 sunny, and 2 cloudy days in September. The rains are usually heavy. September as well as April, May, June, and July is considered the most uncomfortable time to visit Tromsø.