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