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