Average data for 10 years
1 September
Monday
+17°
+10°
2 September
Tuesday
+17°
+10°
3 September
Wednesday
+18°
+10°
4 September
Thursday
+18°
+10°
5 September
Friday
+18°
+10°
6 September
Saturday
+17°
+11°
7 September
Sunday
+18°
+11°
8 September
Monday
+18°
+10°
9 September
Tuesday
+18°
+10°
10 September
Wednesday
+17°
+10°
11 September
Thursday
+17°
+10°
12 September
Friday
+17°
+10°
13 September
Saturday
+16°
+9°
14 September
Sunday
+16°
+9°
15 September
Monday
+16°
+9°
16 September
Tuesday
+16°
+9°
17 September
Wednesday
+15°
+9°
18 September
Thursday
+15°
+8°
19 September
Friday
+14°
+8°
20 September
Saturday
+15°
+8°
21 September
Sunday
+16°
+8°
22 September
Monday
+15°
+8°
23 September
Tuesday
+15°
+8°
24 September
Wednesday
+14°
+8°
25 September
Thursday
+13°
+7°
26 September
Friday
+13°
+8°
27 September
Saturday
+15°
+8°
28 September
Sunday
+14°
+7°
29 September
Monday
+15°
+8°
30 September
Tuesday
+14°
+8°
Cities with similar weather in September
Belarus
Minsk
Estonia
Tallinn
Belarus
Vitebsk
Kazakhstan
Petropavlovsk
Norway
Oslo
In September, the weather in Altdorf is typically warm. Average daily high temperature in September is about 16 degrees above zero. On average, Altdorf has 16 rainy, 6 cloudy, 4 sunny, and 4 partly cloudy days in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Altdorf.