Average data for 10 years
1 September
Sunday
+20°
+15°
2 September
Monday
+21°
+15°
3 September
Tuesday
+20°
+16°
4 September
Wednesday
+20°
+14°
5 September
Thursday
+20°
+14°
6 September
Friday
+18°
+15°
7 September
Saturday
+19°
+15°
8 September
Sunday
+20°
+15°
9 September
Monday
+20°
+15°
10 September
Tuesday
+20°
+16°
11 September
Wednesday
+20°
+15°
12 September
Thursday
+18°
+15°
13 September
Friday
+17°
+14°
14 September
Saturday
+17°
+13°
15 September
Sunday
+17°
+13°
16 September
Monday
+17°
+13°
17 September
Tuesday
+16°
+12°
18 September
Wednesday
+17°
+12°
19 September
Thursday
+17°
+12°
20 September
Friday
+17°
+12°
21 September
Saturday
+17°
+12°
22 September
Sunday
+16°
+13°
23 September
Monday
+17°
+12°
24 September
Tuesday
+17°
+12°
25 September
Wednesday
+17°
+13°
26 September
Thursday
+17°
+12°
27 September
Friday
+17°
+11°
28 September
Saturday
+18°
+13°
29 September
Sunday
+17°
+13°
30 September
Monday
+16°
+12°
Cities with similar weather in September
Czech Republic
Prague
France
Paris
Netherlands
Amsterdam
Germany
Berlin
Germany
Munich
In September, the weather in Mainz is typically warm. Average daily high temperature in September is about 18 degrees above zero. On average, Mainz has 15 partly cloudy, 10 sunny, and 5 rainy days in September. The rains are usually light. September as well as August is considered the most comfortable time to visit Mainz.