The temperatures in Mainz in September are comfortable with low of 12°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Mainz during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Mainz in September 2024.
If you’re planning to visit Mainz in the near future, we highly recommend that you review the 14 day weather forecast for Mainz before you arrive.
Temperatures
22° / 12°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
45
mm
Sun Hours
10.3
Hrs
