September weather forecast and climate
Mainz, Germany

What is the temperature in September in Mainz?

In September, the average high-temperature is 20.1°C (68.2°F), and the average low-temperature is 10.3°C (50.5°F).

How much does it rain in Mainz in September?

Throughout September, in Mainz, Germany, 41mm (1.6") of precipitation is accumulated.
Average temperature in September - Mainz, Germany
  • Average high temperature in September: 20.1°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in September: 10.3°C

The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).

Average rainfall in September - Mainz, Germany
  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the lowest rainfall) is February (36mm).

Average daylight in September - Mainz, Germany
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.3h).
The month with shortest days is December (Average daylight: 8.2h).

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