weather in germany in september
Weather in Germany in September. The average maximum daytime temperature in Germany in September is a comfortable 19Â°C (66Â°F). There are usually 5 hours of bright sunshine each day, which represents 41% of the 13 hours of daylight. Expect 45mm (1.8 inches) of rainfall across the whole of September with 13 days with some rain falling. Maximum UV levels will be moderate (4 UV index) at midday when the skies are clear. The average night-time temperature is usually a cool 10Â°C (50Â°F). The weather in Germany in September is represented by Berlin.