September weather forecastSundern, Germany

The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (3.1°C).

Average low temperature in September: 9.5°C

The month with the highest average low temperature is August (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).

Average pressure in September
Sundern, Germany

Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).

Average wind speed in September
Sundern, Germany

Average wind speed in September: 9.5km/h

The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).

Average humidity in September
Sundern, Germany

Average humidity in September: 80%

The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Sundern, Germany

Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is July (44mm).
The driest months (with the least rainfall) are April and September (25mm).

Average rainfall days in September
Sundern, Germany

Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in September
Sundern, Germany

Average snowfall in September: 0mm

The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Sundern, Germany

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Sundern, Germany

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

Average sunshine in September: 8h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).

Average sunshine days in September
Sundern, Germany

Average sunshine days in September: 12.5 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is December (10 days).

Average UV index in September
Sundern, Germany

Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).