September weather forecastArnsberg, Germany
September
Weather in September
September, the first month of the autumn in Arnsberg, is still a refreshing month, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 9.5°C (49.1°F).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of an agreeable 22.6°C (72.7°F) in August to an enjoyable 18.3°C (64.9°F). The average low-temperature of 9.5°C (49.1°F) is witnessed during September.Humidity
The average relative humidity in September in Arnsberg is 80%.Rainfall
April and September are months with the least rain in Arnsberg when the rain falls for 13.6 days and typically aggregates up to 25mm (0.98") of rain.Snowfall
In Arnsberg, snow does not fall in June through September.Daylight
In September, the average length of the day in Arnsberg, Germany, is 12h and 38min.On the first day of September in Arnsberg, sunrise is at 06:41 and sunset at 20:13. On the last day of the month, sunrise is at 07:27 and sunset at 19:07 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arnsberg, Germany
- Average high temperature in September: 18.3°C
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
Arnsberg, 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
Arnsberg, 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
Arnsberg, 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
Arnsberg, 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
Arnsberg, 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
Arnsberg, 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
Arnsberg, 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
Arnsberg, 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: 7h and 54min).
- 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
Arnsberg, 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
Arnsberg, 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).
Average cloud cover in September
Arnsberg, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Arnsberg, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January and December (7km).
