September weather forecastOlsberg, Germany
September
Weather in September
September, the first month of the autumn in Olsberg, is still a comfortable month, with an average temperature ranging between max 17.1°C (62.8°F) and min 8.4°C (47.1°F).Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from an agreeable 21.6°C (70.9°F) in August to an enjoyable 17.1°C (62.8°F). During September, Olsberg observes a consistent average nighttime temperature of 8.4°C (47.1°F).Humidity
In Olsberg, the average relative humidity in September is 82%.Rainfall
The month with the least rainfall in Olsberg is September, when the rain falls for 13.3 days and typically collects 33mm (1.3") of precipitation.Snowfall
In Olsberg, snow does not fall in June through September.Daylight
In September, the average length of the day in Olsberg is 12h and 38min.On the first day of the month, sunrise is at 06:39 and sunset at 20:11. On the last day of September, sunrise is at 07:25 and sunset at 19:05 CEST.
Sunshine
In September, the average sunshine in Olsberg is 7.8h.UV index
In Olsberg, 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 UV index of 3 during September translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Olsberg, Germany
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is August (11.7°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).
Average pressure in September
Olsberg, Germany
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Olsberg, Germany
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Olsberg, Germany
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (92%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Olsberg, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in September
Olsberg, Germany
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Olsberg, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (246mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Olsberg, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Olsberg, 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: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Olsberg, Germany
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is December (8.3 days).
Average UV index in September
Olsberg, Germany
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Olsberg, Germany
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Olsberg, Germany
- Average visibility in September: 7km
The months with the highest visibility are April, May, June, July and August (8km).
The month with the lowest visibility is January (6km).





