September weather forecastAttendorn, Germany
September
Weather in September
September, the first month of the autumn in Attendorn, is still a comfortable month, with an average temperature ranging between max 18.2°C (64.8°F) and min 9.8°C (49.6°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's agreeable 22.4°C (72.3°F) to an enjoyable 18.2°C (64.8°F). Attendorn experiences a steady low-temperature of 9.8°C (49.6°F) throughout September.Humidity
In Attendorn, the average relative humidity in September is 80%.Rainfall
In Attendorn, in September, it is raining for 14.8 days, with typically 37mm (1.46") of accumulated precipitation. In Attendorn, during the entire year, the rain falls for 174 days and collects up to 608mm (23.94") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:42 and sunset at 20:13. On the last day of September, sunrise is at 07:28 and sunset at 19:08 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 3 in September transforms into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Attendorn, Germany
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in September
Attendorn, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Attendorn, Germany
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Attendorn, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in September
Attendorn, Germany
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is December (73mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Attendorn, Germany
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Attendorn, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (143mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Attendorn, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Attendorn, 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 0min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Attendorn, Germany
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is April (14.4 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Attendorn, 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
Attendorn, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Attendorn, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, June and August (9km).
The months with the lowest visibility are January and December (7km).
