September weather forecastAhlen, Germany
September
Weather in September
September, the first month of the autumn in Ahlen, is still a refreshing month, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 10.5°C (50.9°F).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 23.3°C (73.9°F) in August to a refreshing 18.7°C (65.7°F). Ahlen experiences a nighttime temperature average of 10.5°C (50.9°F) during September.Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Ahlen. Rain falls for 8.3 days and accumulates 10mm (0.39") of precipitation.Snowfall
In Ahlen, snow does not fall in May through October.Daylight
The average length of the day in September in Ahlen is 12h and 39min.On the first day of the month, sunrise is at 06:41 and sunset at 20:14. On the last day of September, in Ahlen, sunrise is at 07:28 and sunset at 19:08 CEST.
Sunshine
In September, the average sunshine in Ahlen is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 3 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ahlen, Germany
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in September
Ahlen, Germany
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Ahlen, Germany
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is December (15.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.2km/h).
Average humidity in September
Ahlen, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Ahlen, Germany
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is June (22mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Ahlen, Germany
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is September (8.3 days).
Average snowfall in September
Ahlen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (20mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ahlen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ahlen, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Ahlen, Germany
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Ahlen, Germany
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ahlen, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Ahlen, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, February, May, September, October, November and December (8km).
