September weather forecastAhlten, Germany
September
Weather in September
September, the first month of the autumn in Ahlten, is also an enjoyable month, with an average temperature fluctuating between 19.4°C (66.9°F) and 11°C (51.8°F).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from a warm 23.8°C (74.8°F) in August to an enjoyable 19.4°C (66.9°F). Throughout the nights in September, an average low-temperature of 11°C (51.8°F) is noted.Humidity
In September, the average relative humidity is 76%.Rainfall
In September, in Ahlten, the rain falls for 12.9 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 169.3 rainfall days, and 410mm (16.14") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Ahlten.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:32 and sunset at 20:07. On the last day of September, sunrise is at 07:20 and sunset at 18:59 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ahlten, Germany
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Ahlten, Germany
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Ahlten, Germany
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (16.4km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Ahlten, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Ahlten, Germany
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Ahlten, Germany
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Ahlten, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (45mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ahlten, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 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
Ahlten, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Ahlten, Germany
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is December (10.9 days).
Average UV index in September
Ahlten, Germany
- Average UV index in September: 4
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
Ahlten, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Ahlten, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
