September weather forecastAlken, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Alken, Germany, with temperature in the range of an average low of 9.2°C (48.6°F) and an average high of 19.1°C (66.4°F).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 23.8°C (74.8°F) in August to an enjoyable 19.1°C (66.4°F). An average minimum temperature of 9.2°C (48.6°F) marks the month of September in Alken.Humidity
In September, the average relative humidity in Alken is 79%.Rainfall
In Alken, during September, the rain falls for 9.5 days and regularly aggregates up to 16mm (0.63") of precipitation. In Alken, Germany, during the entire year, the rain falls for 136.4 days and collects up to 244mm (9.61") of precipitation.Snowfall
May through October are months without snowfall in Alken.Daylight
In Alken, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:45 and sunset at 20:14. On the last day of September, in Alken, sunrise is at 07:29 and sunset at 19:10 CEST.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alken, Germany
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).
Average pressure in September
Alken, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in September
Alken, Germany
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Alken, Germany
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in September
Alken, Germany
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (33mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in September
Alken, Germany
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Alken, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Alken, 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 and September (0 days).
Average daylight in September /
Average sunshine in September
Alken, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Alken, Germany
- Average sunshine days in September: 17.5 days
The months with the most sunshine days are April, September and October (17.5 days).
The month with the least sunshine days is December (12.4 days).
Average UV index in September
Alken, 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
Alken, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Alken, 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, February, October, November and December (7km).
