Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A moderate decline in average high-temperatures is noted in September, moving from an agreeable 20.7°C (69.3°F) in August to a comfortable 16.9°C (62.4°F). The low-temperature average for Alken during September stands at a cool 10.2°C (50.4°F).Humidity
The average relative humidity in September is 83%.Rainfall
In September, the rain falls for 8.7 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 138 rainfall days, and 260mm (10.24") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Alken.Daylight
The average length of the day in September is 12h and 45min.On the first day of September in Alken, sunrise is at 06:25 and sunset at 20:14. On the last day of the month, sunrise is at 07:22 and sunset at 18:58 CEST.
Sunshine
The average sunshine in September in Alken is 6.8h.UV index
In September, the average daily maximum UV index in Alken is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the usual temperature for Alken in September?
What is the average humidity in September in Alken?
How many days does it rain in September in Alken?
When it does not snow in Alken?
What is the average length of the day in September in Alken?
When is the sunrise / sunset in September in Alken?
How many hours of sunshine does Alken have in September?
What is the UV index intensity in September in Alken?
Average temperature in September
Alken, Denmark
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).
Average pressure in September
Alken, Denmark
- Average pressure in September: 1014.5mbar
The months with the highest atmospheric pressure are April and May (1015.4mbar).
The month with the lowest atmospheric pressure is December (1010mbar).
Average wind speed in September
Alken, Denmark
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).
Average humidity in September
Alken, Denmark
- Average humidity in September: 83%
The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Alken, Denmark
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (39mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Alken, Denmark
- Average rainfall days in September: 8.7 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Alken, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Alken, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.3 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, Denmark
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in September
Alken, Denmark
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in September
Alken, Denmark
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Alken, Denmark
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in September
Alken, Denmark
- Average visibility in September: 9km
The months with the highest visibility are February, April, May, June, August, September and December (9km).
The months with the lowest visibility are January, March, July, October and November (8km).
Alken, Denmark
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