September weather forecastArådalen, Sweden
September
Weather in September
The first month of the autumn, September, is still a cool month in Arådalen, Sweden, with temperature in the range of an average high of 10.6°C (51.1°F) and an average low of 4.3°C (39.7°F).Temperature
During the transition into September, Arådalen observes a decrease in the average high-temperature, falling from a moderate 15.7°C (60.3°F) in August to a cool 10.6°C (51.1°F). Arådalen's average low-temperature during September nights is observed to be a wintry 4.3°C (39.7°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Arådalen, in September, during 11 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 100.5 rainfall days, and 287mm (11.3") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 13mm (0.51") of snow. Throughout the year, there are 103.3 snowfall days, and 974mm (38.35") of snow is accumulated.Daylight
The average length of the day in September is 12h and 58min.On the first day of the month, sunrise is at 05:53 and sunset at 20:17. On the last day of September, sunrise is at 07:12 and sunset at 18:38 CEST.
Sunshine
The average sunshine in September is 7h.UV index
The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 2 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arådalen, Sweden
- Average high temperature in September: 10.6°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 4.3°C
The month with the highest average low temperature is July (8.5°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).
Average pressure in September
Arådalen, Sweden
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed in September
Arådalen, Sweden
- Average wind speed in September: 13.5km/h
The windiest months (with the highest average wind speed) are March and June (14.9km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).
Average humidity in September
Arådalen, Sweden
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is June (71%).
Average rainfall in September
Arådalen, Sweden
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Arådalen, Sweden
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in September
Arådalen, Sweden
- Average snowfall in September: 13mm
The month with the highest snowfall is December (176mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Arådalen, Sweden
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is December (16.5 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Arådalen, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Arådalen, Sweden
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Arådalen, Sweden
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Arådalen, Sweden
- Average cloud cover in September: 55
The months with the most cloud cover are January, February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 50).
Average visibility in September
Arådalen, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (7km).





