September weather forecastKolsva, Sweden
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Kolsva, Sweden, with an average temperature ranging between max 16.5°C (61.7°F) and min 8.9°C (48°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's pleasant 21.2°C (70.2°F) to a refreshing 16.5°C (61.7°F). September nights are marked by an average low-temperature of 8.9°C (48°F).Humidity
The average relative humidity in September in Kolsva is 78%.Rainfall
In Kolsva, in September, during 8.4 rainfall days, 19mm (0.75") of precipitation is typically accumulated. In Kolsva, during the entire year, the rain falls for 107.1 days and collects up to 273mm (10.75") of precipitation.Snowfall
In Kolsva, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 51min.On the first day of September in Kolsva, sunrise is at 05:53 and sunset at 19:58. On the last day of the month, sunrise is at 07:00 and sunset at 18:32 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Kolsva, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kolsva, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-5°C).
Average pressure in September
Kolsva, Sweden
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Kolsva, Sweden
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Kolsva, Sweden
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (68%).
Average rainfall in September
Kolsva, Sweden
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is July (34mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Kolsva, Sweden
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is July (12.7 days).
The months with the least rainy days are January and February (5.8 days).
Average snowfall in September
Kolsva, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (125mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kolsva, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kolsva, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in September
Kolsva, Sweden
- Average sunshine days in September: 20.2 days
The months with the most sunshine days are June and September (20.2 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in September
Kolsva, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Kolsva, Sweden
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 43).
Average visibility in September
Kolsva, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is February (7km).





