September weather forecastSlåsta, Sweden
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Slåsta, Sweden, with an average temperature fluctuating between 9.2°C (48.6°F) and 16.2°C (61.2°F).Temperature
September ushers in a minor alteration in Slåsta's climate, with the average high-temperature moving from August's agreeable 20.8°C (69.4°F) to a refreshing 16.2°C (61.2°F). An average low-temperature of 9.2°C (48.6°F) is noted during the nights in September.Humidity
In September, the average relative humidity is 80%.Rainfall
In Slåsta, Sweden, in September, it is raining for 12.8 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Slåsta, Sweden, there are 146.7 rainfall days, and 392mm (15.43") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Slåsta is 12h and 51min.On the first day of September in Slåsta, sunrise is at 05:45 and sunset at 19:51. On the last day of the month, sunrise is at 06:52 and sunset at 18:23 CEST.
Sunshine
In September, the average sunshine in Slåsta is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slåsta, Sweden
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is July (13°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).
Average pressure in September
Slåsta, Sweden
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in September
Slåsta, Sweden
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.3km/h).
Average humidity in September
Slåsta, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and December (89%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Slåsta, Sweden
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Slåsta, Sweden
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Slåsta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Slåsta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Slåsta, Sweden
- Average daylight in September: 12h and 54min
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 6min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Slåsta, Sweden
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (14 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
Slåsta, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Slåsta, Sweden
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Slåsta, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
