September weather forecastTrolldalen, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Trolldalen, Sweden, with an average temperature fluctuating between 15.6°C (60.1°F) and 10.3°C (50.5°F).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from an agreeable 20.1°C (68.2°F) in August to a mild 15.6°C (60.1°F). During the month of September, Trolldalen anticipates a mean low-temperature of 10.3°C (50.5°F).Humidity
In Trolldalen, Sweden, the average relative humidity in September is 80%.Rainfall
In Trolldalen, in September, during 13.4 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Trolldalen, during the entire year, the rain falls for 151.7 days and collects up to 403mm (15.87") of precipitation.Snowfall
In Trolldalen, Sweden, snow does not fall in June through September.Daylight
In September, the average length of the day in Trolldalen is 12h and 50min.On the first day of September in Trolldalen, sunrise is at 05:45 and sunset at 19:49. On the last day of the month, sunrise is at 06:51 and sunset at 18:23 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Trolldalen, Sweden
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure in September
Trolldalen, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Trolldalen, Sweden
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is December (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).
Average humidity in September
Trolldalen, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Trolldalen, Sweden
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Trolldalen, Sweden
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in September
Trolldalen, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (98mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Trolldalen, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Trolldalen, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Trolldalen, Sweden
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in September
Trolldalen, 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
Trolldalen, Sweden
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Trolldalen, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
