September weather forecastStråssa, Sweden
September
Weather in September
The first month of the autumn, September, is also a moderate month in Stråssa, Sweden, with an average temperature ranging between min 8.3°C (46.9°F) and max 15.7°C (60.3°F).Temperature
The arrival of September signals a subtle shift in temperature, down from an agreeable 20.3°C (68.5°F) in August to a refreshing 15.7°C (60.3°F). Throughout the month of September, the average temperature in Stråssa dips to a chilly 8.3°C (46.9°F) at night.Humidity
The average relative humidity in September is 80%.Rainfall
In Stråssa, Sweden, in September, during 12 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Stråssa, during the entire year, the rain falls for 132.7 days and collects up to 299mm (11.77") of precipitation.Snowfall
In Stråssa, snow does not fall in June through September.Daylight
In Stråssa, the average length of the day in September is 12h and 51min.On the first day of the month, sunrise is at 05:56 and sunset at 20:01. On the last day of September, in Stråssa, sunrise is at 07:03 and sunset at 18:34 CEST.
Sunshine
In Stråssa, the average sunshine in September is 7.6h.UV index
In Stråssa, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stråssa, Sweden
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is February (-5.3°C).
Average pressure in September
Stråssa, Sweden
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Stråssa, Sweden
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is December (12.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Stråssa, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in September
Stråssa, Sweden
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (39mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Stråssa, Sweden
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Stråssa, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stråssa, Sweden
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stråssa, 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: 7h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Stråssa, Sweden
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is April (16.5 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Stråssa, 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 December (UV index 1).
Average cloud cover in September
Stråssa, Sweden
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are June, July and August (Cloud cover 44).
Average visibility in September
Stråssa, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, November and December (7km).





