September weather forecastVännäs, Sweden
September
Weather in September
September, the first month of the autumn in Vännäs, is still a refreshing month, with temperature in the range of an average high of 13.1°C (55.6°F) and an average low of 6.5°C (43.7°F).Temperature
With the arrival of September, Vännäs notices a mild change in the average high-temperature, sliding from August's refreshing 17.9°C (64.2°F) to a moderate 13.1°C (55.6°F). Throughout September, the temperature in Vännäs tends to fall to a consistent average low of 6.5°C (43.7°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Vännäs, during September, the rain falls for 12.7 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 118.3 rainfall days, and 408mm (16.06") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 96.8 snowfall days, and 1199mm (47.2") of snow is accumulated.Daylight
The average length of the day in September in Vännäs is 13h and 1min.On the first day of September in Vännäs, sunrise is at 05:25 and sunset at 19:55. On the last day of the month, sunrise is at 06:48 and sunset at 18:13 CEST.
Sunshine
The average sunshine in September in Vännäs is 7.3h.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 rays for average individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vännäs, Sweden
- Average high temperature in September: 13.1°C
The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 6.5°C
The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is February (-9.6°C).
Average pressure in September
Vännäs, Sweden
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.3mbar).
Average wind speed in September
Vännäs, Sweden
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Vännäs, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Vännäs, Sweden
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Vännäs, Sweden
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Vännäs, Sweden
- Average snowfall in September: 1mm
The month with the highest snowfall is December (259mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Vännäs, Sweden
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Vännäs, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Vännäs, Sweden
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is July (15.9 days).
The months with the least sunshine days are February and April (10.8 days).
Average UV index in September
Vännäs, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Vännäs, Sweden
- Average cloud cover in September: 50
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Vännäs, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).
