September weather forecastVårsta, Sweden
September
Weather in September
September, the first month of the autumn in Vårsta, is still a mild month, with an average temperature varying between 10°C (50°F) and 15.8°C (60.4°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from an agreeable 20.4°C (68.7°F) to a refreshing 15.8°C (60.4°F). During September, Vårsta observes a consistent average nighttime temperature of 10°C (50°F).Humidity
In September, the average relative humidity in Vårsta is 80%.Rainfall
In Vårsta, during September, the rain falls for 13.2 days and regularly aggregates up to 28mm (1.1") of precipitation. In Vårsta, during the entire year, the rain falls for 141.5 days and collects up to 378mm (14.88") of precipitation.Snowfall
June through September are months without snowfall in Vårsta.Daylight
The average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 05:47 and sunset at 19:50. On the last day of the month, sunrise is at 06:52 and sunset at 18:24 CEST.
Sunshine
The average sunshine in September in Vårsta is 8.3h.UV index
In Vårsta, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vårsta, Sweden
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Vårsta, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Vårsta, Sweden
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.8km/h).
Average humidity in September
Vårsta, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Vårsta, Sweden
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Vårsta, Sweden
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Vårsta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (102mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vårsta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vårsta, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 8h 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: 2h and 36min).
Average sunshine days in September
Vårsta, Sweden
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is February (11.9 days).
Average UV index in September
Vårsta, 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
Vårsta, Sweden
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Vårsta, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
