September weather forecastSvalsta, Sweden
September
Weather in September
September, the first month of the autumn in Svalsta, is still a refreshing month, with temperature in the range of an average low of 10.5°C (50.9°F) and an average high of 15.8°C (60.4°F).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a pleasant 20°C (68°F) in August to a refreshing 15.8°C (60.4°F). The average low-temperature, in September, is a fresh 10.5°C (50.9°F).Humidity
The average relative humidity in September in Svalsta is 79%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Svalsta, Sweden, during the entire year, the rain falls for 144.2 days and collects up to 380mm (14.96") of precipitation.Snowfall
June through September are months without snowfall in Svalsta.Daylight
In Svalsta, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 05:51 and sunset at 19:52. On the last day of September, in Svalsta, Sweden, sunrise is at 06:56 and sunset at 18:28 CEST.
Sunshine
In Svalsta, the average sunshine in September is 8.4h.UV index
In Svalsta, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 in September translates into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. 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
Svalsta, Sweden
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Svalsta, Sweden
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Svalsta, Sweden
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).
Average humidity in September
Svalsta, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (87%).
The months with the lowest relative humidity are May and June (73%).
Average rainfall in September
Svalsta, Sweden
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Svalsta, Sweden
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Svalsta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (66mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Svalsta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Svalsta, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 8h and 24min
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 54min).
Average sunshine days in September
Svalsta, Sweden
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in September
Svalsta, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Svalsta, Sweden
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June and August (Cloud cover 37).
Average visibility in September
Svalsta, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).
