September weather forecastViskafors, Sweden
September
Weather in September
September, the first month of the autumn in Viskafors, is still a mild month, with an average temperature ranging between min 8.4°C (47.1°F) and max 15.5°C (59.9°F).Temperature
During the shift to September, Viskafors records a mild decrease in average high-temperature, moving from an enjoyable 19.6°C (67.3°F) in August to a still refreshing 15.5°C (59.9°F). Viskafors's temperature tends to fall to an average low of 8.4°C (47.1°F) during the nights of September.Humidity
In September, the average relative humidity is 84%.Rainfall
In September, in Viskafors, the rain falls for 14.7 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, there are 161.2 rainfall days, and 534mm (21.02") of precipitation is accumulated.Snowfall
In Viskafors, snow does not fall in June through September.Daylight
In Viskafors, Sweden, the average length of the day in September is 12h and 47min.On the first day of September in Viskafors, Sweden, sunrise is at 06:10 and sunset at 20:06. On the last day of the month, sunrise is at 07:11 and sunset at 18:45 CEST.
Sunshine
In September, the average sunshine in Viskafors is 6.8h.UV index
In Viskafors, 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 radiation for the average person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Viskafors, Sweden
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (11.1°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).
Average pressure in September
Viskafors, Sweden
- Average pressure in September: 1014mbar
The months with the highest atmospheric pressure are April and May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Viskafors, Sweden
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is December (15.8km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in September
Viskafors, Sweden
- Average humidity in September: 84%
The months with the highest relative humidity are November and December (91%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Viskafors, Sweden
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Viskafors, Sweden
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Viskafors, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Viskafors, Sweden
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Viskafors, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The months with the least sunshine are January, February, November and December (Average sunshine: 3h and 0min).
Average sunshine days in September
Viskafors, Sweden
- Average sunshine days in September: 13 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Viskafors, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Viskafors, Sweden
- Average cloud cover in September: 55
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are April and May (Cloud cover 45).
Average visibility in September
Viskafors, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May and June (9km).
The months with the lowest visibility are January, February, March, July, August, September, October, November and December (8km).





