September weather forecastSollefteå, Sweden
September
Weather in September
The first month of the autumn, September, is also a moderate month in Sollefteå, Sweden, with an average temperature varying between 5.5°C (41.9°F) and 13.2°C (55.8°F).Temperature
As August transitions to September, the average high-temperature falls from a refreshing 18.3°C (64.9°F) to a mild 13.2°C (55.8°F). Throughout September, an average low-temperature of 5.5°C (41.9°F) is experienced in Sollefteå.Humidity
The average relative humidity in September is 83%.Rainfall
In Sollefteå, in September, it is raining for 13.1 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 137.4 rainfall days, and 415mm (16.34") of precipitation is accumulated.Snowfall
In Sollefteå, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 59min.On the first day of September, sunrise is at 05:38 and sunset at 20:03. On the last day of the month, sunrise is at 06:57 and sunset at 18:23 CEST.
Sunshine
In Sollefteå, the average sunshine in September is 7.1h.UV index
In Sollefteå, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in September translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sollefteå, Sweden
- Average high temperature in September: 13.2°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is July (10.4°C).
The coldest months (with the lowest average low temperature) are January and February (-9.1°C).
Average pressure in September
Sollefteå, Sweden
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in September
Sollefteå, Sweden
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is June (10.5km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Sollefteå, Sweden
- Average humidity in September: 83%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Sollefteå, Sweden
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (44mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Sollefteå, Sweden
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Sollefteå, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (223mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sollefteå, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sollefteå, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Sollefteå, Sweden
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (15.1 days).
The months with the least sunshine days are February and March (9.8 days).
Average UV index in September
Sollefteå, Sweden
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Sollefteå, Sweden
- Average cloud cover in September: 55
The months with the most cloud cover are January and February (Cloud cover 66).
The months with the least cloud cover are June and July (Cloud cover 45).
Average visibility in September
Sollefteå, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
