September weather forecastSunne, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sunne, Sweden, with temperature in the range of an average high of 15.2°C (59.4°F) and an average low of 7.5°C (45.5°F).Temperature
In September, the average high-temperature marginally drops from a refreshing 19.5°C (67.1°F) in August to a moderate 15.2°C (59.4°F). Sunne throughout September, experiences an average nighttime temperature of 7.5°C (45.5°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Sunne, during September, the rain falls for 13.4 days and regularly aggregates up to 40mm (1.57") of precipitation. Throughout the year, there are 154.2 rainfall days, and 526mm (20.71") of precipitation is accumulated.Snowfall
In Sunne, snow does not fall in June through September.Daylight
In Sunne, the average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 06:04 and sunset at 20:10. On the last day of September, in Sunne, sunrise is at 07:11 and sunset at 18:42 CEST.
Sunshine
In September, the average sunshine in Sunne is 7.4h.UV index
In Sunne, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Adopt protective measures - It is advised to guard against sun damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sunne, Sweden
- Average high temperature in September: 15.2°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 (-1.8°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-6.3°C).
Average pressure in September
Sunne, Sweden
- Average pressure in September: 1012.9mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Sunne, Sweden
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is January (10.8km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Sunne, Sweden
- Average humidity in September: 81%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Sunne, Sweden
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Sunne, Sweden
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Sunne, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (183mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sunne, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sunne, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Sunne, Sweden
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in September
Sunne, 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, November and December (UV index 1).
Average cloud cover in September
Sunne, Sweden
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in September
Sunne, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January and February (6km).





