Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In September, the average high-temperature drops, from a comfortable 16.1°C (61°F) in August, to a fresh 10.8°C (51.4°F). In September, in Risnabben, Sweden, the average low-temperature is 4.3°C (39.7°F).Humidity
In Risnabben, the average relative humidity is 82%.Rainfall
In Risnabben, during September, the rain falls for 13.5 days and regularly aggregates up to 35mm (1.38") of precipitation. In Risnabben, during the entire year, the rain falls for 114.3 days and collects up to 470mm (18.5") of precipitation.Snowfall
January through June, September through December are months with snowfall in Risnabben, Sweden. September is the first month it typically snows in Risnabben. Throughout September, in the average 1.4 snowfall days, it receives 10mm (0.39") of snow. In Risnabben, during the entire year, snow falls for 130.5 days, and aggregates up to 1669mm (65.71") of snow.Daylight
In September, the average length of the day is 13.1h.Sunshine
The average sunshine in September is 6.7h.UV index
In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the average humidity in September in Risnabben?
How much does it rain in Risnabben in September?
When does it start snowing in Risnabben?
How many hours of daylight does Risnabben have in September?
How long on average sun shines in September in Risnabben?
What is the UV index reading in September in Risnabben?
Average temperature in September
Risnabben, Sweden
- Average high temperature in September: 10.8°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-8°C).
- Average low temperature in September: 4.3°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is January (-13.4°C).
Average pressure in September
Risnabben, Sweden
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.1mbar).
Average wind speed in September
Risnabben, Sweden
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is March (12.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10km/h).
Average humidity in September
Risnabben, Sweden
- Average humidity in September: 82%
Months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (64%).
Average rainfall in September
Risnabben, Sweden
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Risnabben, Sweden
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Risnabben, Sweden
- Average snowfall in September: 10mm
The month with the highest snowfall is December (327mm).
Months with the least snowfall are July and August (0mm).
Average snowfall days in September
Risnabben, Sweden
- Average snowfall days in September: 1.4 days
The month with the highest number of snowfall days is January (21.5 days).
Months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Risnabben, Sweden
- Average daylight in September: 13.1h
The month with the longest days is June (Average daylight: 22.2h).
The month with the shortest days is December (Average daylight: 3.6h).
- Average sunshine in September: 6.7h
The month with the most sunshine is July (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 1.3h).
Average sunshine days in September
Risnabben, Sweden
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (14.6 days).
Months with the least sunshine days are March and December (9.4 days).
Average UV index in September
Risnabben, Sweden
- Average UV index in September: 2
Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Risnabben, Sweden
- Average cloud cover in September: 56
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Risnabben, Sweden
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (5km).
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