September weather forecastBjørnli, Norway
September
Weather in September
September, the first month of the autumn in Bjørnli, is also a fresh month, with an average temperature ranging between min 6.7°C (44.1°F) and max 12.9°C (55.2°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a comfortable 16.3°C (61.3°F) in August to a cool 12.9°C (55.2°F). In the month of September, Bjørnli witnesses a consistent average low-temperature of 6.7°C (44.1°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In September, the rain falls for 15.7 days. Throughout September, 48mm (1.89") of precipitation is accumulated. In Bjørnli, during the entire year, the rain falls for 165.7 days and collects up to 700mm (27.56") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 59min.On the first day of the month, sunrise is at 06:08 and sunset at 20:33. On the last day of September, sunrise is at 07:28 and sunset at 18:54 CEST.
Sunshine
In Bjørnli, the average sunshine in September is 7h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bjørnli, Norway
- Average high temperature in September: 12.9°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 6.7°C
The month with the highest average low temperature is July (9.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.3°C).
Average pressure in September
Bjørnli, Norway
- Average pressure in September: 1010.3mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1003.4mbar).
Average wind speed in September
Bjørnli, Norway
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Bjørnli, Norway
- Average humidity in September: 81%
The months with the highest relative humidity are February and March (87%).
The months with the lowest relative humidity are May and June (77%).
Average rainfall in September
Bjørnli, Norway
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Bjørnli, Norway
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Bjørnli, Norway
- Average snowfall in September: 0mm
The months with the highest snowfall are February and March (245mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bjørnli, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bjørnli, Norway
- 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Bjørnli, Norway
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is July (9 days).
Average UV index in September
Bjørnli, Norway
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January and March (UV index 1).
Average cloud cover in September
Bjørnli, Norway
- Average cloud cover in September: 54
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is November (Cloud cover 51).
Average visibility in September
Bjørnli, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March and April (8km).





