September weather forecastBrandval, Norway
September
Weather in September
The first month of the autumn, September, is still a mild month in Brandval, Norway, with an average temperature fluctuating between 6.4°C (43.5°F) and 13.8°C (56.8°F).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a refreshing 18.3°C (64.9°F) in August to a moderate 13.8°C (56.8°F). Throughout the September nights, Brandval encounters a low-temperature of 6.4°C (43.5°F).Humidity
In September, the average relative humidity in Brandval is 82%.Rainfall
In September, the rain falls for 15.9 days. Throughout September, 53mm (2.09") of precipitation is accumulated. In Brandval, during the entire year, the rain falls for 157 days and collects up to 629mm (24.76") of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 87.1 snowfall days, and 1385mm (54.53") of snow is accumulated.Daylight
The average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 06:07 and sunset at 20:16. On the last day of September, sunrise is at 07:16 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine is 6.8h.UV index
In Brandval, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Act with care - The need to guard against sun damage is communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brandval, Norway
- Average high temperature in September: 13.8°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 (-3.3°C).
- Average low temperature in September: 6.4°C
The month with the highest average low temperature is July (10.5°C).
The coldest month (with the lowest average low temperature) is February (-8.1°C).
Average pressure in September
Brandval, Norway
- Average pressure in September: 1012.6mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Brandval, Norway
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is September (9.9km/h).
The calmest months (with the lowest average wind speed) are July and August (8.7km/h).
Average humidity in September
Brandval, Norway
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in September
Brandval, Norway
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is July (70mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Brandval, Norway
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Brandval, Norway
- Average snowfall in September: 1mm
The month with the highest snowfall is January (288mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Brandval, Norway
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Brandval, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in September
Brandval, Norway
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is October (13.1 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Brandval, Norway
- Average UV index in September: 3
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, March, November and December (UV index 1).
Average cloud cover in September
Brandval, Norway
- Average cloud cover in September: 55
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 49).
Average visibility in September
Brandval, Norway
- Average visibility in September: 8km
The month with the highest visibility is June (9km).
The months with the lowest visibility are January and February (5km).





