September weather forecastFinnsnes, Norway
September
Weather in September
September, the first month of the autumn in Finnsnes, is also a frosty month, with an average temperature varying between 6°C (42.8°F) and 9.9°C (49.8°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a refreshing 13.3°C (55.9°F) in August to a chilly 9.9°C (49.8°F). September nights cool to an average low-temperature of 6°C (42.8°F), a marginal decrease from its daytime equivalent.Humidity
The average relative humidity in September in Finnsnes is 82%.Rainfall
In Finnsnes, in September, during 18.8 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Finnsnes, during the entire year, the rain falls for 151.1 days and collects up to 910mm (35.83") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.6 snowfall days, it receives 6mm (0.24") of snow. Throughout the year, there are 109.7 snowfall days, and 2349mm (92.48") of snow is accumulated.Daylight
The average length of the day in September is 13h and 18min.On the first day of the month, sunrise is at 05:10 and sunset at 20:25. On the last day of September, in Finnsnes, sunrise is at 07:00 and sunset at 18:14 CEST.
Sunshine
The average sunshine in September is 5.7h.UV index
In September, the average daily maximum UV index in Finnsnes is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during September translates into the following guidance:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Finnsnes, Norway
- Average high temperature in September: 9.9°C
The warmest month (with the highest average high temperature) is July (14°C).
The months with the lowest average high temperature are January and February (-3.7°C).
- Average low temperature in September: 6°C
The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-7.8°C).
Average pressure in September
Finnsnes, Norway
- Average pressure in September: 1008.9mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1000.8mbar).
Average wind speed in September
Finnsnes, Norway
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is March (17.5km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).
Average humidity in September
Finnsnes, Norway
- Average humidity in September: 82%
The month with the highest relative humidity is April (87%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in September
Finnsnes, Norway
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is March (99mm).
The driest month (with the least rainfall) is July (50mm).
Average rainfall days in September
Finnsnes, Norway
- Average rainfall days in September: 18.8 days
The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Finnsnes, Norway
- Average snowfall in September: 6mm
The month with the highest snowfall is March (485mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Finnsnes, Norway
- Average snowfall days in September: 0.6 days
The month with the highest number of snowfall days is March (21.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Finnsnes, Norway
- Average daylight in September: 13h and 18min
The month with the longest days is August (Average daylight: 17h and 48min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in September: 5h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in September
Finnsnes, Norway
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is January (13.3 days).
The month with the least sunshine days is March (6.7 days).
Average UV index in September
Finnsnes, Norway
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March, October, November and December (UV index 1).
Average cloud cover in September
Finnsnes, Norway
- Average cloud cover in September: 62
The month with the most cloud cover is March (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 57).
Average visibility in September
Finnsnes, Norway
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April and May (8km).
