September weather forecastØrnes, Norway
September
Weather in September
The first month of the autumn, September, is still a cool month in Ørnes, Norway, with temperature in the range of an average high of 11.1°C (52°F) and an average low of 8.1°C (46.6°F).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a moderate 14.1°C (57.4°F) in August to a cool 11.1°C (52°F). Ørnes observes a minimal variance in temperature, with a consistent average low of 8.1°C (46.6°F) during the nights of September.Humidity
The average relative humidity in September is 78%.Rainfall
In Ørnes, Norway, during September, the rain falls for 16.8 days and regularly aggregates up to 54mm (2.13") of precipitation. In Ørnes, during the entire year, the rain falls for 164.1 days and collects up to 790mm (31.1") of precipitation.Snowfall
In Ørnes, snow does not fall in July through September.Sea temperature
In Ørnes, the average seawater temperature in September is 11.7°C (53.1°F).Note: Taking a dip in 11.7°C (53.1°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
In Ørnes, the average length of the day in September is 13h and 9min.On the first day of September, sunrise is at 05:38 and sunset at 20:31. On the last day of the month, sunrise is at 07:15 and sunset at 18:34 CEST.
Sunshine
In September, the average sunshine in Ørnes is 6.3h.UV index
In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in September translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ørnes, Norway
- Average high temperature in September: 11.1°C
The warmest month (with the highest average high temperature) is August (14.1°C).
The month with the lowest average high temperature is February (-1.1°C).
- Average low temperature in September: 8.1°C
The months with the highest average low temperature are July and August (10.3°C).
The coldest month (with the lowest average low temperature) is February (-4.4°C).
Average pressure in September
Ørnes, Norway
- Average pressure in September: 1009.4mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1001.8mbar).
Average wind speed in September
Ørnes, Norway
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Ørnes, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is April (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Ørnes, Norway
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is March (88mm).
The driest month (with the least rainfall) is May (53mm).
Average rainfall days in September
Ørnes, Norway
- Average rainfall days in September: 16.8 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Ørnes, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (228mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Ørnes, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (15.4 days).
The months with the least snowfall days are July, August and September (0 days).
Average sea temperature in September
Ørnes, Norway
- Average sea temperature in September: 11.7°C
The best month for swimming (with the highest average sea temperature) is July (13.8°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).
Average daylight in September /
Average sunshine in September
Ørnes, Norway
- Average daylight in September: 13h and 12min
The month with the longest days is May (Average daylight: 19h and 54min).
The month with the shortest days is June (Average daylight: 1h and 30min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is May (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in September
Ørnes, Norway
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is April (9.2 days).
Average UV index in September
Ørnes, Norway
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Ørnes, Norway
- Average cloud cover in September: 57
The month with the most cloud cover is March (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 53).
Average visibility in September
Ørnes, Norway
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).





