September weather forecastÅros, Norway
September
Weather in September
The first month of the autumn, September, is still a mild month in Åros, Norway, with an average temperature fluctuating between 14.6°C (58.3°F) and 7.2°C (45°F).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a refreshing 18.8°C (65.8°F) in August to a moderate 14.6°C (58.3°F). During September, Åros experiences an average low-temperature of 7.2°C (45°F) at night.Humidity
In September, the average relative humidity in Åros is 80%.Rainfall
In Åros, in September, during 10.8 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 123.4 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
In Åros, snow does not fall in June through September.Sea temperature
In Åros, the average seawater temperature in September is 15.4°C (59.7°F).Note: Swimming becomes less enjoyable for most at a surface water temperature of 15.4°C (59.7°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.
Daylight
In September, the average length of the day is 12h and 51min.On the first day of the month, sunrise is at 06:15 and sunset at 20:20. On the last day of September, sunrise is at 07:22 and sunset at 18:53 CEST.
Sunshine
In September, the average sunshine in Åros is 7.8h.UV index
In Åros, Norway, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Åros, Norway
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is July (10.6°C).
The coldest months (with the lowest average low temperature) are January and February (-7.2°C).
Average pressure in September
Åros, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Åros, Norway
- Average wind speed in September: 9.6km/h
The windiest months (with the highest average wind speed) are January and December (10.6km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Åros, Norway
- Average humidity in September: 80%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Åros, Norway
- Average rainfall in September: 35mm
The wettest months (with the highest rainfall) are July and November (42mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Åros, Norway
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (15.2 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall in September
Åros, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Åros, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Åros, Norway
- Average sea temperature in September: 15.4°C
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is March (3°C).
Average daylight in September /
Average sunshine in September
Åros, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in September
Åros, Norway
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is April (19.1 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Åros, Norway
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Åros, Norway
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in September
Åros, Norway
- Average visibility in September: 8km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January, February and March (7km).





