September weather forecastIdsal, Norway
September
Weather in September
The first month of the autumn, September, is also a fresh month in Idsal, Norway, with temperature in the range of an average low of 8.4°C (47.1°F) and an average high of 12.5°C (54.5°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a moderate 15.5°C (59.9°F) in August to a cool 12.5°C (54.5°F). In Idsal, nights during September observe an average temperature decrease to a frosty 8.4°C (47.1°F).Humidity
In September, the average relative humidity is 83%.Rainfall
In Idsal, Norway, in September, it is raining for 14.5 days, with typically 55mm (2.17") of accumulated precipitation. In Idsal, during the entire year, the rain falls for 176.7 days and collects up to 673mm (26.5") of precipitation.Snowfall
June through September are months without snowfall in Idsal, Norway.Daylight
In Idsal, the average length of the day in September is 12h and 50min.On the first day of September in Idsal, sunrise is at 06:35 and sunset at 20:36. On the last day of the month, sunrise is at 07:39 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine in Idsal is 6.2h.UV index
In September, the average daily maximum UV index in Idsal is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Act with care - The need to guard against sun damage is communicated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Idsal, Norway
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is July (15.8°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in September: 8.4°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 (-3.9°C).
Average pressure in September
Idsal, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in September
Idsal, Norway
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).
Average humidity in September
Idsal, Norway
- Average humidity in September: 83%
The months with the highest relative humidity are March and December (86%).
The month with the lowest relative humidity is June (77%).
Average rainfall in September
Idsal, Norway
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is December (85mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Idsal, Norway
- Average rainfall days in September: 14.5 days
The months with the highest number of rainy days are August and December (16.5 days).
The month with the least rainy days is February (12.2 days).
Average snowfall in September
Idsal, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Idsal, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Idsal, Norway
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 6h and 12min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
Idsal, Norway
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is April (15.9 days).
The month with the least sunshine days is December (11 days).
Average UV index in September
Idsal, Norway
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in September
Idsal, Norway
- Average cloud cover in September: 55
The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are May and June (Cloud cover 48).
Average visibility in September
Idsal, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





