Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Froland's September weather features a light decline in high-temperatures, reducing from an enjoyable 18.3°C (64.9°F) in August to a moderate 15.2°C (59.4°F). In September, Froland temperatures settle at a low of 11°C (51.8°F) during the nights, reflecting a minor change from daytime highs.Humidity
In Froland, the average relative humidity in September is 78%.Rainfall
In Froland, Norway, in September, it is raining for 12.6 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, there are 137.7 rainfall days, and 744mm (29.29") of precipitation is accumulated.Snowfall
In Froland, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 49min.On the first day of the month, sunrise is at 06:25 and sunset at 20:25. On the last day of September, sunrise is at 07:28 and sunset at 19:01 CEST.
Sunshine
In Froland, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are September temperatures in Froland?
What is the average humidity in September in Froland?
How many days does it rain in September in Froland?
When it does not snow in Froland?
Does it snow in Froland in September?
What is the average length of the day in September in Froland?
When are sunrise and sunset in September in Froland?
How many hours of sunshine does Froland have in September?
How high is the UV index in September in Froland?
Average temperature in September
Froland, Norway
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is February (1.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Froland, Norway
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Froland, Norway
- Average wind speed in September: 18.3km/h
The windiest month (with the highest average wind speed) is November (21.1km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).
Average humidity in September
Froland, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in September
Froland, Norway
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Froland, Norway
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Froland, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (130mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Froland, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Froland, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Froland, Norway
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is April (19 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in September
Froland, Norway
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Froland, Norway
- Average cloud cover in September: 44
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Froland, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
Froland, Norway
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