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
The average high-temperature shows a slight dip in September, from August's refreshing 17.9°C (64.2°F) to a moderate 13.7°C (56.7°F). During the nights in September, Vestfossen experiences a consistent average temperature of 6.1°C (43°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Vestfossen, Norway, in September, it is raining for 14.3 days, with typically 65mm (2.56") of accumulated precipitation. In Vestfossen, Norway, during the entire year, the rain falls for 148.5 days and collects up to 779mm (30.67") of precipitation.Snowfall
In Vestfossen, snow does not fall in June through September.Daylight
In Vestfossen, the average length of the day in September is 12h and 51min.On the first day of the month, sunrise is at 06:17 and sunset at 20:23. On the last day of September, sunrise is at 07:24 and sunset at 18:55 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 3 in September transforms into this advice:
Ensure safety - Sun damage prevention is strongly urged. It's recommended to limit sun exposure when its radiation is at its peak during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Vestfossen in September?
What is the average humidity in September in Vestfossen?
How many days does it rain in September in Vestfossen?
When it does not snow in Vestfossen?
Does it snow in Vestfossen in September?
What is the average length of the day in September in Vestfossen?
When are sunrise and sunset in September in Vestfossen?
How long on average sun shines in September in Vestfossen?
How high is the UV index in September in Vestfossen?
Average temperature in September
Vestfossen, Norway
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in September: 6.1°C
The month with the highest average low temperature is July (9.8°C).
The coldest months (with the lowest average low temperature) are January and February (-8.3°C).
Average pressure in September
Vestfossen, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Vestfossen, Norway
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is January (10.2km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).
Average humidity in September
Vestfossen, Norway
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Vestfossen, Norway
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is November (89mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in September
Vestfossen, Norway
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Vestfossen, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (368mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vestfossen, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vestfossen, Norway
- Average daylight in September: 12h and 5min
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 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Vestfossen, Norway
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Vestfossen, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Vestfossen, Norway
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 44).
Average visibility in September
Vestfossen, Norway
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March and November (7km).
Vestfossen, Norway
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