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
September reveals a small adjustment in temperature, transitioning from an average high of an enjoyable 17.9°C (64.2°F) in August to a still refreshing 13.7°C (56.7°F). Hvittingfoss, during the month of September, experiences an average low-temperature of 6.1°C (43°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Hvittingfoss, in September, it is raining for 14.3 days, with typically 65mm (2.56") of accumulated precipitation. In Hvittingfoss, Norway, during the entire year, the rain falls for 148.5 days and collects up to 779mm (30.67") of precipitation.Snowfall
In Hvittingfoss, Norway, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 06:17 and sunset at 20:21. On the last day of the month, sunrise is at 07:24 and sunset at 18:55 CEST.
Sunshine
The average sunshine in September in Hvittingfoss, Norway, is 7.4h.UV index
The average daily maximum UV index in September in Hvittingfoss is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 during September translates into the following guidance:
Take precautions - Protection against sunburn is recommended. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are the temperatures in Hvittingfoss in September?
What is the average humidity in September in Hvittingfoss?
How many days does it rain in September in Hvittingfoss?
When it does not snow in Hvittingfoss?
Does it snow in Hvittingfoss in September?
How many hours of daylight does Hvittingfoss have in September?
When is the sunrise / sunset in September in Hvittingfoss?
How many hours of sunshine does Hvittingfoss have in September?
How high is the UV index in September in Hvittingfoss?
Average temperature in September
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- 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
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, 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
Hvittingfoss, 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).
Hvittingfoss, Norway
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