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
September
Weather in September
Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from an enjoyable 18.3°C (64.9°F) in August to a still refreshing 15.2°C (59.4°F). Bøylefoss's nighttime temperature in September experiences a slight dip from daytime highs, falling to an average of 11°C (51.8°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Bøylefoss, in September, during 12.6 rainfall days, 65mm (2.56") of precipitation is typically accumulated. Throughout the year, in Bøylefoss, Norway, there are 137.7 rainfall days, and 744mm (29.29") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 49min.On the first day of September, sunrise is at 06:24 and sunset at 20:24. On the last day of the month, sunrise is at 07:28 and sunset at 19:01 CEST.
Sunshine
In September, the average sunshine in Bøylefoss is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bøylefoss in September?
What is the average humidity in September in Bøylefoss?
How many days does it rain in September in Bøylefoss?
When it does not snow in Bøylefoss?
Does it snow in Bøylefoss in September?
What is the average length of the day in September in Bøylefoss?
When is the sunrise / sunset in September in Bøylefoss?
How long on average sun shines in September in Bøylefoss?
What is the UV index intensity in September in Bøylefoss?
Average temperature in September
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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 24min).
- 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
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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
Bøylefoss, 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).
