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 comfortable 17.7°C (63.9°F) to a moderate 13.2°C (55.8°F). During September, the average low-temperature is a chilly 6.6°C (43.9°F).Humidity
The average relative humidity in September is 82%.Rainfall
In September, the rain falls for 16.8 days. Throughout September, 76mm (2.99") of precipitation is accumulated. Throughout the year, there are 167.8 rainfall days, and 717mm (28.23") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Byafossen, the average length of the day in September is 13h and 1min.On the first day of the month, sunrise is at 05:58 and sunset at 20:28. On the last day of September, sunrise is at 07:21 and sunset at 18:45 CEST.
Sunshine
In September, the average sunshine in Byafossen, Norway, is 6.7h.UV index
In September, the average daily maximum UV index in Byafossen, Norway, is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 2 during September, leads to the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the usual temperature for Byafossen in September?
What is the average humidity in September in Byafossen?
How much does it rain in Byafossen in September?
When it does not snow in Byafossen?
Does it snow in Byafossen in September?
How many hours of daylight does Byafossen have in September?
When is the sunrise / sunset in September in Byafossen?
How long on average sun shines in September in Byafossen?
What is the UV index reading in September in Byafossen?
Average temperature in September
Byafossen, Norway
- Average high temperature in September: 13.2°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in September: 6.6°C
The month with the highest average low temperature is July (9.5°C).
The coldest month (with the lowest average low temperature) is February (-6.5°C).
Average pressure in September
Byafossen, Norway
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1003.5mbar).
Average wind speed in September
Byafossen, Norway
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is January (11.7km/h).
The calmest months (with the lowest average wind speed) are July and August (8.3km/h).
Average humidity in September
Byafossen, Norway
- Average humidity in September: 82%
The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are May and June (73%).
Average rainfall in September
Byafossen, Norway
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is March (78mm).
The driest month (with the least rainfall) is November (41mm).
Average rainfall days in September
Byafossen, Norway
- Average rainfall days in September: 16.8 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Byafossen, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (275mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Byafossen, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Byafossen, Norway
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Byafossen, Norway
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in September
Byafossen, Norway
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Byafossen, Norway
- Average cloud cover in September: 55
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 50).
Average visibility in September
Byafossen, Norway
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (7km).
Byafossen, Norway
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