September weather forecastKnaben, Norway
September
Weather in September
The first month of the autumn, September, is still a mild month in Knaben, Norway, with an average temperature varying between 9.8°C (49.6°F) and 13.8°C (56.8°F).Temperature
The advent of September brings an average high-temperature of a still refreshing 13.8°C (56.8°F), exhibiting minor difference from the previous month. Knaben's average temperature during the nights of September is recorded at a chilly 9.8°C (49.6°F).Humidity
In September, the average relative humidity is 83%.Rainfall
In Knaben, in September, it is raining for 19.2 days, with typically 89mm (3.5") of accumulated precipitation. Throughout the year, in Knaben, there are 193.9 rainfall days, and 1031mm (40.59") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Knaben.Daylight
In Knaben, the average length of the day in September is 12h and 49min.On the first day of September, sunrise is at 06:31 and sunset at 20:31. On the last day of the month, sunrise is at 07:35 and sunset at 19:07 CEST.
Sunshine
In September, the average sunshine is 6.4h.UV index
In September, the average daily maximum UV index in Knaben is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Knaben, Norway
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is July (17.1°C).
The months with the lowest average high temperature are January and February (1.5°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is July (11.5°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).
Average pressure in September
Knaben, Norway
- Average pressure in September: 1012.9mbar
The months with the highest atmospheric pressure are April and May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Knaben, Norway
- Average wind speed in September: 18.1km/h
The windiest month (with the highest average wind speed) is January (22.7km/h).
The calmest month (with the lowest average wind speed) is July (15.4km/h).
Average humidity in September
Knaben, Norway
- Average humidity in September: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Knaben, Norway
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is December (137mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in September
Knaben, Norway
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is December (19.6 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in September
Knaben, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (130mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Knaben, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Knaben, Norway
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 6h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Knaben, Norway
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in September
Knaben, 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 December (UV index 1).
Average cloud cover in September
Knaben, Norway
- Average cloud cover in September: 54
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in September
Knaben, Norway
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
