September weather forecastFon, Norway
September
Weather in September
The first month of the autumn, September, is still a mild month in Fon, Norway, with an average temperature varying between 10.6°C (51.1°F) and 15.3°C (59.5°F).Temperature
Fon records a mild change in average high-temperature during September, easing from a refreshing 18.6°C (65.5°F) in August to a mild 15.3°C (59.5°F). Fon sees a minor drop to an average minimum temperature of 10.6°C (51.1°F) during the night in the month of September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Fon, in September, during 12.8 rainfall days, 64mm (2.52") of precipitation is typically accumulated. Throughout the year, there are 146.5 rainfall days, and 650mm (25.59") of precipitation is accumulated.Snowfall
In Fon, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 50min.On the first day of September, sunrise is at 06:17 and sunset at 20:20. On the last day of the month, sunrise is at 07:23 and sunset at 18:54 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
In Fon, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fon, Norway
- Average high temperature in September: 15.3°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 (0.1°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in September
Fon, Norway
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Fon, Norway
- Average wind speed in September: 16.3km/h
The windiest months (with the highest average wind speed) are November and December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.6km/h).
Average humidity in September
Fon, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in September
Fon, Norway
- Average rainfall in September: 64mm
The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Fon, Norway
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Fon, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (131mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Fon, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fon, Norway
- Average daylight in September: 12h and 48min
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: 8h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Fon, Norway
- Average sunshine days in September: 15 days
The month with the most sunshine days is April (18.3 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in September
Fon, Norway
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Fon, Norway
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are June, July and August (Cloud cover 36).
Average visibility in September
Fon, Norway
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is February (8km).
