September weather forecastLierfoss, Norway
September
Weather in September
September, the first month of the autumn in Lierfoss, is also a moderate month, with an average temperature ranging between min 7.4°C (45.3°F) and max 14.7°C (58.5°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from 19.2°C (66.6°F) in August to a still refreshing 14.7°C (58.5°F). September brings Lierfoss a consistent average low-temperature of 7.4°C (45.3°F).Humidity
In September, the average relative humidity in Lierfoss, Norway, is 82%.Rainfall
In Lierfoss, Norway, in September, it is raining for 14.7 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 153.5 rainfall days, and 549mm (21.61") of precipitation is accumulated.Snowfall
In Lierfoss, snow does not fall in June through September.Daylight
In Lierfoss, the average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 06:10 and sunset at 20:16. On the last day of September, sunrise is at 07:18 and sunset at 18:49 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In Lierfoss, Norway, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lierfoss, Norway
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-2°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (11.1°C).
The coldest month (with the lowest average low temperature) is February (-6.4°C).
Average pressure in September
Lierfoss, Norway
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is April (1014.2mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Lierfoss, Norway
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is January (11.2km/h).
The calmest months (with the lowest average wind speed) are July and August (9.5km/h).
Average humidity in September
Lierfoss, Norway
- Average humidity in September: 82%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in September
Lierfoss, Norway
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is August (63mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Lierfoss, Norway
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Lierfoss, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (193mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lierfoss, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lierfoss, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Lierfoss, Norway
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is April (14.4 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Lierfoss, Norway
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in September
Lierfoss, Norway
- Average cloud cover in September: 51
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Lierfoss, Norway
- Average visibility in September: 8km
The months with the highest visibility are April, May and June (9km).
The months with the lowest visibility are January and February (6km).
