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 onset of September brings a small shift in high-temperatures, falling from an enjoyable 17.2°C (63°F) in August to a mild 13.3°C (55.9°F). Ler records a mean low-temperature of 7.2°C (45°F) in September.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 15.2 days. Throughout September, 56mm (2.2") of precipitation is accumulated. In Ler, during the entire year, the rain falls for 159.4 days and collects up to 586mm (23.07") of precipitation.Snowfall
June through September are months without snowfall in Ler.Daylight
In September, the average length of the day in Ler, Norway, is 12h and 59min.On the first day of the month, sunrise is at 06:06 and sunset at 20:31. On the last day of September, sunrise is at 07:25 and sunset at 18:51 CEST.
Sunshine
In Ler, the average sunshine in September is 7h.UV index
In Ler, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during September leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Ler?
What is the average humidity in September in Ler?
How much does it rain in Ler in September?
When it does not snow in Ler?
Does it snow in Ler in September?
How many hours of daylight does Ler have in September?
When is the sunrise / sunset in September in Ler?
How many hours of sunshine does Ler have in September?
How high is the UV index in September in Ler?
Average temperature in September
Ler, Norway
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (18.1°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is July (9.4°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in September
Ler, Norway
- Average pressure in September: 1010.8mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1004.1mbar).
Average wind speed in September
Ler, Norway
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is January (12.7km/h).
The calmest month (with the lowest average wind speed) is July (8km/h).
Average humidity in September
Ler, Norway
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May and June (75%).
Average rainfall in September
Ler, Norway
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is November (31mm).
Average rainfall days in September
Ler, Norway
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Ler, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ler, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (12.2 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ler, Norway
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in September: 7h and 0min
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 36min).
Average sunshine days in September
Ler, Norway
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in September
Ler, Norway
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in September
Ler, Norway
- Average cloud cover in September: 53
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 49).
Average visibility in September
Ler, Norway
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April and December (8km).
Ler, Norway
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