September weather forecastSlemdal, Norway
September
Weather in September
September, the first month of the autumn in Slemdal, is still a mild month, with temperature in the range of an average low of 7°C (44.6°F) and an average high of 14.5°C (58.1°F).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a refreshing 18.6°C (65.5°F) in August to a mild 14.5°C (58.1°F). Slemdal records a steady low-temperature average of 7°C (44.6°F) during September.Humidity
In September, the average relative humidity is 81%.Rainfall
In Slemdal, during September, the rain falls for 14.8 days and regularly aggregates up to 62mm (2.44") of precipitation. In Slemdal, during the entire year, the rain falls for 142.2 days and collects up to 648mm (25.51") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Slemdal, Norway, the average length of the day in September is 12h and 52min.On the first day of September, sunrise is at 06:13 and sunset at 20:20. On the last day of the month, sunrise is at 07:21 and sunset at 18:52 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
The average daily maximum UV index in September in Slemdal is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slemdal, Norway
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in September: 7°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-8.2°C).
Average pressure in September
Slemdal, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Slemdal, Norway
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Slemdal, Norway
- Average humidity in September: 81%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Slemdal, Norway
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is July (79mm).
The driest months (with the least rainfall) are January and April (27mm).
Average rainfall days in September
Slemdal, Norway
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (22 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in September
Slemdal, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (238mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Slemdal, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Slemdal, 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 18min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Slemdal, Norway
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Slemdal, 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, February, March and December (UV index 1).
Average cloud cover in September
Slemdal, Norway
- Average cloud cover in September: 51
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Slemdal, 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 (6km).
