September weather forecastDal, Norway
September
Weather in September
September, the first month of the autumn in Dal, is still a mild month, with an average temperature ranging between max 14.2°C (57.6°F) and min 6.6°C (43.9°F).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from an enjoyable 18.3°C (64.9°F) in August to a mild 14.2°C (57.6°F). In September, Dal reports a consistent average low-temperature of 6.6°C (43.9°F) during the nights.Humidity
The average relative humidity in September in Dal, Norway, is 81%.Rainfall
In Dal, in September, it is raining for 11.5 days, with typically 28mm (1.1") of accumulated precipitation. In Dal, during the entire year, the rain falls for 138.7 days and collects up to 344mm (13.54") of precipitation.Snowfall
June through September are months without snowfall in Dal.Daylight
In Dal, 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 20:19. On the last day of September, sunrise is at 07:19 and sunset at 18:50 CEST.
Sunshine
In Dal, the average sunshine in September is 7.3h.UV index
In Dal, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dal, Norway
- Average high temperature in September: 14.2°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 (-3.2°C).
- Average low temperature in September: 6.6°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (-8.1°C).
Average pressure in September
Dal, Norway
- Average pressure in September: 1012.6mbar
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
Dal, Norway
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is May (9.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in September
Dal, 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 (71%).
Average rainfall in September
Dal, Norway
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is January (16mm).
Average rainfall days in September
Dal, Norway
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Dal, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Dal, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dal, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).
Average sunshine days in September
Dal, Norway
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in September
Dal, 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 January, February, March and December (UV index 1).
Average cloud cover in September
Dal, Norway
- Average cloud cover in September: 52
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Dal, Norway
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The month with the lowest visibility is February (5km).





