September weather forecastSydalen, Norway
September
Weather in September
The first month of the autumn, September, is also a fresh month in Sydalen, Norway, with an average temperature fluctuating between 11.3°C (52.3°F) and 9.3°C (48.7°F).Temperature
Sydalen's transition from August to September introduces an average high-temperature of a cool 11.3°C (52.3°F), marking an insignificant variation from the 13.5°C (56.3°F). Sydalen's September nights observe a minor shift from the daytime temperatures, resulting in an average dip to a chilly 9.3°C (48.7°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 19.3 days. Throughout September, 88mm (3.46") of precipitation is accumulated. Throughout the year, there are 178.7 rainfall days, and 963mm (37.91") of precipitation is accumulated.Snowfall
In Sydalen, snow does not fall in June through September.Daylight
The average length of the day in September in Sydalen is 13h and 14min.On the first day of September, sunrise is at 05:29 and sunset at 20:35. On the last day of the month, sunrise is at 07:14 and sunset at 18:30 CEST.
Sunshine
The average sunshine in September is 6.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sydalen, Norway
- Average high temperature in September: 11.3°C
The warmest month (with the highest average high temperature) is August (13.5°C).
The month with the lowest average high temperature is February (1.5°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in September
Sydalen, Norway
- Average pressure in September: 1008.5mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1000.8mbar).
Average wind speed in September
Sydalen, Norway
- Average wind speed in September: 19.4km/h
The windiest month (with the highest average wind speed) is December (26km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).
Average humidity in September
Sydalen, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Sydalen, Norway
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is December (108mm).
The driest month (with the least rainfall) is July (50mm).
Average rainfall days in September
Sydalen, Norway
- Average rainfall days in September: 19.3 days
The month with the highest number of rainy days is September (19.3 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Sydalen, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (241mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sydalen, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sydalen, Norway
- Average daylight in September: 13h and 12min
The month with the longest days is August (Average daylight: 17h and 30min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 6h and 12min
The month with the most sunshine is August (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 12min).
Average sunshine days in September
Sydalen, Norway
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is July (12.6 days).
The month with the least sunshine days is March (6.8 days).
Average UV index in September
Sydalen, Norway
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February and November (UV index 1).
Average cloud cover in September
Sydalen, Norway
- Average cloud cover in September: 59
The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 53).
Average visibility in September
Sydalen, Norway
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and March (8km).





