September weather forecastUllandhaug, Norway
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Ullandhaug, Norway, with an average temperature fluctuating between 14.4°C (57.9°F) and 12.2°C (54°F).Temperature
September's arrival shows an average high-temperature of a moderate 14.4°C (57.9°F), hardly different from the previous month. Ullandhaug's nighttime temperatures in September display a slight drop from daytime highs, averaging to a cool 12.2°C (54°F).Humidity
In Ullandhaug, the average relative humidity in September is 79%.Rainfall
In Ullandhaug, during September, the rain falls for 19.1 days and regularly aggregates up to 101mm (3.98") of precipitation. In Ullandhaug, during the entire year, the rain falls for 210.4 days and collects up to 1002mm (39.45") of precipitation.Snowfall
In Ullandhaug, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 50min.On the first day of September in Ullandhaug, sunrise is at 06:36 and sunset at 20:37. On the last day of the month, sunrise is at 07:41 and sunset at 19:13 CEST.
Sunshine
In Ullandhaug, the average sunshine in September is 6.8h.UV index
In September, the average daily maximum UV index in Ullandhaug is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ullandhaug, Norway
- Average high temperature in September: 14.4°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in September
Ullandhaug, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in September
Ullandhaug, Norway
- Average wind speed in September: 20.7km/h
The windiest month (with the highest average wind speed) is January (27.4km/h).
The calmest months (with the lowest average wind speed) are June and July (17.2km/h).
Average humidity in September
Ullandhaug, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Ullandhaug, Norway
- Average rainfall in September: 101mm
The wettest month (with the highest rainfall) is December (130mm).
The driest month (with the least rainfall) is June (43mm).
Average rainfall days in September
Ullandhaug, Norway
- Average rainfall days in September: 19.1 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is June (13.3 days).
Average snowfall in September
Ullandhaug, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ullandhaug, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ullandhaug, Norway
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Ullandhaug, Norway
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in September
Ullandhaug, 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, November and December (UV index 2).
Average cloud cover in September
Ullandhaug, Norway
- Average cloud cover in September: 52
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in September
Ullandhaug, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).





