September weather forecastVISTE, Norway
September
Weather in September
September, the first month of the autumn in VISTE, is still a mild month, with an average temperature fluctuating between 12.1°C (53.8°F) and 14.3°C (57.7°F).Temperature
The arrival of September denotes a barely perceptible change in the average high-temperatures to a moderate 14.3°C (57.7°F) from August's 16.3°C (61.3°F). During the nights of September, VISTE maintains an almost steady temperature with an average low of 12.1°C (53.8°F).Humidity
The average relative humidity in September is 79%.Rainfall
In September, in VISTE, the rain falls for 19.3 days. Throughout September, 112mm (4.41") of precipitation is accumulated. Throughout the year, in VISTE, Norway, there are 210.6 rainfall days, and 1013mm (39.88") of precipitation is accumulated.Snowfall
In VISTE, Norway, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 50min.On the first day of September in VISTE, sunrise is at 06:36 and sunset at 20:38. On the last day of the month, sunrise is at 07:41 and sunset at 19:13 CEST.
Sunshine
The average sunshine in September is 6.6h.UV index
In VISTE, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
VISTE, Norway
- Average high temperature in September: 14.3°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: 12.1°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
VISTE, 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
VISTE, 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
VISTE, 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
VISTE, Norway
- Average rainfall in September: 112mm
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
VISTE, Norway
- Average rainfall days in September: 19.3 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
VISTE, 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
VISTE, 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
VISTE, 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 36min
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 24min).
Average sunshine days in September
VISTE, Norway
- Average sunshine days in September: 9.3 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
VISTE, 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
VISTE, Norway
- Average cloud cover in September: 53
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
VISTE, Norway
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July and August (10km).
The months with the lowest visibility are January, February, March, September, October, November and December (9km).





