September weather forecastVestnes, Norway
September
Weather in September
The first month of the autumn, September, is still a cool month in Vestnes, Norway, with temperature in the range of an average low of 7.7°C (45.9°F) and an average high of 12.4°C (54.3°F).Temperature
September's onset records a minor alteration in the average high-temperature to a cool 12.4°C (54.3°F) from August's 15.1°C (59.2°F). Vestnes's September nights witness minimal differential from the daytime temperatures, with averages of 7.7°C (45.9°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, in Vestnes, the rain falls for 17 days. Throughout September, 84mm (3.31") of precipitation is accumulated. In Vestnes, Norway, during the entire year, the rain falls for 189.1 days and collects up to 974mm (38.35") of precipitation.Snowfall
In Vestnes, snow does not fall in June through September.Sea temperature
In Vestnes, Norway, the average seawater temperature in September is 13.3°C (55.9°F).Note: Swimming in 13.3°C (55.9°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.
Daylight
In September, the average length of the day in Vestnes, Norway, is 12h and 57min.On the first day of the month, sunrise is at 06:20 and sunset at 20:42. On the last day of September, sunrise is at 07:38 and sunset at 19:04 CEST.
Sunshine
In September, the average sunshine in Vestnes, Norway, is 6.8h.UV index
The average daily maximum UV index in September in Vestnes, Norway, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vestnes, Norway
- Average high temperature in September: 12.4°C
The warmest months (with the highest average high temperature) are July and August (15.1°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is August (9.8°C).
The coldest month (with the lowest average low temperature) is February (-4.1°C).
Average pressure in September
Vestnes, Norway
- Average pressure in September: 1010.5mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1003.6mbar).
Average wind speed in September
Vestnes, Norway
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Vestnes, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Vestnes, Norway
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is December (106mm).
The driest month (with the least rainfall) is November (46mm).
Average rainfall days in September
Vestnes, Norway
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Vestnes, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (273mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vestnes, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Vestnes, Norway
- Average sea temperature in September: 13.3°C
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (5.7°C).
Average daylight in September /
Average sunshine in September
Vestnes, Norway
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Vestnes, Norway
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is November (13.6 days).
The months with the least sunshine days are July and August (8.8 days).
Average UV index in September
Vestnes, Norway
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are March and December (UV index 1).
Average cloud cover in September
Vestnes, Norway
- Average cloud cover in September: 54
The month with the most cloud cover is March (Cloud cover 64).
The month with the least cloud cover is November (Cloud cover 50).
Average visibility in September
Vestnes, Norway
- Average visibility in September: 9km
The month with the highest visibility is November (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
