September weather forecastHellvik, Norway
September
Weather in September
The first month of the autumn, September, is also a moderate month in Hellvik, Norway, with an average temperature ranging between max 14.4°C (57.9°F) and min 10.6°C (51.1°F).Temperature
With September's arrival, Hellvik's weather records an average high-temperature of a moderate 14.4°C (57.9°F), marking little difference from August's 16.8°C (62.2°F). In September, Hellvik's nights cool slightly to a consistent average temperature of 10.6°C (51.1°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Hellvik, Norway, in September, during 18.9 rainfall days, 80mm (3.15") of precipitation is typically accumulated. Throughout the year, in Hellvik, there are 197.4 rainfall days, and 876mm (34.49") of precipitation is accumulated.Snowfall
In Hellvik, snow does not fall in June through September.Daylight
In Hellvik, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 06:36 and sunset at 20:36. On the last day of September, in Hellvik, sunrise is at 07:40 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September in Hellvik is 6.1h.UV index
The average daily maximum UV index in September in Hellvik, Norway, is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. 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
Hellvik, Norway
- Average high temperature in September: 14.4°C
The warmest months (with the highest average high temperature) are July and August (16.8°C).
The month with the lowest average high temperature is February (2.5°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-0.6°C).
Average pressure in September
Hellvik, Norway
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1007.1mbar).
Average wind speed in September
Hellvik, Norway
- Average wind speed in September: 19.2km/h
The windiest month (with the highest average wind speed) is January (25.2km/h).
The calmest month (with the lowest average wind speed) is July (17km/h).
Average humidity in September
Hellvik, Norway
- Average humidity in September: 82%
The months with the highest relative humidity are February, March and December (84%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Hellvik, Norway
- Average rainfall in September: 80mm
The wettest month (with the highest rainfall) is December (111mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in September
Hellvik, Norway
- Average rainfall days in September: 18.9 days
The month with the highest number of rainy days is December (20.2 days).
The month with the least rainy days is February (13 days).
Average snowfall in September
Hellvik, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (60mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hellvik, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hellvik, Norway
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 6h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
Hellvik, Norway
- Average sunshine days in September: 10 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in September
Hellvik, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Hellvik, Norway
- Average cloud cover in September: 56
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are May and June (Cloud cover 46).
Average visibility in September
Hellvik, Norway
- Average visibility in September: 9km
The months with the highest visibility are May and August (10km).
The months with the lowest visibility are January, February, March, April, June, July, September, October, November and December (9km).
