September weather forecastHetlevik, Norway
September
Weather in September
The first month of the autumn, September, is still a mild month in Hetlevik, Norway, with an average temperature ranging between max 13.9°C (57°F) and min 11°C (51.8°F).Temperature
With the arrival of September, Hetlevik's average high-temperature registers at a still refreshing 13.9°C (57°F), indicating a subtle variation from the previous month. In Hetlevik, a slight decrease from the daytime peak is noted during the month of September, with an average low-temperature of 11°C (51.8°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Hetlevik, Norway, in September, during 22.3 rainfall days, 179mm (7.05") of precipitation is typically accumulated. Throughout the year, there are 227.1 rainfall days, and 1594mm (62.76") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Hetlevik.Daylight
The average length of the day in September in Hetlevik is 12h and 52min.On the first day of September, sunrise is at 06:34 and sunset at 20:43. On the last day of the month, sunrise is at 07:44 and sunset at 19:14 CEST.
Sunshine
In September, the average sunshine is 6h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hetlevik, Norway
- Average high temperature in September: 13.9°C
The warmest month (with the highest average high temperature) is August (16.1°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in September
Hetlevik, Norway
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed in September
Hetlevik, Norway
- Average wind speed in September: 16.7km/h
The windiest months (with the highest average wind speed) are January and December (21.1km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).
Average humidity in September
Hetlevik, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is March (81%).
The months with the lowest relative humidity are May and October (75%).
Average rainfall in September
Hetlevik, Norway
- Average rainfall in September: 179mm
The wettest month (with the highest rainfall) is October (201mm).
The driest month (with the least rainfall) is April (73mm).
Average rainfall days in September
Hetlevik, Norway
- Average rainfall days in September: 22.3 days
The month with the highest number of rainy days is September (22.3 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in September
Hetlevik, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hetlevik, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hetlevik, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 6h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in September
Hetlevik, Norway
- Average sunshine days in September: 6.6 days
The month with the most sunshine days is May (12 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in September
Hetlevik, 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 January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Hetlevik, Norway
- Average cloud cover in September: 58
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Hetlevik, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
