September weather forecastHeggenes, Norway
September
Weather in September
September, the first month of the autumn in Heggenes, is also a frosty month, with an average temperature fluctuating between 9.9°C (49.8°F) and 2.1°C (35.8°F).Temperature
With the arrival of September, Heggenes experiences a modest decline in average high-temperatures, transitioning from a refreshing 14.3°C (57.7°F) in August to a frosty 9.9°C (49.8°F). Heggenes records a consistent low-temperature of 2.1°C (35.8°F) during September nights.Humidity
The average relative humidity in September is 81%.Rainfall
In September, in Heggenes, the rain falls for 10.9 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Heggenes, during the entire year, the rain falls for 138.5 days and collects up to 466mm (18.35") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Heggenes, there are 108.1 snowfall days, and 1414mm (55.67") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 54min.On the first day of September, sunrise is at 06:17 and sunset at 20:30. On the last day of the month, sunrise is at 07:28 and sunset at 18:58 CEST.
Sunshine
In Heggenes, the average sunshine in September is 7.8h.UV index
The months with the lowest UV index are January through April, September through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 2 during September morphs into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Heggenes, Norway
- Average high temperature in September: 9.9°C
The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (-7.4°C).
- Average low temperature in September: 2.1°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is January (-14.2°C).
Average pressure in September
Heggenes, Norway
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is April (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.3mbar).
Average wind speed in September
Heggenes, Norway
- Average wind speed in September: 10.1km/h
The windiest months (with the highest average wind speed) are March and September (10.1km/h).
The calmest month (with the lowest average wind speed) is November (8.4km/h).
Average humidity in September
Heggenes, Norway
- Average humidity in September: 81%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Heggenes, Norway
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is June (59mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Heggenes, Norway
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Heggenes, Norway
- Average snowfall in September: 4mm
The month with the highest snowfall is January (267mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Heggenes, Norway
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Heggenes, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Heggenes, Norway
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in September
Heggenes, Norway
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).
Average cloud cover in September
Heggenes, Norway
- Average cloud cover in September: 49
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 44).
Average visibility in September
Heggenes, Norway
- Average visibility in September: 8km
The months with the highest visibility are June and July (9km).
The month with the lowest visibility is January (6km).
