Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With the transition into September, Borkenes notes an average high-temperature of a cool 10.9°C (51.6°F), closely resembling August. The temperature during September nights demonstrates a small drop from the daytime highs, settling to an average of 7.9°C (46.2°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Borkenes, in September, during 17.5 rainfall days, 65mm (2.56") of precipitation is typically accumulated. Throughout the year, there are 154.2 rainfall days, and 862mm (33.94") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 3mm (0.12") of snow. In Borkenes, Norway, during the entire year, snow falls for 94.6 days and aggregates up to 1922mm (75.67") of snow.Daylight
In September, the average length of the day is 13h and 16min.On the first day of the month, sunrise is at 05:20 and sunset at 20:30. On the last day of September, sunrise is at 07:07 and sunset at 18:22 CEST.
Sunshine
In Borkenes, the average sunshine in September is 6.5h.UV index
In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 2 during September, leads to the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Borkenes?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does Borkenes have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Borkenes, Norway
- Average high temperature in September: 10.9°C
The warmest month (with the highest average high temperature) is July (14.1°C).
The month with the lowest average high temperature is February (-1.2°C).
- Average low temperature in September: 7.9°C
The months with the highest average low temperature are July and August (9.9°C).
The coldest month (with the lowest average low temperature) is February (-4.5°C).
Average pressure in September
Borkenes, Norway
- Average pressure in September: 1008.9mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1000.9mbar).
Average wind speed in September
Borkenes, Norway
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is March (19.3km/h).
The calmest month (with the lowest average wind speed) is July (11.1km/h).
Average humidity in September
Borkenes, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is April (83%).
The months with the lowest relative humidity are October, November and December (77%).
Average rainfall in September
Borkenes, Norway
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is March (95mm).
The driest months (with the least rainfall) are May and July (53mm).
Average rainfall days in September
Borkenes, Norway
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is September (17.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Borkenes, Norway
- Average snowfall in September: 3mm
The month with the highest snowfall is March (417mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Borkenes, Norway
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is March (19.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Borkenes, Norway
- Average daylight in September: 13h and 2min
The month with the longest days is August (Average daylight: 17h and 42min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in September
Borkenes, Norway
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is January (13.6 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in September
Borkenes, Norway
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March and November (UV index 1).
Average cloud cover in September
Borkenes, Norway
- Average cloud cover in September: 57
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 52).
Average visibility in September
Borkenes, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March and April (8km).
