September weather forecastArnøyhamn, Norway
September
Weather in September
The first month of the autumn, September, is also a frosty month in Arnøyhamn, Norway, with an average temperature fluctuating between 8.8°C (47.8°F) and 5.3°C (41.5°F).Temperature
As Arnøyhamn enters September, the average high-temperature subtly lowers from the a fresh 12.2°C (54°F) of August to a chilly 8.8°C (47.8°F). During the nights of September, Arnøyhamn records an average temperature of 5.3°C (41.5°F), a minor drop from daytime peaks.Humidity
In Arnøyhamn, Norway, the average relative humidity in September is 82%.Rainfall
In Arnøyhamn, Norway, in September, it is raining for 17.9 days, with typically 67mm (2.64") of accumulated precipitation. Throughout the year, in Arnøyhamn, there are 161.9 rainfall days, and 769mm (30.28") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Arnøyhamn, Norway. Throughout September, in the average 1 snowfall days, it receives 27mm (1.06") of snow. In Arnøyhamn, during the entire year, snow falls for 121.3 days and aggregates up to 2376mm (93.54") of snow.Daylight
In September, the average length of the day is 13h and 22min.On the first day of September in Arnøyhamn, sunrise is at 04:55 and sunset at 20:19. On the last day of the month, sunrise is at 06:51 and sunset at 18:03 CEST.
Sunshine
In Arnøyhamn, Norway, the average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index in Arnøyhamn is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 2 transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arnøyhamn, Norway
- Average high temperature in September: 8.8°C
The warmest month (with the highest average high temperature) is July (12.8°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 5.3°C
The month with the highest average low temperature is July (7.8°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).
Average pressure in September
Arnøyhamn, Norway
- Average pressure in September: 1009.2mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1001.2mbar).
Average wind speed in September
Arnøyhamn, Norway
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is January (20.4km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in September
Arnøyhamn, Norway
- Average humidity in September: 82%
The month with the highest relative humidity is April (87%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Arnøyhamn, Norway
- Average rainfall in September: 67mm
The wettest month (with the highest rainfall) is March (79mm).
The driest month (with the least rainfall) is May (57mm).
Average rainfall days in September
Arnøyhamn, Norway
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Arnøyhamn, Norway
- Average snowfall in September: 27mm
The month with the highest snowfall is March (470mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Arnøyhamn, Norway
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is March (22.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Arnøyhamn, Norway
- Average daylight in September: 13h and 24min
The month with the longest days is August (Average daylight: 18h and 12min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in September
Arnøyhamn, Norway
- Average sunshine days in September: 7.6 days
The month with the most sunshine days is January (12.4 days).
The month with the least sunshine days is March (6.2 days).
Average UV index in September
Arnøyhamn, 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 March and April (UV index 1).
Average cloud cover in September
Arnøyhamn, Norway
- Average cloud cover in September: 54
The month with the most cloud cover is March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 53).
Average visibility in September
Arnøyhamn, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March, April and May (8km).
