September weather forecastAlesund, Norway
September
Weather in September
September signals the beginning of the fall season in Alesund. The temperatures begin their downward trend, and daylight hours continue to decrease. It is the wettest month of the year, culminating in a rainfall of about 190mm (7.48"). Despite the increased rain, the city's beauty is amplified with the onset of the colorful fall foliage, making it a picturesque site to behold.Temperature
September brings a minor shift in the average high-temperature in Alesund, adjusting from a moderate 15°C (59°F) in August to a cool 12°C (53.6°F). Alesund logs an average low-temperature of 7°C (44.6°F) during the nights of September, subtly lower than its daytime highs.Rainfall
The month with the most rainfall is September, when the rain falls for 27 days and typically aggregates up to 190mm (7.48") of precipitation.Sea temperature
In September, the average sea temperature is 13.7°C (56.7°F).Note: Dipping in 13.7°C (56.7°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In Alesund, Norway, the average length of the day in September is 12h and 57min.On the first day of the month, sunrise is at 06:24 and sunset at 20:45. On the last day of September, sunrise is at 07:41 and sunset at 19:08 CEST.
Sunshine
The average sunshine in September in Alesund is 3h.UV index
In Alesund, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in September, converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alesund, Norway
- Average high temperature in September: 12°C
The warmest months (with the highest average high temperature) are July and August (15°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 7°C
The months with the highest average low temperature are July and August (9°C).
The coldest months (with the lowest average low temperature) are January, February and March (-1°C).
Average rainfall in September
Alesund, Norway
- Average rainfall in September: 190mm
The wettest month (with the highest rainfall) is September (190mm).
The driest month (with the least rainfall) is May (62mm).
Average rainfall days in September
Alesund, Norway
- Average rainfall days in September: 27 days
The month with the highest number of rainy days is December (28 days).
The month with the least rainy days is May (16 days).
Average sea temperature in September
Alesund, Norway
- Average sea temperature in September: 13.7°C
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (5.3°C).
Average daylight in September /
Average sunshine in September
Alesund, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in September: 3h
The months with the most sunshine are May and June (Average sunshine: 7h).
The month with the least sunshine is December (Average sunshine: 0h).
Average UV index in September
Alesund, Norway
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 0).
