September weather forecastFlåm, Norway
September
Weather in September
As September sets in, signs of autumn become apparent in the weather of Flåm. The temperatures start descending from the summer high, marking an average low of 3°C (37.4°F) and a high of 9°C (48.2°F). The 12.9 hours of daylight begins to dwindle, allowing the stars to shine longer in the night's sky. There is an increased chance of rainfall with an amount of 168mm (6.61") over 23 days; it's the time when the city's roofs start to sport a rhythm of raindrops falling steadily. Despite frequent showers, the views of Flåm remain enchanting as the trees begin to show autumn hues.Temperature
Start of September in Flåm, Norway, brings a slight shift in the average high-temperature, dipping a bit from August's refreshing 13°C (55.4°F) to a frosty 9°C (48.2°F). During September in Flåm, the average low-temperature is recorded at a cold 3°C (37.4°F).Rainfall
In Flåm, Norway, in September, during 23 rainfall days, 168mm (6.61") of precipitation is typically accumulated. In Flåm, during the entire year, the rain falls for 233 days and collects up to 1310mm (51.57") of precipitation.Daylight
In Flåm, the average length of the day in September is 12h and 53min.On the first day of September in Flåm, sunrise is at 06:25 and sunset at 20:37. On the last day of the month, sunrise is at 07:36 and sunset at 19:06 CEST.
Sunshine
In September, the average sunshine in Flåm, Norway, is 4h.UV index
In Flåm, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flåm, Norway
- Average high temperature in September: 9°C
The warmest month (with the highest average high temperature) is July (14°C).
The months with the lowest average high temperature are January and February (-5°C).
- Average low temperature in September: 3°C
The month with the highest average low temperature is July (7°C).
The coldest months (with the lowest average low temperature) are January and February (-9°C).
Average rainfall in September
Flåm, Norway
- Average rainfall in September: 168mm
The wettest month (with the highest rainfall) is October (169mm).
The driest month (with the least rainfall) is April (46mm).
Average rainfall days in September
Flåm, Norway
- Average rainfall days in September: 23 days
The months with the highest number of rainy days are September, October and December (23 days).
The month with the least rainy days is April (14 days).
Average daylight in September /
Average sunshine in September
Flåm, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in September: 4h
The months with the most sunshine are May, June and July (Average sunshine: 7h).
The months with the least sunshine are January, November and December (Average sunshine: 1h).
Average UV index in September
Flåm, Norway
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 0).





