September weather forecast
Flåm, Norway

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.