Flåm Weather in September
With daytime temperatures of 11°C (52°F) and nighttime lows of 4°C (39°F), September in Flåm brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 146 mm (5.7 in) falls on average.
Rainfall in Flåm in September
Historically, the month has about 23 days of rain, averaging 146 mm (5.7 in) in total. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Flåm in September
Flåm in September gets highs of 11°C (52°F) during the day and drops to 4°C (39°F) at night. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Flåm. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Flåm's climate page.
Flåm Temperature in September
Daily Historical Temperatures
48-year average (1977-2025)
Based on our historical records, temperatures in Flåm typically drop from around 14°C (57°F) at the start of September to approximately 9°C (48°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 7°C (45°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Flåm in September
Browse day-by-day weather records for Flåm spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Flåm historical weather extremes in September
According to our 42 years of weather records for Flåm, the following extremes were recorded between 1983 and 2025.
- The hottest September day on record in Flåm reached 22°C (72°F) (September 6, 2024).
- Flåm experienced its chilliest September day on September 28, 1983, reaching only 1°C (34°F).
- The coldest night in September in Flåm was on September 28, 1983, with a minimum of -4°C (25°F).
Best Places in Norway in September
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Flåm in September
Pack for changing conditions in Flåm in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Flåm in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Flåm's climate page.
See the full Flåm climate overview or explore weather in Norway.