Norway
Flåm in September: weather & travel advice
This month's data profile
Rain shapes the decision
Flåm in September is climatically mixed. The average daily high is around 10 °C. With about 19 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
25/100 · #5
Warmth
#4
Dryness
#5
Sun
#6
Published best categories: none
Flåm · SeptemberPhoto: Svein Magne Tunli · CC BY-SA 4.0Climate facts
- Average high
- 10 °C
- Average low
- 4 °C
- Rainy days (est.)
- 19 rainy days (est.)
- Sun (est.)
- 3 h/day
- Humidity
- 87 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| August | 14 | 7 | 21 | 153 | 4.5 | 83 | 1.8 | 35 |
| September (selected) | 10 | 4 | 19 | 155 | 2.8 | 87 | 2.0 | 25 |
| October | 4 | -0 | 20 | 169 | 1.3 | 92 | 2.1 | 15 |
How do the previous and next months compare?
Baseline: September (25/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| August | +10 | +3.8 °C | +3.3 °C | +1.6 | -2.7 mm | +1.7 h | -4 % | -0.2 m/s |
| October | -10 | -6 °C | -4.7 °C | +1 | +13.8 mm | -1.5 h | +4 % | ±0 m/s |
All twelve months in context
Find a place to stay
Where to stay in Flåm
Compare available stays, prices and cancellation terms for Flåm on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Flåm in September?
The average daily high is around 10 °C, with an average daily low of about 4 °C.
Does it rain a lot in Flåm in September?
The curated estimate is about 19 rainy days per month, not a directly measured long-term average. Total precipitation averages around 155 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Flåm?
No month in Flåm reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.