Climate guide for Flåm, Norway

Flåm in September

Weather, crowds & best time to visit

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September · Norway

Best time to visit Flåm in September Weather, crowds & prices

Weather in Flåm in September

Average temperature 8°C, 139 mm of rain, about 2 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

4.8/10

Ranked #6 of 12 months

Full year for Flåm
Avg temp
8°C
Rainfall
139 mm
Humidity
87%
Days with 6h+ sun
2
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Flåm scores 4.8/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 8°C, 139 mm of rain, and roughly 2 days with 6+ hours of sunshine this month.

Picturesque village at the end of Aurlandsfjord, home to the world-steepest Flåm Railway.

September in Flåm — the hardest end of the year

September averages 8°C (47°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 139 mm this is a genuinely wet month: about 2 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 4.8/10 here, 6th of 12 months, against 7.5/10 in the destination's best month.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

Plan for mid-season pricing, with crowds are moderate.

Flexible dates? June scores 2.7 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Flåm in September?
In September, Flåm averages 8°C, 139 mm of rain, and about 2 days with 6+ hours of sunshine. Its climate-comfort score is 4.8/10.
Is September a good time to visit Flåm?
September earns a 4.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Flåm in September?
Expect about 139 mm of rain in September. Average humidity is 87% and there are about 2 days with 6+ hours of sunshine.

Curated in Flåm

Tickets & experiences

Things to do in Flåm

Flåm, Norway. Live activities and tours from GetYourGuide, matched to this destination.