Tromso Weather in September
Norway · 30-year monthly averages
⚠️ Challenging time to visit
September in Tromso is chilly, with average daytime highs around 10°C (50°F) and nighttime lows near 5°C (41°F). Expect roughly 195mm of precipitation spread over about 15 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
10°C
50°F
Avg low
5°C
41°F
Rainfall
195mm
very wet
Rainy days
15
days with ≥1mm
🎒 What to pack
- jacket or coat
- long-sleeve layers
- compact umbrella or rain jacket
September vs the rest of the year
FAQ
- How hot is Tromso in September?
- September in Tromso is chilly, with average daytime highs around 10°C (50°F) and nighttime lows near 5°C (41°F). Expect roughly 195mm of precipitation spread over about 15 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Tromso in September?
- Tromso sees around 195mm of precipitation in September on average — very wet by global standards.
- Is September a good time to visit Tromso?
- September is a challenging month to visit Tromso weather-wise — plan around the conditions.