Tromsø Weather in September

With daytime temperatures of 12°C (54°F) and nighttime lows of 5°C (41°F), September in Tromsø brings low temperatures during the day. It is also the wettest month of the year, so pack an umbrella.

Rainfall in Tromsø in September

With frequent rain showers this month, having an umbrella on hand will keep you dry. Typically, you can expect about 21 days of rain this month, with 141 mm (5.6 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Tromsø in September

In September, Tromsø sees low temperatures, with highs of 12°C (54°F). Nights drop to around 5°C (41°F). Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Tromsø in September

The area experiences limited sunny days, amounting to roughly 92 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Tromsø. Our weather planner can help you explore destinations with more pleasant weather conditions.