Tromsø in September
Auroras return
By Daan · Last reviewed October 2026
The short answer
September is a reasonable month in Tromsø — with trade-offs.
September brings the aurora back over the fall colors, before the snow.
September in detail
What September actually feels like
- Weather
- 5–11°C
- Cool, around 11°C, wet.
- Crowds
- Moderate
- Prices
- $$$
- Moderate rates.
+Northern lights over fall colors.
–Rainy and cool.
My tip for September
Auroras over open water reflect beautifully.
- Northern lights
- Hiking
How September compares
Against the other eleven months
6th of 12 overall in Tromsø, 7th for weather, 4th for space, 2nd for value. The emptiest month is October; the best value is October.
See all twelve months for TromsøNot set on September?
Even stronger months in Tromsø
Also good in September
Weather
Weather in Tromsø in September
In September Tromsø averages a high of 11°C (52°F) and a low of 5°C (41°F), with about 111 mm of rain or snow over 15 wet days. The warmest month is July (around 16°C) and the coolest is January (around -1°C); the wettest month is October.
- Average high
- 11°C
- 52°F
- Average low
- 5°C
- 41°F
- Precipitation
- 111 mm
- Wet days
- 15
Climate data: Met Norway (Tromsø, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
Tromsø in September: the questions people ask
- Is September a good time to visit Tromsø?
- September is a reasonable month in Tromsø — with trade-offs. It ranks 6 of 12 months in Tromsø overall (7 for weather, 4 for space, 2 for value). The main upside: Northern lights over fall colors. The main downside: Rainy and cool.
- What is the weather like in Tromsø in September?
- Average highs are around 11°C and lows around 5°C. Expect about 111 mm of rain or snow over roughly 15 wet days. Cool, around 11°C, wet. For comparison, the warmest month is July (around 16°C) and the coolest is January (around -1°C).
- Is Tromsø crowded in September?
- Crowds are moderate. Moderate. The quietest month is October.
- How expensive is Tromsø in September?
- Prices are at level 3 of 5 ($$$). Moderate rates. The best-value month is October.
- When is the best time to visit Tromsø?
- In the CrowdFreeViews month scores, March is the best month overall (September ranks 6 of 12). The quietest month is October and the best value is October.
Ready to book September in Tromsø?
Northern lights over fall colors.
Find hotels in TromsøAffiliate link