Weather in Tromso in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youSeptember in Tromso is cold, with average highs of 10.5°C and lows of 5.9°C. It is fairly wet (20 rainy days on average), with roughly 4.8 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Tromso — every month compared. Once you know when to go, find your Tromso packing list at 247PackingList.
Get ready for Tromso in September
Search flights to Tromso
Compare 100+ airlines for September — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Tromso in September
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Tromso
| Month | High | Rain | Rating |
|---|---|---|---|
| January | -2.2°C | 151.8mm | 5/10 |
| February | -1.8°C | 138.8mm | 5/10 |
| March | -0.4°C | 174.1mm | 5/10 |
| April | 2.3°C | 123.7mm | 7/10 |
| May | 6.8°C | 130.0mm | 9/10 |
| June | 14.2°C | 76.9mm | 10/10 |
| July | 16.8°C | 143.5mm | 9/10 |
| August | 15.4°C | 147.5mm | 9/10 |
| September | 10.5°C | 147.6mm | 9/10 |
| October | 4.5°C | 106.1mm | 7/10 |
| November | 0.1°C | 85.6mm | 8/10 |
| December | -3.1°C | 66.5mm | 6/10 |
Full month-by-month guide: best time to visit Tromso →
For facts about Norway — currency, language and dialling code — see our Norway country guide at 247CountryInfo. Travellers also find it useful to keep a Tromso travel guide to hand. Check clothing sizes in Norway before you shop.
Frequently Asked Questions
Is September a good time to visit Tromso?
September rates 9/10 for visiting Tromso — excellent time to visit. Expect average highs of 10.5°C, 147.6mm of rain across the month and about 4.8 hours of daily sunshine.
What is the temperature in Tromso in September?
In September, Tromso has average highs of 10.5°C (50.9°F) and average lows of 5.9°C (42.6°F).
Does it rain in Tromso in September?
Some rain is likely. Tromso averages 147.6mm across about 20 rainy days in September, so a light waterproof layer is worth packing.
What should I wear in Tromso in September?
For Tromso in September (10.5°C highs / 5.9°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes, compact travel umbrella.
More essentials for Tromso in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.