Weather in Tromsø for September 2026
Snowfall in Tromsø during September is quite rare, with fewer than 2 snowy days on average.
According to Tromsø snow forecast for September 2026, 1 snowy day is expected in the next 2 weeks at Sunday, 27 September.Until now, September 2026 in Tromsø is cooler than usual, with temperatures averaging 9.7 °C, this is 2.4 °C below the typical seasonal average.
Expect cooler weather in the next days in Tromsø with the forecast suggesting a temperature of 8.7 °C, lower than the historical average.
In general, the average temperature in Tromsø at the beginning of September is 11.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7.7 °C by the end of September.
The climate of Tromsø in September is notably wet, with an average of 15 rainy days, and a total of 125.6 mm of precipitation.
Snow Forecast ❄️
Temperatures
Rain 🌧️
Tromsø Weather September
Temperatures trend during September in Tromsø
September weather in Tromsø day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 12° /6° | 4.1 mm | 0 cm | |
| 2 Sept. |  Patchy rain possible | 12° /6° | 3 mm | 0 cm | |
| 3 Sept. | Light rain shower | 12° /7° | 3.5 mm | 0 cm | |
| 4 Sept. | Patchy rain possible | 11° /6° | 9.6 mm | 0 cm | |
| 5 Sept. | Light rain shower | 10° /6° | 8.8 mm | 0 cm | |
| 6 Sept. | Patchy rain possible | 11° /7° | 4 mm | 0 cm | |
| 7 Sept. | Patchy rain possible | 12° /7° | 1.9 mm | 0 cm | |
| 8 Sept. | Patchy rain possible | 13° /8° | 4 mm | 0 cm | |
| 9 Sept. | Patchy rain possible | 13° /9° | 3.9 mm | 0 cm | |
| 10 Sept. | Patchy rain possible | 13° /8° | 4.6 mm | 0 cm | |
| 11 Sept. |  Overcast | 13° /8° | 5 mm | 0 cm | |
| 12 Sept. | Patchy rain possible | 13° /7° | 2.2 mm | 0 cm | |
| 13 Sept. | Light rain shower | 10° /5° | 2.9 mm | 0 cm | |
| 14 Sept. | Light rain shower | 8° /7° | 7.4 mm | 0 cm | |
| 15 Sept. | Overcast | 12° /7° | 0 mm | 0 cm | |
| 16 Sept. | Light rain shower | 10° /9° | 5.9 mm | 0 cm | |
| 17 Sept. | Light rain shower | 9° /7° | 4.6 mm | 0 cm | |
| 18 Sept. | Overcast | 11° /7° | 0 mm | 0 cm | |
| 19 Sept. | Patchy rain possible | 10° /8° | 0.6 mm | 0 cm | |
| 20 Sept. | Overcast | 11° /8° | 0.1 mm | 0 cm | |
| 21 Sept. | Light rain shower | 9° /7° | 5.9 mm | 0 cm | |
| 22 Sept. | Overcast | 10° /7° | 1.5 mm | 0 cm | |
| 23 Sept. | Patchy rain possible | 7° /4° | 2.1 mm | 0 cm | |
| 24 Sept. | Light rain shower | 5° /3° | 4.4 mm | 0 cm | |
| 25 Sept. | Patchy rain possible | 6° /2° | 8.7 mm | 0 cm | |
| 26 Sept. | Light rain shower | 9° /4° | 20.7 mm | 0 cm | |
| 27 Sept. | Light rain shower | 5° /3° | 7.9 mm | 0.3 cm | |
| 28 Sept. |  Sunny | 11° /5° | 0.5 mm | 0 cm | |
| 29 Sept. | Sunny | 10° /5° | 5.4 mm | 2.3 cm | |
| 30 Sept. | Partly cloudy | 8° /4° | 2.2 mm | 0.3 cm | |
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Tromsø in September - FAQ
What are the expected maximum and minimum temperatures in Tromsø during September?
How much rainfall should be expected in Tromsø during September?
Will it snow in Tromsø in September 2026?
What are the typical wind conditions in Tromsø during September?
Tromsø snow forecast September 2026
September rainfall patterns in Tromsø
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