Troms og Finnmark (Tromsø)
September
Weather in Troms og Finnmark for September 2025
Your guide to Troms og Finnmark weather in September - trends and predictions
In general, the average temperature in Troms og Finnmark at the beginning of September is 13.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7.3 °C by the end of September.
Troms og Finnmark experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit Troms og Finnmark? check out the best time to travel to Troms og Finnmark page.
- New! Chat with our AI weatherman - it’s amazing and free.
7
Dry days
23
Rainy days
0
Snow days
9°/5°
Temperatures
23 km/h
Avg max wind
83 %
Avg humidity
Troms og Finnmark in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | 2  15° | 3 15° | 4  13° | 5 10° | 6 13° | 7 12° |
| 8  16° | 9 17° | 10 16° | 11 13° | 12  14° | 13  10° | 14  7° |
| 15  10° | 16 11° | 17 8° | 18 8° | 19 8° | 20 6° | 21 6° |
| 22 6° | 23 5° | 24 6° | 25 7° | 26 9° | 27 7° | 28 8° |
| 29 7° | 30 7° |
You can click on date
Access Troms og Finnmark weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Troms og Finnmark
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 14° /9° | 0 mm | 0 cm | |
| 2 Sept. | Light rain shower | 15° /9° | 0.3 mm | 0 cm | |
| 3 Sept. | Light rain shower | 15° /8° | 5.4 mm | 0 cm | |
| 4 Sept. | Moderate or heavy rain shower | 13° /7° | 25.4 mm | 0 cm | |
| 5 Sept. | Light rain shower | 10° /8° | 23.1 mm | 0 cm | |
| 6 Sept. | Light rain shower | 13° /8° | 7.4 mm | 0 cm | |
| 7 Sept. | Patchy rain possible | 12° /9° | 2.6 mm | 0 cm | |
| 8 Sept. | Light rain | 16° /11° | 3.9 mm | 0 cm | |
| 9 Sept. | Patchy rain possible | 17° /12° | 4.3 mm | 0 cm | |
| 10 Sept. | Light rain shower | 16° /10° | 8.4 mm | 0 cm | |
| 11 Sept. | Light rain shower | 13° /9° | 6.9 mm | 0 cm | |
| 12 Sept. | Moderate rain | 14° /8° | 3.6 mm | 0 cm | |
| 13 Sept. | Overcast | 10° /5° | 0.5 mm | 0 cm | |
| 14 Sept. | Fog | 7° /4° | 0.1 mm | 0 cm | |
| 15 Sept. | Sunny | 10° /4° | 0 mm | 0 cm | |
| 16 Sept. | Partly cloudy | 11° /6° | 0.7 mm | 0 cm | |
| 17 Sept. | Light rain shower | 8° /4° | 5.9 mm | 0 cm | |
| 18 Sept. | Moderate rain | 8° /4° | 18.3 mm | 0 cm | |
| 19 Sept. | Patchy rain possible | 8° /3° | 3.5 mm | 0 cm | |
| 20 Sept. | Patchy rain possible | 6° /2° | 6.7 mm | 0 cm | |
| 21 Sept. | Overcast | 6° /1° | 7.4 mm | 0 cm | |
| 22 Sept. | Patchy rain possible | 6° /1° | 1.9 mm | 0 cm | |
| 23 Sept. | Light rain shower | 5° /2° | 8 mm | 0 cm | |
| 24 Sept. | Patchy rain possible | 6° /3° | 2.1 mm | 0 cm | |
| 25 Sept. | Light drizzle | 7° /2° | 5.2 mm | 0 cm | |
| 26 Sept. | Light rain shower | 9° /4° | 6.7 mm | 0 cm | |
| 27 Sept. | Light drizzle | 7° /4° | 2.8 mm | 0 cm | |
| 28 Sept. | Patchy rain possible | 8° /4° | 1.1 mm | 0 cm | |
| 29 Sept. | Light rain | 7° /4° | 13.2 mm | 5.7 cm | |
| 30 Sept. | Light rain | 7° /4° | 4.8 mm | 0.7 cm | |
| Next | |||||
Important Notice
Our weather forecast for Troms og Finnmark in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Troms og Finnmark forecast closer to your planned date for the most up-to-date weather information.
Troms og Finnmark in September - FAQ
What are the expected maximum and minimum temperatures in Troms og Finnmark during September?
During September, expect a variety of temperatures with highs around 9° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Troms og Finnmark during September?
Significant rainfall exceeding 252.8 mm is expected in Troms og Finnmark during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Troms og Finnmark during September?
Troms og Finnmark experiences an average snowfall of 0 cm during September, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Troms og Finnmark during September?
The average wind speed in Troms og Finnmark during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Troms og Finnmark in September?
As you prepare for your trip to Troms og Finnmark in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Troms og Finnmark, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Troms og Finnmark
Explore the daily rainfall trends and prepare for Troms og Finnmarks September weather 💧
September snowfall in Troms og Finnmark
Track daily snowfall levels and discover Troms og Finnmark’s snowy potential this September ❄️
Provinces in Troms og Finnmark
Select a province for an accurate weather forecast
Top locations in Troms og Finnmark
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Troms og Finnmark?Get accurate weather forecasts for Troms og Finnmark, located at latitude 69.649 and longitude 18.955. Stay updated with localized weather information tailored for Troms og Finnmark.
Found a mistake?
We appreciate your attention to details. Tell us here.