Koillismaa (Kuusamo)
September
Weather in Koillismaa for September 2026
Your guide to Koillismaa weather in September - trends and predictions
Snowfall in Koillismaa during September is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Koillismaa at the beginning of September is 17.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.9 °C by the end of September.
Koillismaa experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 72.9 mm.
Snow Forecast ❄️
Temperatures
Rain 🌧️
8
Dry days
21
Rainy days
1
Snow days
13°/7°
Temperatures
18 km/h
Avg max wind
84 %
Avg humidity
Koillismaa Weather September
Move between months or click on a day
Temperatures trend during September in Koillismaa
See the weather trend as well as the moving average line
September weather in Koillismaa day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 15° /9° | 2.4 mm | 0 cm | |
| 2 Sept. | Light rain shower | 18° /9° | 1.9 mm | 0 cm | |
| 3 Sept. |  Fog | 19° /9° | 0.5 mm | 0 cm | |
| 4 Sept. | Light rain shower | 16° /9° | 1.9 mm | 0 cm | |
| 5 Sept. | Patchy rain possible | 18° /9° | 1 mm | 0 cm | |
| 6 Sept. |  Overcast | 19° /9° | 0.1 mm | 0 cm | |
| 7 Sept. | Patchy rain possible | 18° /10° | 0.1 mm | 0 cm | |
| 8 Sept. | Overcast | 17° /9° | 2.6 mm | 0 cm | |
| 9 Sept. | Fog | 20° /11° | 0.2 mm | 0 cm | |
| 10 Sept. | Overcast | 20° /11° | 0 mm | 0 cm | |
| 11 Sept. | Fog | 19° /11° | 0.1 mm | 0 cm | |
| 12 Sept. | Overcast | 19° /11° | 3.3 mm | 0 cm | |
| 13 Sept. | Mist | 15° /9° | 2.3 mm | 0 cm | |
| 14 Sept. | Mist | 12° /6° | 3.1 mm | 0 cm | |
| 15 Sept. | Mist | 11° /5° | 7 mm | 0 cm | |
| 16 Sept. | Fog | 11° /5° | 0.4 mm | 0 cm | |
| 17 Sept. | Light rain shower | 10° /7° | 9 mm | 0 cm | |
| 18 Sept. |  Partly cloudy | 12° /5° | 1.6 mm | 0 cm | |
| 19 Sept. |  Light drizzle | 13° /5° | 2.5 mm | 0 cm | |
| 20 Sept. | Light rain shower | 11° /3° | 4.1 mm | 0 cm | |
| 21 Sept. | Light drizzle | 7° /2° | 3.6 mm | 0 cm | |
| 22 Sept. | Fog | 11° /2° | 2.4 mm | 0 cm | |
| 23 Sept. | Light rain shower | 9° /4° | 8.3 mm | 0 cm | |
| 24 Sept. | Light rain shower | 9° /4° | 1.9 mm | 0.1 cm | |
| 25 Sept. | Light drizzle | 12° /4° | 2 mm | 0 cm | |
| 26 Sept. | Patchy rain possible | 12° /6° | 1.6 mm | 0 cm | |
| 27 Sept. | Overcast | 13° /5° | 4.9 mm | 0 cm | |
| 28 Sept. | Fog | 12° /3° | 1.3 mm | 0 cm | |
| 29 Sept. | Light rain shower | 10° /3° | 0.8 mm | 0 cm | |
| 30 Sept. | Light rain shower | 8° /4° | 2 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Koillismaa 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 Koillismaa forecast closer to your planned date for the most up-to-date weather information.
Change Month
Koillismaa in September - FAQ
What are the expected maximum and minimum temperatures in Koillismaa during September?
During September, expect a variety of temperatures with highs around 13° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Koillismaa during September?
Moderate rainfall is anticipated in Koillismaa during September, with a total of 72.9 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
Will it snow in Koillismaa in September 2026?
Koillismaa typically sees 0.143333 cm of snowfall during September.
What are the typical wind conditions in Koillismaa during September?
The average wind speed in Koillismaa during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Koillismaa snow forecast September 2026
Track daily snowfall levels and discover Koillismaa’s snowy potential this September ❄️
On average, Koillismaa sees 1 snowy days during September, with approximately 0.1 cm of total snowfall.
September rainfall patterns in Koillismaa
Explore the daily rainfall trends and prepare for Koillismaas September weather 💧
Typically, Koillismaa has 21 rainy days in September with a total of 72.9 mm of rainfall.
Top locations in Koillismaa
Select a location for an accurate weather forecast
More Locations Quick links
More Koillismaa weather pages
You are here
Where is Koillismaa?Get accurate weather forecasts for Koillismaa, located at latitude 65.964 and longitude 29.189. Stay updated with localized weather information tailored for Koillismaa.
Found a mistake?
We appreciate your attention to details. Tell us here.