Regional District of East Kootenay (Cranbrook)
September
Weather in Regional District of East Kootenay for September 2026
Your guide to Regional District of East Kootenay weather in September - trends and predictions
Until now, September 2026 in Regional District of East Kootenay is cooler than usual, with temperatures averaging 21.7 °C, this is 3.3 °C below the typical seasonal average.
The forecast for the next days in Regional District of East Kootenay predicts a temperature of 16.6 °C, which is cooler than the historical average.
In general, the average temperature in Regional District of East Kootenay at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.1 °C by the end of September.
With an average of 3 rainy days, Regional District of East Kootenay experiences minimal rainfall in September.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
27
Dry days
3
Rainy days
0
Snow days
21°/9°
Temperatures
11 km/h
Avg max wind
53 %
Avg humidity
Regional District of East Kootenay Weather September
Move between months or click on a day
Temperatures trend during September in Regional District of East Kootenay
See the weather trend as well as the moving average line
September weather in Regional District of East Kootenay day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 28° /11° | 0 mm | 6 | |
| 2 Sept. | Sunny | 30° /12° | 11 mm | 6 | |
| 3 Sept. | Sunny | 25° /11° | 4.4 mm | 6 | |
| 4 Sept. |  Patchy rain possible | 21° /10° | 1.3 mm | 4 | |
| 5 Sept. | Sunny | 23° /8° | 3.2 mm | 6 | |
| 6 Sept. |  Overcast | 24° /9° | 2.1 mm | 5 | |
| 7 Sept. | Sunny | 25° /11° | 5.3 mm | 5 | |
| 8 Sept. |  Partly cloudy | 25° /11° | 0.7 mm | 5 | |
| 9 Sept. | Sunny | 24° /10° | 0 mm | 6 | |
| 10 Sept. | Sunny | 24° /10° | 0 mm | 5 | |
| 11 Sept. | Overcast | 20° /7° | 0 mm | 3 | |
| 12 Sept. | Overcast | 18° /3° | 0 mm | 4.4 | |
| 13 Sept. | Light rain shower | 6° /2° | 11.6 mm | 0.9 | |
| 14 Sept. |  Mist | 10° /5° | 0.3 mm | 2.7 | |
| 15 Sept. | Sunny | 14° /3° | 0.2 mm | 4 | |
| 16 Sept. | Sunny | 17° /3° | 0 mm | 5 | |
| 17 Sept. | Sunny | 21° /3° | 0 mm | 6 | |
| 18 Sept. | Sunny | 23° /6° | 0 mm | 6 | |
| 19 Sept. | Overcast | 24° /8° | 0 mm | 6 | |
| 20 Sept. | Sunny | 27° /11° | 0 mm | 7 | |
| 21 Sept. | Sunny | 17° /8° | 0.9 mm | 5 | |
| 22 Sept. | Overcast | 15° /3° | 1.7 mm | 4 | |
| 23 Sept. | Overcast | 11° /0° | 0.7 mm | 3 | |
| 24 Sept. | Sunny | 10° /-4° | 0 mm | 4 | |
| 25 Sept. |  Cloudy | 23° /9° | 0 mm | 5 | |
| 26 Sept. |  Patchy light drizzle | 17° /7° | 0.5 mm | 4 | |
| 27 Sept. | Partly cloudy | 18° /5° | 0 mm | 5 | |
| 28 Sept. |  Thundery outbreaks possible | 17° /5° | 0.5 mm | 4 | |
| 29 Sept. | Overcast | 16° /6° | 0.2 mm | 4 | |
| 30 Sept. | Light rain | 12° /5° | 2.1 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Regional District of East Kootenay 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 Regional District of East Kootenay forecast closer to your planned date for the most up-to-date weather information.
Change Month
Regional District of East Kootenay in September - FAQ
What are the expected maximum and minimum temperatures in Regional District of East Kootenay during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Regional District of East Kootenay during September?
Rainfall in Regional District of East Kootenay during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Regional District of East Kootenay during September?
The average wind speed in Regional District of East Kootenay during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Regional District of East Kootenay
Explore the daily rainfall trends and prepare for Regional District of East Kootenays September weather 💧
Typically, Regional District of East Kootenay has 3 rainy days in September with a total of 8 mm of rainfall.
UV exposure in Regional District of East Kootenay during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Regional District of East Kootenay
Select a location for an accurate weather forecast
More Locations Quick links
More Regional District of East Kootenay weather pages
You are here
Where is Regional District of East Kootenay?Get accurate weather forecasts for Regional District of East Kootenay, located at latitude 49.5 and longitude -115.769. Stay updated with localized weather information tailored for Regional District of East Kootenay.
Found a mistake?
We appreciate your attention to details. Tell us here.