Regional District of East Kootenay (Cranbrook)
September
Weather in Regional District of East Kootenay for September 2025
Your guide to Regional District of East Kootenay weather in September - trends and predictions
In general, the average temperature in Regional District of East Kootenay at the beginning of September is 25.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.6 °C by the end of September.
With an average of 3 rainy days, Regional District of East Kootenay experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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27
Dry days
3
Rainy days
0
Snow days
20°/8°
Temperatures
11 km/h
Avg max wind
55 %
Avg humidity
Regional District of East Kootenay in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  29° | 3  25° | 4  22° | 5 25° | 6 26° | 7 26° |
| 8 25° | 9 24° | 10 23° | 11  22° | 12 19° | 13 19° | 14 19° |
| 15 22° | 16 24° | 17 22° | 18 21° | 19 16° | 20  15° | 21 17° |
| 22 19° | 23 19° | 24 21° | 25 23° | 26 16° | 27 17° | 28  15° |
| 29 14° | 30 10° |
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Temperatures trend during September in Regional District of East Kootenay
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Cloudy | 27° /11° | 0 mm | 7 | |
| 2 Sept. | Sunny | 29° /11° | 0 mm | 7 | |
| 3 Sept. | Partly cloudy | 25° /11° | 0.1 mm | 7 | |
| 4 Sept. | Patchy rain possible | 22° /10° | 2.3 mm | 6 | |
| 5 Sept. | Patchy rain possible | 25° /10° | 0.2 mm | 6 | |
| 6 Sept. | Partly cloudy | 26° /10° | 0 mm | 7 | |
| 7 Sept. | Sunny | 26° /10° | 0 mm | 7 | |
| 8 Sept. | Patchy rain possible | 25° /11° | 0.1 mm | 6 | |
| 9 Sept. | Sunny | 24° /10° | 0 mm | 7 | |
| 10 Sept. | Sunny | 23° /9° | 0 mm | 6 | |
| 11 Sept. | Overcast | 22° /9° | 1.7 mm | 5 | |
| 12 Sept. | Overcast | 19° /9° | 0.5 mm | 4 | |
| 13 Sept. | Partly cloudy | 19° /9° | 0.3 mm | 5 | |
| 14 Sept. | Sunny | 19° /6° | 0.1 mm | 5 | |
| 15 Sept. | Sunny | 22° /6° | 0.1 mm | 6 | |
| 16 Sept. | Sunny | 24° /7° | 0 mm | 7 | |
| 17 Sept. | Overcast | 22° /10° | 0 mm | 5 | |
| 18 Sept. | Sunny | 21° /9° | 0.6 mm | 6 | |
| 19 Sept. | Overcast | 16° /6° | 0 mm | 4 | |
| 20 Sept. | Light rain | 15° /4° | 0.9 mm | 4 | |
| 21 Sept. | Partly cloudy | 17° /2° | 0 mm | 5 | |
| 22 Sept. | Patchy rain possible | 19° /6° | 0 mm | 5 | |
| 23 Sept. | Patchy rain possible | 19° /7° | 0 mm | 5 | |
| 24 Sept. | Cloudy | 21° /7° | 0 mm | 6 | |
| 25 Sept. | Cloudy | 23° /9° | 0 mm | 5 | |
| 26 Sept. | Patchy light drizzle | 16° /6° | 0.7 mm | 4 | |
| 27 Sept. | Patchy rain possible | 17° /5° | 0 mm | 5 | |
| 28 Sept. | Thundery outbreaks possible | 15° /4° | 0.8 mm | 4 | |
| 29 Sept. | Patchy rain possible | 14° /3° | 0.3 mm | 4 | |
| 30 Sept. | Light rain | 10° /2° | 3.2 mm | 3 | |
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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.
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 20° and cooler nights around 8°. 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?
Expect minimal rainfall in Regional District of East Kootenay during September, with a total of 12 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
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 💧
UV exposure in Regional District of East Kootenay during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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