Kelowna
September
Weather in Kelowna for September 2026
Your guide to Kelowna weather in September - trends and predictions
In general, the average temperature in Kelowna at the beginning of September is 27.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °C by the end of September.
Kelowna experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 21 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
21°/8°
Temperatures
9 km/h
Avg max wind
55 %
Avg humidity
Kelowna Weather September
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Temperatures trend during September in Kelowna
See the weather trend as well as the moving average line
September weather in Kelowna day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 30° /14° | 0 mm | 7 | |
| 2 Sept. | Sunny | 30° /13° | 0.2 mm | 7 | |
| 3 Sept. | Sunny | 27° /14° | 0 mm | 7 | |
| 4 Sept. | Sunny | 25° /13° | 0.2 mm | 6 | |
| 5 Sept. | Sunny | 26° /14° | 0 mm | 6 | |
| 6 Sept. | Sunny | 28° /14° | 0 mm | 7 | |
| 7 Sept. | Sunny | 25° /13° | 0 mm | 6 | |
| 8 Sept. | Sunny | 25° /13° | 0 mm | 7 | |
| 9 Sept. | Sunny | 25° /11° | 0 mm | 6 | |
| 10 Sept. |  Overcast | 26° /11° | 0 mm | 6 | |
| 11 Sept. | Overcast | 23° /10° | 0.7 mm | 5 | |
| 12 Sept. | Overcast | 22° /9° | 0 mm | 5 | |
| 13 Sept. |  Cloudy | 22° /9° | 0 mm | 5 | |
| 14 Sept. | Sunny | 21° /9° | 0.3 mm | 5 | |
| 15 Sept. | Sunny | 21° /8° | 0.1 mm | 5 | |
| 16 Sept. | Sunny | 27° /10° | 0 mm | 7 | |
| 17 Sept. | Sunny | 25° /11° | 0 mm | 7 | |
| 18 Sept. |  Patchy rain possible | 22° /8° | 0.1 mm | 5 | |
| 19 Sept. | Overcast | 20° /6° | 0.3 mm | 5 | |
| 20 Sept. |  Light drizzle | 20° /5° | 3.5 mm | 5 | |
| 21 Sept. |  Mist | 20° /4° | 5.4 mm | 4 | |
| 22 Sept. | Sunny | 18° /7° | 1.3 mm | 5 | |
| 23 Sept. | Patchy rain possible | 23° /9° | 0 mm | 6 | |
| 24 Sept. | Patchy rain possible | 23° /9° | 0.1 mm | 6 | |
| 25 Sept. | Light drizzle | 19° /8° | 1.3 mm | 4 | |
| 26 Sept. |  Thundery outbreaks possible | 15° /3° | 1.2 mm | 3 | |
| 27 Sept. | Light rain shower | 17° /6° | 2.4 mm | 4 | |
| 28 Sept. | Overcast | 18° /5° | 2.1 mm | 4 | |
| 29 Sept. | Patchy rain possible | 14° /4° | 1.7 mm | 3 | |
| 30 Sept. | Patchy rain possible | 16° /2° | 3.9 mm | 4 | |
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Important Notice
Our weather forecast for Kelowna 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 Kelowna forecast closer to your planned date for the most up-to-date weather information.
Change Month
Kelowna in September - FAQ
What are the expected maximum and minimum temperatures in Kelowna during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Kelowna during September?
In September, Kelowna can expect light to moderate rainfall, totaling 21 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Kelowna during September?
The average wind speed in Kelowna during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kelowna
Explore the daily rainfall trends and prepare for Kelownas September weather 💧
UV exposure in Kelowna during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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