West Kelowna Weather in September
What's the weather like in West Kelowna (British Columbia) in September 2025?
The climate in West Kelowna during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in West Kelowna and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 5°C (40°F) is normal.
| Daytime temperature | 18.6°C 65.5°F |
|---|---|
| Nightly temperature | 4.6°C 40.3°F |
| Average temperature | 11.6°C 52.9°F |
| Daily sunshine | 7.3 hrs |
| Avg rainfall | 38 mm 1.5 ins |
| Rainy days | 9 days |
| Sea temperature | 11.9°C 53.4°F |
| Humidity | 63% |
| Windspeed | 7.9kph 5 mph |
On average September is the 6th driest month of the year in West Kelowna with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
September temperatures in West Kelowna
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in West Kelowna in September 2025.
Other monthly averages
Best places to visit in September
West Kelowna weather stats
| Hottest month: | July | 23.8°C 74.8°F |
|---|---|---|
| Driest month: | October | 26mm 1ins |
| Sunniest month: | August | 9.7hrs |
| Coldest month: | January | -1.8°C 28.8°F |
| Wettest month: | December | 51mm 2ins |
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