Last updated: March 2, 2024
The weather in Kelowna, Canada, during September is characterized by an average temperature of 14°C (57°F). Highs can soar to 27°C (80°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Kelowna throughout September hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Kelowna averages 62 mm (2.4 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 32 minutes of daylight, with the sun shining for approximately 8 hours 33 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Kelowna reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 4 | 5 | 6 | 7 | 6 | 5 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||