Okanagan
September
Weather in Okanagan for September 2025
Your guide to Okanagan weather in September - trends and predictions
In general, the average temperature in Okanagan at the beginning of September is 26.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.1 °C by the end of September.
Okanagan experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 19.8 mm.
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Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
0
Snow days
21°/8°
Temperatures
8 km/h
Avg max wind
55 %
Avg humidity
Okanagan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  28° | 3 24° | 4  25° | 5  25° | 6  28° | 7 27° |
| 8 27° | 9 25° | 10 25° | 11 20° | 12 21° | 13 22° | 14 21° |
| 15 23° | 16 24° | 17 24° | 18 21° | 19 16° | 20 15° | 21  19° |
| 22 20° | 23 21° | 24 20° | 25  19° | 26  14° | 27 15° | 28  13° |
| 29 11° | 30 14° |
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Temperatures trend during September in Okanagan
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. | Overcast | 27° /12° | 0 mm | 7 | |
| 2 Sept. | Cloudy | 28° /11° | 1.8 mm | 6 | |
| 3 Sept. | Overcast | 24° /12° | 0 mm | 6 | |
| 4 Sept. | Patchy rain possible | 25° /10° | 0.1 mm | 6 | |
| 5 Sept. | Partly cloudy | 25° /11° | 0 mm | 7 | |
| 6 Sept. | Sunny | 28° /10° | 0 mm | 7 | |
| 7 Sept. | Sunny | 27° /10° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /11° | 0.5 mm | 6 | |
| 9 Sept. | Sunny | 25° /10° | 0 mm | 7 | |
| 10 Sept. | Sunny | 25° /9° | 0 mm | 7 | |
| 11 Sept. | Overcast | 20° /11° | 0.3 mm | 5 | |
| 12 Sept. | Overcast | 21° /9° | 0 mm | 5 | |
| 13 Sept. | Cloudy | 22° /9° | 0 mm | 6 | |
| 14 Sept. | Overcast | 21° /7° | 0.2 mm | 5 | |
| 15 Sept. | Sunny | 23° /6° | 0.1 mm | 6 | |
| 16 Sept. | Overcast | 24° /7° | 0 mm | 6 | |
| 17 Sept. | Cloudy | 24° /10° | 0 mm | 6 | |
| 18 Sept. | Partly cloudy | 21° /6° | 0 mm | 6 | |
| 19 Sept. | Overcast | 16° /5° | 0 mm | 4 | |
| 20 Sept. | Patchy rain possible | 15° /4° | 3.2 mm | 4 | |
| 21 Sept. | Mist | 19° /3° | 0 mm | 5 | |
| 22 Sept. | Sunny | 20° /8° | 2 mm | 5 | |
| 23 Sept. | Patchy rain possible | 21° /9° | 0 mm | 5 | |
| 24 Sept. | Patchy rain possible | 20° /8° | 0.3 mm | 5 | |
| 25 Sept. | Light drizzle | 19° /8° | 0.5 mm | 5 | |
| 26 Sept. | Thundery outbreaks possible | 14° /3° | 1 mm | 4 | |
| 27 Sept. | Light rain shower | 15° /5° | 3.6 mm | 4 | |
| 28 Sept. | Patchy light rain with thunder | 13° /3° | 6.2 mm | 3 | |
| 29 Sept. | Patchy rain possible | 11° /2° | 0.1 mm | 4 | |
| 30 Sept. | Patchy rain possible | 14° /1° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Okanagan 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 Okanagan forecast closer to your planned date for the most up-to-date weather information.
Okanagan in September - FAQ
What are the expected maximum and minimum temperatures in Okanagan 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 Okanagan during September?
Expect minimal rainfall in Okanagan during September, with a total of 19.8 mm over approximately 6 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Okanagan during September?
The average wind speed in Okanagan during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Okanagan
Explore the daily rainfall trends and prepare for Okanagans September weather 💧
UV exposure in Okanagan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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