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 sees moderate rainfall in September, averaging 6 rainy days.
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24
Dry days
6
Rainy days
0
Snow days
21°/7°
Temperatures
8 km/h
Avg max wind
56 %
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 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Okanagan during September?
In September, Okanagan can expect light to moderate rainfall, totaling 29.8 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
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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