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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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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/7°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
56 %
Avg humidity

Okanagan in September average weather

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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
Overcast
27° /12° 0 mm 7
2 Sept. Cloudy
Cloudy
28° /11° 1.8 mm 6
3 Sept. Overcast
Overcast
24° /12° 0 mm 6
4 Sept. Patchy rain possible
Patchy rain possible
25° /10° 0.1 mm 6
5 Sept. Partly cloudy
Partly cloudy
25° /11° 0 mm 7
6 Sept. Sunny
Sunny
28° /10° 0 mm 7
7 Sept. Sunny
Sunny
27° /10° 0 mm 7
8 Sept. Sunny
Sunny
27° /11° 0.5 mm 6
9 Sept. Sunny
Sunny
25° /10° 0 mm 7
10 Sept. Sunny
Sunny
25° /9° 0 mm 7
11 Sept. Overcast
Overcast
20° /11° 0.3 mm 5
12 Sept. Overcast
Overcast
21° /9° 0 mm 5
13 Sept. Cloudy
Cloudy
22° /9° 0 mm 6
14 Sept. Overcast
Overcast
21° /7° 0.2 mm 5
15 Sept. Sunny
Sunny
23° /6° 0.1 mm 6
16 Sept. Overcast
Overcast
24° /7° 0 mm 6
17 Sept. Cloudy
Cloudy
24° /10° 0 mm 6
18 Sept. Partly cloudy
Partly cloudy
21° /6° 0 mm 6
19 Sept. Overcast
Overcast
16° /5° 0 mm 4
20 Sept. Patchy rain possible
Patchy rain possible
15° /4° 3.2 mm 4
21 Sept. Mist
Mist
19° /3° 0 mm 5
22 Sept. Sunny
Sunny
20° /8° 2 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
21° /9° 0 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
20° /8° 0.3 mm 5
25 Sept. Light drizzle
Light drizzle
19° /8° 0.5 mm 5
26 Sept. Thundery outbreaks possible
Thundery outbreaks possible
14° /3° 1 mm 4
27 Sept. Light rain shower
Light rain shower
15° /5° 3.6 mm 4
28 Sept. Patchy light rain with thunder
Patchy light rain with thunder
13° /3° 6.2 mm 3
29 Sept. Patchy rain possible
Patchy rain possible
11° /2° 0.1 mm 4
30 Sept. Patchy rain possible
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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Location coordinates Where is Okanagan?

Get accurate weather forecasts for Okanagan, located at latitude 50.364 and longitude -119.35. Stay updated with localized weather information tailored for Okanagan.

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