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Weather in Kelowna for September 2025

Your guide to Kelowna weather in September - trends and predictions
  • In general, the average temperature in Kelowna at the beginning of September is 24.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16 °C by the end of September.

  • Kelowna sees moderate rainfall in September, averaging 7 rainy days.

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/6°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
57 %
Avg humidity

Kelowna in September average weather

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Temperatures trend during September in Kelowna

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. Cloudy
Cloudy
27° /13° 0 mm 7
2 Sept. Sunny
Sunny
27° /11° 0.3 mm 7
3 Sept. Overcast
Overcast
22° /11° 0 mm 6
4 Sept. Patchy rain possible
Patchy rain possible
21° /11° 0.3 mm 6
5 Sept. Cloudy
Cloudy
24° /11° 0 mm 6
6 Sept. Sunny
Sunny
26° /11° 0 mm 7
7 Sept. Sunny
Sunny
24° /11° 0 mm 7
8 Sept. Sunny
Sunny
25° /13° 0 mm 7
9 Sept. Sunny
Sunny
27° /11° 0 mm 7
10 Sept. Sunny
Sunny
26° /11° 0 mm 6
11 Sept. Overcast
Overcast
19° /8° 1.1 mm 4
12 Sept. Overcast
Overcast
20° /7° 0 mm 5
13 Sept. Cloudy
Cloudy
18° /8° 0 mm 5
14 Sept. Sunny
Sunny
21° /8° 0.4 mm 5
15 Sept. Sunny
Sunny
21° /8° 0.2 mm 5
16 Sept. Partly cloudy
Partly cloudy
26° /10° 0 mm 7
17 Sept. Partly cloudy
Partly cloudy
23° /8° 0 mm 6
18 Sept. Patchy rain possible
Patchy rain possible
21° /4° 0.1 mm 5
19 Sept. Overcast
Overcast
17° /5° 0.5 mm 4
20 Sept. Light drizzle
Light drizzle
16° /2° 5.3 mm 4
21 Sept. Mist
Mist
21° /3° 0 mm 5
22 Sept. Sunny
Sunny
19° /9° 2 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
22° /7° 0 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
22° /7° 0.1 mm 5
25 Sept. Light drizzle
Light drizzle
20° /8° 2 mm 5
26 Sept. Thundery outbreaks possible
Thundery outbreaks possible
14° /4° 1.8 mm 3
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
14° /2° 3.1 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
12° /1° 0 mm 3
30 Sept. Patchy rain possible
Patchy rain possible
15° /0° 0 mm 4
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Important Notice
Our weather forecast for Kelowna 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 Kelowna forecast closer to your planned date for the most up-to-date weather information.

Kelowna in September - FAQ

What are the expected maximum and minimum temperatures in Kelowna during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Kelowna during September?
In September, Kelowna can expect light to moderate rainfall, totaling 30.6 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Kelowna during September?
The average wind speed in Kelowna during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Kelowna

Explore the daily rainfall trends and prepare for Kelownas September weather 💧

UV exposure in Kelowna during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Kelowna?

Get accurate weather forecasts for Kelowna, located at latitude 49.883 and longitude -119.486. Stay updated with localized weather information tailored for Kelowna.

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