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Canada weather

Weather in Okanagan for September 2025

Your guide to Okanagan weather in September - trends and predictions

    Temperatures

  • So far, September 2025 in Okanagan shows a warmer trend than usual by 2.3 °C.

  • The forecast for the next days in Okanagan predicts a temperature of 21.2 °C, which is cooler than the historical average.

  • In general, the average temperature in Okanagan at the beginning of September is 28 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.6 °C by the end of September.

    • Rain 🌧️

  • Okanagan experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 19.8 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/8°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
55 %
Avg humidity

Okanagan Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
30°
2
Cloudy
30°
3
Partly cloudy
27°
4
Sunny
27°
5
Sunny
26°
6
Sunny
29°
7
Sunny
27°
8
Sunny
26°
9
Sunny
23°
10
Partly cloudy
25°
11
Overcast
23°
12
Overcast
23°
13
Cloudy
24°
14
Overcast
22°
15
Cloudy
25°
16
Sunny
25°
17
Sunny
26°
18
Sunny
23°
19
Sunny
26°
20
Partly cloudy
28°
21
Patchy rain possible
23°
22
Partly cloudy
18°
23
Partly cloudy
17°
24
Partly cloudy
21°
25
Moderate rain
14°
26
Patchy rain possible
15°
27
Patchy rain possible
14°
28
Patchy light rain with thunder
13°
29
Patchy rain possible
11°
30
Patchy rain possible
14°

Temperatures trend during September in Okanagan

See the weather trend as well as the moving average line

September weather in Okanagan day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 30° /14° 0 mm 7
2 Sept. Cloudy
Cloudy
 30° /13° 1.2 mm 7
3 Sept. Partly cloudy
Partly cloudy
 27° /14° 0 mm 6
4 Sept. Sunny
Sunny
 27° /12° 0.1 mm 7
5 Sept. Sunny
Sunny
 26° /12° 0 mm 7
6 Sept. Sunny
Sunny
 29° /13° 0 mm 7
7 Sept. Sunny
Sunny
 27° /13° 0 mm 7
8 Sept. Sunny
Sunny
 26° /12° 0.3 mm 6
9 Sept. Sunny
Sunny
 23° /10° 0 mm 6
10 Sept. Partly cloudy
Partly cloudy
 25° /9° 0 mm 7
11 Sept. Overcast
Overcast
 23° /12° 0.2 mm 5
12 Sept. Overcast
Overcast
 23° /10° 0 mm 5
13 Sept. Cloudy
Cloudy
 24° /10° 0 mm 6
14 Sept. Overcast
Overcast
 22° /14° 0 mm 0.7
15 Sept. Cloudy
Cloudy
 25° /11° 0 mm 1.1
16 Sept. Sunny
Sunny
 25° /13° 0 mm 1.1
17 Sept. Sunny
Sunny
 26° /13° 0 mm 1.1
18 Sept. Sunny
Sunny
 23° /10° 0 mm 0
19 Sept. Sunny
Sunny
 26° /11° 0 mm 5
20 Sept. Partly cloudy
Partly cloudy
 28° /13° 0.1 mm 5
21 Sept. Patchy rain possible
Patchy rain possible
 23° /8° 0.3 mm 3
22 Sept. Partly cloudy
Partly cloudy
 18° /7° 0 mm 4
23 Sept. Partly cloudy
Partly cloudy
 17° /6° 0 mm 4
24 Sept. Partly cloudy
Partly cloudy
 21° /8° 0 mm 4
25 Sept. Moderate rain
Moderate rain
 14° /9° 13.5 mm 3
26 Sept. Patchy rain possible
Patchy rain possible
 15° /5° 1.7 mm 2
27 Sept. Patchy rain possible
Patchy rain possible
 14° /4° 0.1 mm 2
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
Next
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.
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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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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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