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Weather in Okanagan for September 2026

Your guide to Okanagan weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Okanagan is cooler than usual, with temperatures averaging 22.6 °C, this is 3.5 °C below the typical seasonal average.

  • The forecast for the next days in Okanagan predicts a temperature of 19.9 °C, which is cooler than the historical average.

  • In general, the average temperature in Okanagan at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15 °C by the end of September.

    • Rain 🌧️

  • Okanagan experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 19.5 mm.

    • More

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

Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/9°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
53 %
Avg humidity

Okanagan Weather September

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

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. Overcast
Overcast
 30° /14° 0 mm 6
2 Sept. Cloudy
Cloudy
 28° /14° 8.6 mm 6
3 Sept. Partly cloudy
Partly cloudy
 25° /13° 4.6 mm 5
4 Sept. Sunny
Sunny
 25° /11° 0.5 mm 6
5 Sept. Sunny
Sunny
 25° /11° 0 mm 6
6 Sept. Sunny
Sunny
 28° /12° 0 mm 7
7 Sept. Sunny
Sunny
 26° /13° 0.2 mm 5
8 Sept. Sunny
Sunny
 27° /11° 0.2 mm 6
9 Sept. Overcast
Overcast
 23° /11° 0.2 mm 5
10 Sept. Partly cloudy
Partly cloudy
 24° /10° 1 mm 6
11 Sept. Overcast
Overcast
 22° /11° 0.1 mm 4
12 Sept. Sunny
Sunny
 19° /5° 0 mm 4.3
13 Sept. Overcast
Overcast
 17° /6° 0 mm 4.8
14 Sept. Overcast
Overcast
 17° /6° 1.4 mm 4.4
15 Sept. Sunny
Sunny
 18° /8° 0.1 mm 5
16 Sept. Sunny
Sunny
 21° /6° 0 mm 6
17 Sept. Sunny
Sunny
 22° /8° 0 mm 6
18 Sept. Sunny
Sunny
 23° /9° 0 mm 6
19 Sept. Sunny
Sunny
 24° /11° 0 mm 6
20 Sept. Sunny
Sunny
 24° /12° 0 mm 6
21 Sept. Overcast
Overcast
 24° /13° 0 mm 6
22 Sept. Sunny
Sunny
 21° /10° 0 mm 6
23 Sept. Overcast
Overcast
 19° /11° 1 mm 5
24 Sept. Sunny
Sunny
 15° /9° 1.2 mm 4
25 Sept. Sunny
Sunny
 15° /3° 0 mm 5
26 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 15° /3° 0.7 mm 4
27 Sept. Overcast
Overcast
 16° /6° 2.4 mm 4
28 Sept. Overcast
Overcast
 16° /5° 4.1 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
 13° /4° 0.1 mm 4
30 Sept. Patchy rain possible
Patchy rain possible
 15° /3° 1.4 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 22° and cooler nights around 9°. 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 19.5 mm over approximately 7 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 💧
Typically, Okanagan has 7 rainy days in September with a total of 19.5 mm of rainfall.

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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