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Canada weather

Weather in Penticton for September 2026

Your guide to Penticton weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Penticton at the beginning of September is 29.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.6 °C by the end of September.

    • Rain 🌧️

  • Penticton experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 18.6 mm.

    • More

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/4°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
55 %
Avg humidity

Penticton Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
32°
2
Partly cloudy
32°
3
Sunny
29°
4
Sunny
29°
5
Sunny
29°
6
Sunny
30°
7
Sunny
28°
8
Partly cloudy
29°
9
Sunny
25°
10
Sunny
26°
11
Overcast
24°
12
Overcast
25°
13
Overcast
26°
14
Sunny
23°
15
Sunny
25°
16
Sunny
26°
17
Sunny
25°
18
Patchy rain possible
23°
19
Overcast
20°
20
Light freezing rain
19°
21
Sunny
20°
22
Sunny
21°
23
Patchy rain possible
22°
24
Sunny
23°
25
Light rain
19°
26
Light freezing rain
16°
27
Light freezing rain
18°
28
Overcast
18°
29
Patchy rain possible
14°
30
Patchy rain possible
15°

Temperatures trend during September in Penticton

See the weather trend as well as the moving average line

September weather in Penticton day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 32° /8° 0 mm 8
2 Sept. Partly cloudy
Partly cloudy
 32° /11° 1 mm 8
3 Sept. Sunny
Sunny
 29° /9° 0 mm 7
4 Sept. Sunny
Sunny
 29° /7° 0 mm 7
5 Sept. Sunny
Sunny
 29° /7° 0 mm 7
6 Sept. Sunny
Sunny
 30° /7° 0 mm 7
7 Sept. Sunny
Sunny
 28° /8° 2.3 mm 6
8 Sept. Partly cloudy
Partly cloudy
 29° /10° 0 mm 7
9 Sept. Sunny
Sunny
 25° /11° 1.4 mm 6
10 Sept. Sunny
Sunny
 26° /7° 0 mm 6
11 Sept. Overcast
Overcast
 24° /6° 1.6 mm 5
12 Sept. Overcast
Overcast
 25° /8° 0 mm 6
13 Sept. Overcast
Overcast
 26° /3° 0 mm 6
14 Sept. Sunny
Sunny
 23° /5° 0.1 mm 6
15 Sept. Sunny
Sunny
 25° /6° 0.2 mm 6
16 Sept. Sunny
Sunny
 26° /5° 0 mm 6
17 Sept. Sunny
Sunny
 25° /9° 0 mm 6
18 Sept. Patchy rain possible
Patchy rain possible
 23° /8° 0.1 mm 5
19 Sept. Overcast
Overcast
 20° /5° 0 mm 5
20 Sept. Light freezing rain
Light freezing rain
 19° /1° 0.8 mm 5
21 Sept. Sunny
Sunny
 20° /5° 3 mm 5
22 Sept. Sunny
Sunny
 21° /3° 0 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 22° /5° 0 mm 5
24 Sept. Sunny
Sunny
 23° /8° 0 mm 6
25 Sept. Light rain
Light rain
 19° /5° 2.1 mm 4
26 Sept. Light freezing rain
Light freezing rain
 16° /4° 1 mm 4
27 Sept. Light freezing rain
Light freezing rain
 18° /6° 1.4 mm 4
28 Sept. Overcast
Overcast
 18° /1° 3.9 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
 14° /3° 2.6 mm 4
30 Sept. Patchy rain possible
Patchy rain possible
 15° /0° 3.6 mm 4
Next
Important Notice
Our weather forecast for Penticton 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 Penticton forecast closer to your planned date for the most up-to-date weather information.
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Penticton in September - FAQ

What are the expected maximum and minimum temperatures in Penticton during September?
During September, expect a variety of temperatures with highs around 22° and lows near 4°, suitable for diverse activities and preferences.
How much rainfall should be expected in Penticton during September?
Expect minimal rainfall in Penticton during September, with a total of 18.6 mm over approximately 7 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Penticton during September?
The average wind speed in Penticton during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Penticton

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

UV exposure in Penticton during September

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

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Location coordinates Where is Penticton?

Get accurate weather forecasts for Penticton, located at latitude 49.481 and longitude -119.586. Stay updated with localized weather information tailored for Penticton.

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