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Penticton weather in September 2026
Expect daytime maximum temperatures of 70°F in Penticton, British Columbia in September based on long-term weather averages. There are 7 hours of sunshine per day on average.
- 70°F max day temperature
70 - 7 hours of sunshine per day
- 7 days with some rainfall
7 - 43°F min night temperature
43 - 13 hours of daylight per day
13 - No heat & humidity
0 - 0.9 inches of monthly rainfall
0.9 - 5 (Moderate) UV index
5
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Recommended for British Columbia
The September weather guide for British Columbia (Penticton) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about Canada
How hot is it in Penticton in September?
Daytime temperatures usually reach 66°F in Penticton in September, falling to 50°F at night.
How sunny is it in Penticton in September?
There are normally 6 hours of bright sunshine each day in Penticton in September - that's 49% of daylight hours.
How warm is the sea around Penticton in September?
The average sea temperature around Penticton in September is 59°F.
Does it rain in Penticton in September?
There are usually 10 days with some rain in Penticton in September and the average monthly rainfall is 3.1 inches.
Penticton September sunrise & sunset times
Browse the sunrise and sunset times for Penticton in September 2026. Select a month to view Penticton sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Tuesday, 1st September 2026 | 05:14 | 18:41 |
| Tuesday, 15th September 2026 | 05:35 | 18:11 |
| Wednesday, 30th September 2026 | 05:57 | 17:39 |
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