September · Canada
Best time to visit Penticton in September Weather, crowds & prices
Weather in Penticton in September
Average temperature 12°C, 28 mm of rain, about 13 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
5.2/10
Ranked #6 of 12 months
- Avg temp
- 12°C
- Rainfall
- 28 mm
- Humidity
- 66%
- Days with 6h+ sun
- 13
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Penticton scores 5.2/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 12°C, 28 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Penticton bookends Okanagan Lake and Skaha Lake with beaches, vineyard rows, and the Kettle Valley Rail Trail.
September in Penticton — workable with trade-offs
September averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 28 mm of rain — occasional showers rather than washed-out days — alongside about 13 days with 6+ hours of sunshine and 12.3 daylight hours.
It scores 5.2/10 here, 6th of 12 months, against 7.8/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? July scores 2.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Penticton in September?
- In September, Penticton averages 12°C, 28 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 5.2/10.
- Is September a good time to visit Penticton?
- September earns a 5.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Penticton in September?
- Expect about 28 mm of rain in September. Average humidity is 66% and there are about 13 days with 6+ hours of sunshine.
Curated in Penticton
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Penticton, Canada. Live activities and tours from GetYourGuide, matched to this destination.