Climate guide for Osoyoos, Canada

Osoyoos in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Canada

Best time to visit Osoyoos in September Weather, crowds & prices

Weather in Osoyoos in September

Average temperature 15°C, 19 mm of rain, about 13 days with 6+ hours of sunshine and 58% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

5.2/10

Ranked #6 of 12 months

Full year for Osoyoos
Avg temp
15°C
Rainfall
19 mm
Humidity
58%
Days with 6h+ sun
13
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Osoyoos scores 5.2/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 15°C, 19 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.

Osoyoos wraps Canada's warmest lake with desert scrub, winery terraces, and long sunny Okanagan afternoons.

September in Osoyoos — workable with trade-offs

Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.

With around 19 mm of rain, any showers tend to pass through rather than settle in; about 13 days with 6+ hours of sunshine and 12.3 hours of daylight fill the rest.

That is 5.2/10 on the same scale — 6th of 12 months, versus 9.2/10 for the best month here.

Pack layers you can shed by midday plus one warm layer for the evening.

Expect low-season pricing, and crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.

If your dates are flexible, July is materially better in Osoyoos — 4 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Osoyoos in September?
In September, Osoyoos averages 15°C, 19 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 Osoyoos?
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 Osoyoos in September?
Expect about 19 mm of rain in September. Average humidity is 58% and there are about 13 days with 6+ hours of sunshine.

Curated in Osoyoos

Tickets & experiences

Things to do in Osoyoos

Osoyoos, Canada. Live activities and tours from GetYourGuide, matched to this destination.