Climate guide for Jasper, Canada

Jasper in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
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September · Canada

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

Weather in Jasper in September

Average temperature 8°C, 47 mm of rain, about 9 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.0/10

Ranked #5 of 12 months

Full year for Jasper
Avg temp
8°C
Rainfall
47 mm
Humidity
75%
Days with 6h+ sun
9
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Jasper scores 7.0/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 8°C, 47 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.

Jasper's Icefields Parkway, glaciers and dark-sky parks make it the Rockies' quiet counterpart to Banff.

September in Jasper — reliably good (5th best month)

Expect 8°C (46°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 47 mm of rain this month — a flexible day or two helps — with about 9 days with 6+ hours of sunshine and 12.4 hours of daylight to work around it.

That is 7/10 on the same scale — 5th of 12 months, versus 9.3/10 for the best month here.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.

Budget for mid-season pricing, and crowds are moderate.

If your dates are flexible, July is materially better in Jasper — 2.3 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 Jasper in September?
In September, Jasper averages 8°C, 47 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 7.0/10.
Is September a good time to visit Jasper?
September earns a 7.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Jasper in September?
Expect about 47 mm of rain in September. Average humidity is 75% and there are about 9 days with 6+ hours of sunshine.

Curated in Jasper

Tickets & experiences

Things to do in Jasper

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