Climate guide for Moraine Lake, Canada

Moraine Lake in September

Weather, crowds & best time to visit

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September · Canada

Best time to visit Moraine Lake in September Weather, crowds & prices

Weather in Moraine Lake in September

Average temperature 6°C, 54 mm of rain, about 10 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

6.7/10

Ranked #5 of 12 months

Full year for Moraine Lake
Avg temp
6°C
Rainfall
54 mm
Humidity
78%
Days with 6h+ sun
10
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Moraine Lake scores 6.7/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 6°C, 54 mm of rain, and roughly 10 days with 6+ hours of sunshine this month.

Moraine Lake in Banff National Park glows turquoise beneath the Valley of the Ten Peaks and a wall of mountains.

September in Moraine Lake — workable with trade-offs

Expect 6°C (44°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 54 mm of rain this month — a flexible day or two helps — with about 10 days with 6+ hours of sunshine and 12.4 hours of daylight to work around it.

That is 6.7/10 on the same scale — 5th of 12 months, versus 9.2/10 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.

Expect mid-season pricing, and crowds are moderate.

If your dates are flexible, July is materially better in Moraine Lake — 2.5 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 Moraine Lake in September?
In September, Moraine Lake averages 6°C, 54 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 6.7/10.
Is September a good time to visit Moraine Lake?
September earns a 6.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Moraine Lake in September?
Expect about 54 mm of rain in September. Average humidity is 78% and there are about 10 days with 6+ hours of sunshine.

Curated in Moraine Lake

Tickets & experiences

Things to do in Moraine Lake

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