Climate guide for Colca Canyon, Peru

Colca Canyon in September

Weather, crowds & best time to visit

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September · Peru

Best time to visit Colca Canyon in September Weather, crowds & prices

Weather in Colca Canyon in September

Average temperature 7°C, 4 mm of rain, about 30 days with 6+ hours of sunshine and 40% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.9/10

Ranked #6 of 12 months

Full year for Colca Canyon
Avg temp
7°C
Rainfall
4 mm
Humidity
40%
Days with 6h+ sun
30
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Colca Canyon scores 8.9/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 7°C, 4 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.

The Colca valley's terraces and canyon are the classic condor-watching route near Arequipa.

September is one of the strongest months in Colca Canyon (6th)

September averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 4 mm for the month, with about 30 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.

A 8.9/10 puts this among the year's best months in Colca Canyon (6th of 12); only November scores higher, at 9.3/10.

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

Figure on mid-season pricing, with crowds are moderate.

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 Colca Canyon in September?
In September, Colca Canyon averages 7°C, 4 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.9/10.
Is September a good time to visit Colca Canyon?
September earns a 8.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Colca Canyon in September?
Expect about 4 mm of rain in September. Average humidity is 40% and there are about 30 days with 6+ hours of sunshine.

Curated in Colca Canyon

Tickets & experiences

Things to do in Colca Canyon

Colca Canyon, Peru. Live activities and tours from GetYourGuide, matched to this destination.