September · Ecuador
Best time to visit Cotopaxi in September Weather, crowds & prices
Weather in Cotopaxi in September
Average temperature 9°C, 73 mm of rain, about 17 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.3/10
Ranked #1 of 12 months
- Avg temp
- 9°C
- Rainfall
- 73 mm
- Humidity
- 86%
- Days with 6h+ sun
- 17
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Cotopaxi scores 7.3/10 for nature and wildlife travel - the single best month of the year. Expect around 9°C, 73 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
Cotopaxi volcano rises from Andean páramo with refuge hikes and wild-horse views above Quito. Best window: the core winter snow season, with shoulder weeks for quieter slopes.
September in Cotopaxi tops the year's climate scores
Expect 9°C (49°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 73 mm of rain this month — a flexible day or two helps — with about 17 days with 6+ hours of sunshine and 12 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Cotopaxi at 7.3/10 — the reference point every other month on this page is measured against.
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 peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Cotopaxi in September?
- In September, Cotopaxi averages 9°C, 73 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 7.3/10.
- Is September a good time to visit Cotopaxi?
- September earns a 7.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cotopaxi in September?
- Expect about 73 mm of rain in September. Average humidity is 86% and there are about 17 days with 6+ hours of sunshine.
Curated in Cotopaxi
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Things to do in Cotopaxi
Cotopaxi, Ecuador. Live activities and tours from GetYourGuide, matched to this destination.