September · Ecuador
Best time to visit Quito in September Weather, crowds & prices
Weather in Quito in September
Average temperature 19°C, 35 mm of rain, about 17 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.1/10
Ranked #1 of 12 months
- Avg temp
- 19°C
- Rainfall
- 35 mm
- Humidity
- 74%
- Days with 6h+ sun
- 17
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Quito scores 9.1/10 for sightseeing and cultural travel - the single best month of the year. Expect around 19°C, 35 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
Quito's colonial centre sits in an Andean valley beneath volcanoes as the first UNESCO-listed old town.
September in Quito tops the year's climate scores
September averages 19°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 35 mm of rain — occasional showers rather than washed-out days — alongside about 17 days with 6+ hours of sunshine and 12 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Quito at 9.1/10 — the reference point every other month on this page is measured against.
Pack layers you can shed by midday plus one warm layer for the evening.
Figure on peak pricing, with 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 Quito in September?
- In September, Quito averages 19°C, 35 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is September a good time to visit Quito?
- September earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Quito in September?
- Expect about 35 mm of rain in September. Average humidity is 74% and there are about 17 days with 6+ hours of sunshine.
Curated in Quito
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Quito, Ecuador. Live activities and tours from GetYourGuide, matched to this destination.