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September in Cotacachi typically sees daytime highs of 20°C (68°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella.
For Cotacachi itself, August generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Cotacachi - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Cotacachi typically stay consistent throughout September, with daily highs averaging around 20°C (68°F). Nights are cool, with lows around 9°C (48°F).
Browse day-by-day weather records for Cotacachi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 12 years of weather records for Cotacachi, the following extremes were recorded between 2013 and 2025.
Find out more about the weather in Ecuador and which places have the best travel conditions in this month. See all of Ecuador in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Cotacachi climate overview or explore weather in Ecuador.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
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