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September in Cayambe sees daytime temperatures around 17°C (63°F) and lows of 7°C (45°F) at night. With around 122 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.
For Cayambe 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 Cayambe - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Cayambe typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cool, with lows around 9°C (48°F).
Browse day-by-day weather records for Cayambe spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 12 years of weather observations (2013-2025), these are the most extreme conditions recorded in Cayambe.
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).
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. 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 Cayambe 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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