September offers stable weather across many regions, with warming days on the coast and continued dryness in the Andes. This is still considered part of Ecuador's main visitor season for highland and Galápagos trips.
SeasonHigh SeasonTemperature 9-28°C (48-82°F)Crowds HighPrices High
High seasonShoulderLow season
Weather by City in September
CityLow / highRain
Quito
Cool
7°20° 77 mm
Guayaquil
Warm
20°30° 3 mm
Tumebamba
Cool
8°21° 51 mm
Santo Domingo
Mild
18°26° 78 mm
Ambato
Cool
8°20° 37 mm
Portoviejo
Warm
19°30° 11 mm
Durán
Warm
20°29° 2 mm
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Temperature map
-30°-20°-10°0°10°20°30°40°
Average temperature across Ecuador in September.
Where to Go in Ecuador in September
Pacific Coast
Guayaquil, Salinas, Manta, Montañita
September is often sunny and warm with minimal rain along much of the coast; this is prime season for beach vacations, seafood festivals, and surfing tournaments. Guayaquil can be quite hot in the afternoons, so plan city sightseeing for mornings or late afternoons when the sea breeze moderates temperatures. Travelers will find reliable ferry and flight schedules and crowded weekends in popular resorts.
Northern Highlands
Otavalo, Ibarra, Cayambe, Imbabura
September keeps the highlands dry and cool, with prolonged sunny spells that favor long hikes and driving between towns like Ibarra and Cotacachi. Birdwatching improves as skies clear and visibility increases on mountaintops, while evening temperatures remain brisk. Bring thermal layers for pre-dawn departures and plan treks for the morning before any localized cloud build-up.
Central Highlands & Quito Area
Quito, Cotopaxi, Latacunga, Baños
September keeps the pattern of clear days and chilly nights, offering peak visibility across the sierra and comfortable daytime temperatures for exploration. Cultural festivals sometimes occur as towns take advantage of the dry weather; make lodging reservations early for these events. Pack sun protection and a warm layer for evenings and keep water for high-altitude exertion.
Southern Highlands
Cuenca, Loja, Vilcabamba, Cajas
September remains dry and pleasant, with long days for outdoor excursions and stable mountain weather that favors multi-day treks. Cuenca’s cultural calendar and nearby archaeological sites are straightforward to visit with minimal weather disruption. Pack a range of layers for the highland temperature swings and be ready for cooler pre-dawn starts.
Amazon Basin
Tena, Coca, Lago Agrio, Yasuní
September typically remains in the drier window with lower rivers and good visibility for wildlife watching along river margins; lodges are fully operational for trekking and canopy activities. The rainforest is lush but less waterlogged, making trails more passable and night walks safer. Travelers should plan early starts for wildlife activity and carry sun protection for exposed riverbanks.
Galápagos Islands
Santa Cruz/Puerto Ayora, San Cristóbal, Isabela, Floreana
September is among the coolest months with persistent upwelling and nutrient-rich waters that fuel excellent diving; penguins and sea birds take advantage of the abundant food. Land mornings can be foggy and chilly, so warm clothing for early wake-ups is helpful. Travelers should consider wet suits for snorkeling, and expect steady winds that might affect small-boat comfort.
Events & Festivals in September
There are no major festivals or events in Ecuador during September to be aware of.
Planning a trip to Ecuador?
See how September compares with the rest of the year, then read the full guide.