Baños weather in September

September in Baños: warm, rainy, with clean air — fine if you can take 22 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Baños🇪🇨 Ecuador · Ecuadorian Andes · Trekking86
  1. 70Jan
  2. 68Feb
  3. 64Mar
  4. 68Apr
  5. 71May
  6. 76Jun
  7. 79Jul
  8. 86Aug
  9. 86Sep
  10. 74Oct
  11. 71Nov
  12. 69Dec

#2 of 12 months in Baños · #421 of 1413 destinations to visit in September · comfort 86/100 (tier A)

Days
22°C
Nights
14°C
Wet days
22
Sun
10.5 h
Humidity
87%
Daylight
12 h
Baños, Ecuador
Photo: Shad Meeg · Pexels

Traveller notes on Baños in September

Notes from nearby Quito (130 km away)

Baños doesn't have its own notes for September yet — these are about Quito, close enough to share the season.

September is the last month of Quito's dry season, and the word needs our row beside it: 181.1mm falls across 27.6 precipitation days, which is nearly every day of the month. Regulars explain the contradiction - it rains, but not all day and not every day, usually a short heavy downpour that gives way to sun again quickly - and they add a genuinely useful tell, which is that a distinct wind or strong breeze arrives before the rain and gives you time to get under something. Temperatures barely move on the equator: late mornings 55 to 60F, afternoons 60 to 70, which our row puts at 17.7C days and 9.3C nights, so light layers all day. The record: humidity 76 percent, 9.2 hours of sun and AQI 33.
TheWindComesBeforeTheRain · September · 1 month ago · about Quito · Read more on Tripadvisor ↗

Other months in Baños

Banos-forum threads on an October visit describe this as genuinely still within the favored season here, posters naming October through February as the broader window considered best. Regulars call late October the real start of the rainier stretch, several posters describing this shift as mild rather than dramatic, with rain typically arriving at night rather than disrupting daytime plans. Posters call days genuinely sunny through October, several regulars naming cooler evenings as the real reason layers matter even on a warm-looking day. Regulars call a rain jacket or umbrella genuinely worth packing regardless of the forecast, several threads naming this standard advice given how quickly Andes weather can shift. Posters recommend flexible outdoor plans around an October visit, several regulars calling this given how much conditions can vary within a single day. The record: 22.6C days, 15C nights, an extraordinarily high 240.6mm across nearly 29 days and 89 percent humidity.
BanosOctoberRegular · October · 1 month ago · Read more on Tripadvisor ↗
Banos-forum threads on April conditions describe this as genuinely mixed, posters calling a typical day sunny in the morning with cloud building by midday and a shower arriving in the afternoon before clearing again. Regulars call all-day rain fairly uncommon even in wetter months, more a predictable afternoon system than sustained downpours. Posters describe forecasts for Banos as notoriously unreliable, several calling the town warmer in practice than weather apps predict given its sheltered valley. Regulars recommend real layers regardless of forecast, temperature swinging between a sunny morning and an overcast afternoon. Posters call the town's thermal baths a genuine highlight any time of year, popular after a day on the surrounding waterfall routes. Regulars recommend checking current conditions with a guide before any higher-elevation activity. The record: 22.4C days feeling like 26C, 15.9C nights, an extraordinarily high 287.7mm across nearly 30 days and 91 percent humidity.
BanosAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
Banos-forum threads on the best weather month here are candid there isn't a clear winner, this cloud-forest town wet nearly year-round with real showers a near-daily feature. Posters call humidity a bigger factor than the moderate temperature reading suggests, the air staying heavy regardless of whether a shower is falling. Regulars recommend real waterproof gear as standing advice, the thermal baths and waterfall walks both genuinely enjoyable in a downpour given how much of the appeal is already water-based. Posters describe sun as breaking through in patches rather than a full clear day, worth building flexibility into plans. Regulars call the waterfalls at their most dramatic this time of year, higher flow a direct upside of the wetter pattern. Posters recommend the town's thermal springs as a reliable plan regardless of the sky. The record: 22.4C days feeling like a punishing 26C, 15.6C nights, an extraordinarily high 279.2mm across nearly 30 days and 90 percent humidity.
BanosJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗
Banos-forum threads on the year's weather pattern place May solidly within the wetter stretch of the calendar, the town's proximity to the Amazon side of the Andes keeping afternoon showers a near-daily feature through the middle of the year. Posters describe a workable rhythm though - mornings frequently open sunny and warm, with the heavier activity building through the afternoon, so an early start on outdoor plans like the waterfall route or the swing at Casa del Arbol tends to pay off. Regulars call comfortable moderate temperatures the norm regardless of the shower pattern, layering for a cool evening rather than serious heat or cold. Standing advice across threads is packing real waterproof gear and treating a clear morning as a bonus rather than a given. The record: 22.1C days feeling like 23C, 15.6C nights, an extraordinarily high 315mm across over 30 days and 92 percent humidity.
BanosMayRegular · May · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Baños's card on the map.

Baños climate normals — September

Daytime high22°C / 72°F🌤 warm
Nighttime low14°C / 58°F
Feels like (high)25°C / 77°F
Rainfall107 mm / 4.2 in🌧 rainy
Rainy days22 days
Humidity87%💦 very humid
Dew point15°C / 60°F
Sunshine10.5 h/day
Daylight12.1 h
Wind9 km/h / 6 mph
Air quality (US AQI)30🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Baños in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Busyschool holidays in 2 of the markets that fill it, one of its best months for weather(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Baños's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherBaños's weather peaks July–September, best around August.

JFMAMJJASOND

Best weatherFair weatherToughest weather

Nearby, and something's on

Within 300 km of Baños — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Baños?

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Baños in September — FAQ

Is September a good time to visit Baños?
September in Baños: warm, rainy, with clean air — fine if you can take 22 rainy days. It ranks #2 of 12 months for Baños on SeasonMap's comfort score (86/100).
What is the weather like in Baños in September?
In September, Baños averages a daily high of 22.1°C and a low of 14.3°C, with about 106.9 mm of rain over roughly 22.2 rainy days.
What is the air quality in Baños in September?
Baños has a mean US Air Quality Index of about 30 in September.

Within 300 km: Quito's Dry and windy months around 1 Jun – 15 Sep.