Guatapé weather in September
September in Guatapé: warm, soaked, with clean air — fine if you can take 19 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#6 of 12 months in Guatapé · #608 of 1413 destinations to visit in September · comfort 82/100 (tier A)
- Days
- 25°C
- Nights
- 15°C
- Wet days
- 19
- Sun
- 10 h
- Humidity
- 79%
- Daylight
- 12 h

Traveller notes on Guatapé in September
Notes from nearby Medellín (45 km away)
Guatapé doesn't have its own notes for September yet — these are about Medellín, close enough to share the season.
Regulars are specific that rain here varies so much by neighborhood that it can be genuinely pouring in Poblado while a nearby area like Laureles stays sunny at the very same hour, weather apps notoriously unreliable at capturing that hyperlocal split. Our row backs that hot, genuinely wet read, 28.7C reading as a hot 33C, over 18.1C nights, with a substantial 222.6mm of rain across an extraordinary 26.5 days and humidity at 84 percent. Regulars are consistent that a downpour typically lasts only 30 minutes to an hour, usually arriving in late afternoon, with plenty of nice weather still available earlier in the day. A compact umbrella carried at all times is the standard advice rather than trusting any single forecast. The record: 9.9 hours of sun, a 6.6 kph wind and AQI 49.
Other months in Guatapé
Regulars are specific one recent visitor described conditions around Guatape and nearby El Penol as torrential and near non-stop for weeks, muddy ground underfoot, while a long-term Medellin resident pushed back on that same stretch, saying it hadn't been cloudy and rainy every day and they'd been applying sunscreen and exercising outdoors regularly. Our row backs that mild, genuinely wet read, 19.8C over 14.7C nights feeling 15C, with a substantial 91.5mm of rain across 13.9 days and humidity at 73.7 percent. Regulars are consistent the honest read lands in between those two accounts, real and sometimes heavy rain a genuine feature of this window but patchy and variable day to day rather than a constant washout. The record: 10.4 hours of sun, a 10.3 kph wind and AQI 37.
Forum posters describe January through March as offering notably better weather than the often-cloudy norm around Medellin, the coffee region and Guatape, with temperatures in Guatape itself typically in the low 20sC. Posters are consistent that rain here falls sporadically rather than as a sustained washout, and that most planned activities remain doable even on an unlucky day. Posters flag real microclimates shaped by the surrounding mountains and valleys - it can be raining in one spot while staying sunny just a mile away - making general weather reports for the wider region less useful than checking conditions close to the visit itself. Posters generally rate January as one of the more reliable months for exploring Guatape's rock and reservoir.
Guatapé's forum describes July as following a near-daily rhythm — regulars say it's almost always the same pattern, rain in the morning that clears by afternoon, or the reverse, rather than a day lost entirely to weather. Worth building flexibility into the day's plans around whichever half turns out clear.
Add your own note from Guatapé's card on the map.
Guatapé climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Guatapé 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.
Shoulder seasonschool holidays in 2 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Guatapé'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).
Fair weatherGuatapé's best weather comes in January, July and August — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Guatapé in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Second rainy season
15 Sep – 15 Nov · usuallyMonsoonThe second wet spell of the year is the wetter one for eastern Antioquia, and the reservoir sits under low cloud for days at a time. Prices ease and the town is briefly local again.
Nearby, and something's on
Within 300 km of Guatapé — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Guatapé?
Guatapé in September — FAQ
- Is September a good time to visit Guatapé?
- September in Guatapé: warm, soaked, with clean air — fine if you can take 19 rainy days. It ranks #6 of 12 months for Guatapé on SeasonMap's comfort score (82/100).
- What is the weather like in Guatapé in September?
- In September, Guatapé averages a daily high of 24.6°C and a low of 14.9°C, with about 158.3 mm of rain over roughly 19.4 rainy days.
- What is the air quality in Guatapé in September?
- Guatapé has a mean US Air Quality Index of about 39 in September.
Within 300 km: Medellín's Fiesta del Libro y la Cultura around 11–20 Sep, and Villa de Leyva's Festival Villa del Cine around 20–30 Sep.