Cayo Coco (Jardines del Rey) weather in September
September in Cayo Coco: sweltering, soaked, with clean air — fine if you can take 20 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#11 of 12 months in Cayo Coco · #719 of 1413 destinations to visit in September · comfort 79/100 (tier B)
- Days
- 32°C
- Nights
- 25°C
- Wet days
- 20
- Sun
- 10.6 h
- Humidity
- 79%
- Daylight
- 12 h

Traveller notes on Cayo Coco in September
Other months in Cayo Coco
Cayo Coco's forum describes August as genuinely hot and humid, with the typical rain pattern being a brief, isolated shower triggered by daytime heating - posters specifically pointed to late afternoon, often around 4pm, as the likeliest window, hit-or-miss and usually over quickly. It's technically hurricane season, but posters noted actual direct impacts are relatively rare in a given year. The trade-off several regulars highlighted: genuinely lower prices and a quieter island in exchange for accepting both the heat and the storm-season risk.
Forum posters describe February as one of the least rainy months here, typically only around 6 days of any precipitation across the whole month, with some of those just a brief 10-minute shower. Posters do flag real variability: an unlucky visitor can catch a cold front that lingers about three days and drops temperatures as low as 16C, with mid-February generally reported as a touch warmer and more settled than the first half of the month. A near-constant coastal breeze is described as a welcome cooling presence on warmer days, though posters recommend packing a light sweater or jacket just in case a cooler, breezier stretch rolls through.
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Cayo Coco climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Cayo Coco 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.
Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Cayo Coco'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 weatherCayo Coco's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Cayo Coco in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Hurricane season
1 Jun – 30 NovHurricane Irma made a direct hit on 9 September 2017, tearing up the resort strip and the airport before the island could be fully evacuated. The cay hangs off the mainland by a single causeway, and that road is the first thing closed when a system tracks close. Source ↗
Where is Cayo Coco?
Cayo Coco in September — FAQ
- Is September a good time to visit Cayo Coco?
- September in Cayo Coco: sweltering, soaked, with clean air — fine if you can take 20 rainy days. It ranks #11 of 12 months for Cayo Coco on SeasonMap's comfort score (79/100).
- What is the weather like in Cayo Coco in September?
- In September, Cayo Coco averages a daily high of 31.9°C and a low of 24.9°C, with about 150.6 mm of rain over roughly 19.6 rainy days.
- What is the air quality in Cayo Coco in September?
- Cayo Coco has a mean US Air Quality Index of about 31 in September.