SeasonMapCayo Coco (Jardines del Rey) weather in September
Cuba
September in Cayo Coco: hot, rainy, with clean air — fine if you can take 19 rainy days.
#9 of 12 months in Cayo Coco · #540 of 1383 destinations to visit in September · comfort 84/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cayo Coco in September
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Cayo Coco climate normals — September
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 81°F | |
| Sea temperature | 31°C / 88°F | ♨️ bath-warm |
| Rainfall | 111 mm / 4.4 in | 🌧 rainy |
| Rainy days | 19 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12.3 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
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.
Shoulder seasonschool holidays in 2 of the markets that fill it, an ordinary month(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: hot, rainy, with clean air — fine if you can take 19 rainy days. It ranks #9 of 12 months for Cayo Coco on SeasonMap's comfort score (84/100).
- What is the weather like in Cayo Coco in September?
- In September, Cayo Coco averages a daily high of 29.3°C and a low of 27.2°C, with about 111.4 mm of rain over roughly 19 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.