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

Cayo Coco🇨🇺 Cuba · Greater Antilles · Island79
  1. 88Jan
  2. 92Feb
  3. 92Mar
  4. 91Apr
  5. 83May
  6. 85Jun
  7. 84Jul
  8. 83Aug
  9. 79Sep
  10. 79Oct
  11. 85Nov
  12. 88Dec

#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
Cayo Coco, Cuba
Photo: Rickybolgia · Public domain

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.
JardinesDelReyRegular · August · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

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

Cayo Coco climate normals — September

Daytime high32°C / 89°F🔥 sweltering
Nighttime low25°C / 77°F
Feels like (high)38°C / 100°F
Sea temperature31°C / 88°F♨️ bath-warm
Rainfall151 mm / 5.9 in⛈ soaked
Rainy days20 days
Humidity79%💦 very humid
Dew point25°C / 76°F
Sunshine10.6 h/day
Daylight12.3 h
Wind19 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.

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

JFMAMJJASOND

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.

JFMAMJJASOND

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 Nov

    Hurricane 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 ↗

What's on around the world in September →

Where is Cayo Coco?

Loading map…

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.