Weather in Cayo Santa Maria for September 2025
Until now, September 2025 in Cayo Santa Maria has been nearly identical to the historical average, with a temperature of 29 °C (showing only a slight deviation of -0.1 °C).
The forecast for the next days in Cayo Santa Maria predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Cayo Santa Maria at the beginning of September is 29.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.9 °C by the end of September.
Cayo Santa Maria in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 181.2 mm.
Is September a good time to visit Cayo Santa Maria? check out the best time to travel to Cayo Santa Maria page.
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Cayo Santa Maria Weather September
Temperatures trend during September in Cayo Santa Maria
September weather in Cayo Santa Maria day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 29° /28° | 13.1 mm | 6 | |
| 2 Sept. |  Patchy light rain with thunder | 29° /27° | 16.4 mm | 6 | |
| 3 Sept. | Patchy rain possible | 29° /27° | 51.5 mm | 6 | |
| 4 Sept. | Patchy light rain with thunder | 29° /28° | 4.3 mm | 6 | |
| 5 Sept. | Patchy rain possible | 29° /27° | 12.2 mm | 6 | |
| 6 Sept. | Patchy rain possible | 30° /28° | 3.3 mm | 7 | |
| 7 Sept. | Patchy rain possible | 29° /28° | 1.4 mm | 6 | |
| 8 Sept. | Patchy rain possible | 29° /27° | 4.3 mm | 6 | |
| 9 Sept. | Light rain shower | 29° /27° | 1.6 mm | 7 | |
| 10 Sept. | Patchy rain possible | 29° /27° | 0.6 mm | 7 | |
| 11 Sept. | Patchy rain possible | 29° /28° | 0.6 mm | 6 | |
| 12 Sept. |  Sunny | 29° /28° | 0.4 mm | 7 | |
| 13 Sept. | Patchy rain possible | 29° /28° | 0.3 mm | 6 | |
| 14 Sept. |  Moderate rain | 29° /27° | 6 mm | 2.2 | |
| 15 Sept. |  Partly cloudy | 30° /28° | 0 mm | 2.6 | |
| 16 Sept. | Partly cloudy | 30° /29° | 0 mm | 2.6 | |
| 17 Sept. |  Heavy rain | 28° /28° | 21.6 mm | 1.1 | |
| 18 Sept. | Moderate rain | 30° /28° | 6.5 mm | 0 | |
| 19 Sept. | Patchy rain possible | 29° /28° | 2.7 mm | 6 | |
| 20 Sept. | Patchy rain possible | 29° /26° | 3.6 mm | 6 | |
| 21 Sept. | Patchy rain possible | 28° /27° | 2.3 mm | 6 | |
| 22 Sept. | Patchy rain possible | 28° /27° | 1.5 mm | 6 | |
| 23 Sept. | Patchy rain possible | 29° /28° | 2.6 mm | 6 | |
| 24 Sept. | Partly cloudy | 29° /28° | 0 mm | 7 | |
| 25 Sept. | Patchy rain possible | 29° /28° | 0.6 mm | 6 | |
| 26 Sept. | Patchy rain possible | 28° /27° | 0.7 mm | 6 | |
| 27 Sept. | Patchy rain possible | 29° /28° | 3.7 mm | 6 | |
| 28 Sept. |  Cloudy | 29° /28° | 0 mm | 6 | |
| 29 Sept. |  Moderate or heavy rain shower | 29° /28° | 15.8 mm | 6 | |
| 30 Sept. |  Thundery outbreaks possible | 29° /28° | 3 mm | 6 | |
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Cayo Santa Maria weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/28° | 29°/28° | 28°/27° |
| Rainfall | 148 mm | 181 mm | 238 mm |
| Wind | 26.6 km/h | 25.4 km/h | 29.5 km/h |
| Humidity | 75% | 78% | 80% |
| Rainy days | 24 days | 20 days | 17 days |
| Dry days | 7 days | 10 days | 14 days |
Planning a trip to Cayo Santa Maria? Discover the best time to visit
Cayo Santa Maria in September - FAQ
What to pack to Cayo Santa Maria in September?
As you prepare for your trip to Cayo Santa Maria in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Cayo Santa Maria, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Cayo Santa Maria
UV exposure in Cayo Santa Maria during September
Quick links
Where is Cayo Santa Maria?Get accurate weather forecasts for Cayo Santa Maria, located at latitude 22.645 and longitude -79.058. Stay updated with localized weather information tailored for Cayo Santa Maria.