Last updated: August 28, 2025
In September, the average temperature in San Juan de los Cayos, Venezuela hovers around 28°C (82°F). Expect a comfortable range, with minimums dipping to 25°C (78°F) and maximums reaching up to 31°C (88°F). However, be prepared for some rain, as the month sees approximately 80 mm (3.2 in) of precipitation across 18 days. With an average humidity of 69%, it's a month of both warmth and moisture.
In September in San Juan de los Cayos, the average temperature is 28°C (82°F), with maximums reaching 31°C (88°F) and minimums dropping to as low as 25°C (78°F). This comfortable weather makes it an ideal time for travelers to explore and enjoy outdoor activities in San Juan de los Cayos.
In San Juan de los Cayos in September, the precipitation amount is 80 mm (3.2 in) during 18 days, indicating a relatively wet period for the region.
In San Juan de los Cayos in September, humidity is 69%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration slightly more challenging but still enjoyable as you soak in the vibrant surroundings.
In San Juan de los Cayos in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Juan de los Cayos.
UV Risk Categories
Weather in San Juan de los Cayos varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Juan de los Cayos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (78°F) | 78 mm (3.1 inches) | 69% | extreme |
| February Weather | 25°C (78°F) | 71 mm (2.8 inches) | 69% | extreme |
| March Weather | 25°C (78°F) | 79 mm (3.1 inches) | 69% | extreme |
| April Weather | 26°C (79°F) | 57 mm (2.2 inches) | 68% | extreme |
| May Weather | 27°C (80°F) | 71 mm (2.8 inches) | 69% | extreme |
| June Weather | 27°C (80°F) | 97 mm (3.8 inches) | 74% | extreme |
| July Weather | 27°C (80°F) | 85 mm (3.4 inches) | 79% | extreme |
| August Weather | 27°C (82°F) | 98 mm (3.9 inches) | 73% | extreme |
| September Weather | 28°C (82°F) | 80 mm (3.2 inches) | 69% | extreme |
| October Weather | 28°C (82°F) | 156 mm (6.1 inches) | 69% | extreme |
| November Weather | 27°C (81°F) | 157 mm (6.2 inches) | 71% | extreme |
| December Weather | 26°C (79°F) | 103 mm (4.0 inches) | 70% | very high |