Last updated: August 23, 2025
In September, the average temperature in Santo Domingo, Cuba is a pleasant 27°C (81°F), with lows reaching 21°C (71°F) and highs peaking at 35°C (95°F). Expect 171 mm (6.7 in) of precipitation spread over 19 days, contributing to an average humidity of 78%. Whether you're enjoying the warm days or navigating the occasional shower, this month offers a uniquely vibrant climate experience!
In September in Santo Domingo, the average temperature is 27°C (81°F). Maximums can reach 35°C (95°F), and minimums can be as low as 21°C (71°F). Overall, it's a great time for travelers to enjoy warm weather and explore outdoor activities.
In Santo Domingo in September, the total precipitation amount is 171 mm (6.7 in), distributed over a span of 19 days.
In Santo Domingo in September humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.
In Santo Domingo in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Santo Domingo.
UV Risk Categories
Weather in Santo Domingo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santo Domingo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 22°C (72°F) | 28 mm (1.1 inches) | 79% | high |
| February Weather | 23°C (75°F) | 14 mm (0.6 inches) | 77% | very high |
| March Weather | 24°C (75°F) | 13 mm (0.5 inches) | 71% | extreme |
| April Weather | 26°C (79°F) | 49 mm (1.9 inches) | 70% | extreme |
| May Weather | 26°C (79°F) | 151 mm (6.0 inches) | 72% | extreme |
| June Weather | 27°C (81°F) | 125 mm (4.9 inches) | 73% | extreme |
| July Weather | 28°C (82°F) | 111 mm (4.4 inches) | 75% | extreme |
| August Weather | 28°C (82°F) | 103 mm (4.1 inches) | 77% | extreme |
| September Weather | 27°C (81°F) | 171 mm (6.7 inches) | 78% | extreme |
| October Weather | 26°C (79°F) | 122 mm (4.8 inches) | 80% | very high |
| November Weather | 24°C (76°F) | 54 mm (2.1 inches) | 81% | very high |
| December Weather | 23°C (73°F) | 20 mm (0.8 inches) | 81% | high |