Last updated: August 23, 2025
In September, the average temperature in Santa Cruz del Sur, Cuba hovers around a warm 28°C (83°F), with daily lows of 25°C (77°F) and highs reaching up to 34°C (93°F). Expect 110 mm (4.3 in) of precipitation spread over about 18 days, contributing to an average humidity level of 78%. Stay prepared for a cozy, albeit moist, climate!
In September in Santa Cruz del Sur, the average temperature is 28°C (83°F). Maximums can reach 34°C (93°F), and minimums can be as low as 25°C (77°F). This warm climate makes Santa Cruz del Sur an ideal destination for travelers seeking sunny weather and outdoor adventures.
In Santa Cruz del Sur in September, the precipitation amount is 110 mm (4.3 in) over the course of 18 days.
In Santa Cruz del Sur in September, humidity is 78%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities perspire more quickly and requiring frequent breaks in the shade for comfort.
In Santa Cruz del Sur 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 Santa Cruz del Sur.
UV Risk Categories
Weather in Santa Cruz del Sur varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Cruz del Sur, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 15 mm (0.6 inches) | 75% | very high |
| February Weather | 25°C (78°F) | 13 mm (0.5 inches) | 71% | extreme |
| March Weather | 25°C (78°F) | 12 mm (0.5 inches) | 67% | extreme |
| April Weather | 27°C (80°F) | 36 mm (1.4 inches) | 67% | extreme |
| May Weather | 27°C (81°F) | 190 mm (7.5 inches) | 66% | extreme |
| June Weather | 28°C (83°F) | 61 mm (2.4 inches) | 69% | extreme |
| July Weather | 29°C (84°F) | 77 mm (3.0 inches) | 73% | extreme |
| August Weather | 29°C (84°F) | 98 mm (3.9 inches) | 77% | extreme |
| September Weather | 28°C (83°F) | 110 mm (4.3 inches) | 78% | extreme |
| October Weather | 28°C (82°F) | 152 mm (6.0 inches) | 79% | extreme |
| November Weather | 27°C (80°F) | 73 mm (2.9 inches) | 81% | very high |
| December Weather | 25°C (78°F) | 16 mm (0.6 inches) | 78% | very high |