Last updated: August 22, 2025
In Santa Cruz, Chile, the average temperature in September hovers around 12°C (53°F). During this time, temperatures can dip as low as 0°C (33°F) and soar up to 28°C (82°F). Expect an average precipitation of 52 mm (2.0 in) spread over 6 days, and enjoy a moderate average humidity of 62%.
In September in Santa Cruz, the average temperature is 12°C (53°F). Maximum can reach 28°C (82°F) and minimum can be as low as 0°C (33°F). This climate makes Santa Cruz an ideal destination for travelers seeking a mix of mild weather and occasional warmth.
In Santa Cruz, in September, the precipitation amount is 52 mm (2.0 in) over the course of 6 days.
In Santa Cruz in September, humidity is 62%. With an average temperature of 12°C (53°F), this humidity feels like a cool, damp embrace that can make outdoor adventures feel brisk and invigorating, though it may require a light jacket and an extra layer for comfort while exploring.
In Santa Cruz in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Santa Cruz.
UV Risk Categories
Weather in Santa Cruz varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Cruz, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 21°C (70°F) | 11 mm (0.4 inches) | 40% | extreme |
| February Weather | 21°C (69°F) | 6 mm (0.2 inches) | 41% | extreme |
| March Weather | 18°C (65°F) | 7 mm (0.3 inches) | 46% | extreme |
| April Weather | 15°C (59°F) | 18 mm (0.7 inches) | 54% | high |
| May Weather | 11°C (52°F) | 53 mm (2.1 inches) | 70% | moderate |
| June Weather | 9°C (48°F) | 170 mm (6.7 inches) | 78% | moderate |
| July Weather | 8°C (47°F) | 76 mm (3.0 inches) | 82% | moderate |
| August Weather | 9°C (49°F) | 94 mm (3.7 inches) | 79% | moderate |
| September Weather | 12°C (53°F) | 52 mm (2.0 inches) | 62% | very high |
| October Weather | 14°C (57°F) | 37 mm (1.5 inches) | 64% | extreme |
| November Weather | 18°C (64°F) | 12 mm (0.5 inches) | 53% | extreme |
| December Weather | 20°C (69°F) | 2 mm (0.1 inches) | 39% | extreme |