Last updated: August 27, 2025
In September, the average temperature in Santa Ana, Peru hovers around 2°C (36°F), with potential fluctuations ranging from a chilly -9°C (16°F) to a mild 11°C (53°F). Expect a generous 107 mm (4.2 in) of precipitation spread across 23 days, contributing to an average humidity of 53%. Plan accordingly to enjoy the unique climate of this fascinating destination!
In September in Santa Ana, the average temperature is 2°C (36°F). Maximums can reach 11°C (53°F) and minimums can be as low as -9°C (16°F). Be prepared for chilly weather when traveling to Santa Ana during this time, ensuring you pack warm clothing.
In Santa Ana in September, the precipitation amount is 107 mm (4.2 in) spread over 23 days.
In Santa Ana in September humidity is 53%. With an average temperature of 2°C (36°F), this humidity feels like a crisp chill in the air, making travel refreshing yet bracing; visitors should be prepared for cool conditions that require layered clothing but also offer a vibrant atmosphere perfect for exploring the sights.
In Santa Ana in September, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in Santa Ana.
UV Risk Categories
Weather in Santa Ana varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Ana, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 198 mm (7.8 inches) | 89% | extreme |
| February Weather | 3°C (38°F) | 240 mm (9.4 inches) | 89% | extreme |
| March Weather | 3°C (38°F) | 253 mm (10.0 inches) | 90% | extreme |
| April Weather | 3°C (37°F) | 128 mm (5.0 inches) | 89% | extreme |
| May Weather | 2°C (36°F) | 81 mm (3.2 inches) | 83% | extreme |
| June Weather | 1°C (35°F) | 35 mm (1.4 inches) | 69% | extreme |
| July Weather | 1°C (34°F) | 33 mm (1.3 inches) | 56% | extreme |
| August Weather | 1°C (35°F) | 47 mm (1.8 inches) | 50% | extreme |
| September Weather | 2°C (36°F) | 107 mm (4.2 inches) | 53% | extreme |
| October Weather | 3°C (37°F) | 148 mm (5.8 inches) | 68% | extreme |
| November Weather | 3°C (38°F) | 173 mm (6.8 inches) | 81% | extreme |
| December Weather | 3°C (38°F) | 210 mm (8.3 inches) | 87% | extreme |