Last updated: March 2, 2024
The weather in Santiago, Peru, during September is characterized by an average temperature of 10°C (49°F). Highs can soar to 19°C (67°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Santiago throughout September hovers around 51%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Santiago averages 34 mm (1.3 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 1 minutes of daylight, with the sun shining for approximately 10 hours 49 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Santiago reaches a maximum of 16, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 5 | 9 | 13 | 16 | 16 | 14 | 10 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||