Last updated: March 2, 2024
The weather in Santiago, Brazil, during September is characterized by an average temperature of 18°C (64°F). Highs can soar to 31°C (88°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Santiago throughout September hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Santiago averages 150 mm (5.9 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 11 hours 55 minutes of daylight, with the sun shining for approximately 8 hours 21 minutes each day. Additionally, there is a 43% 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 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 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 | 1 | 2 | 3 | 6 | 8 | 10 | 9 | 8 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 30 min | 45 min | |||||||