Last updated: March 2, 2024
The weather in Angra dos Reis, Brazil, during September is characterized by an average temperature of 21°C (70°F). Highs can soar to 31°C (88°F), while lows may dip to 16°C (60°F). Typically, the humidity level in Angra dos Reis throughout September hovers around 68%.
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Average temperature
Maximum temperature
Humidity
In September, Angra dos Reis averages 84 mm (3.3 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 57 minutes of daylight, with the sun shining for approximately 9 hours 30 minutes each day. Additionally, there is a 41% probability of sunny days during this period.
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Rainy days
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Chance of sun
In September, the UV Index in Angra dos Reis reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 1 | 3 | 6 | 9 | 11 | 12 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||