Last updated: March 2, 2024
The weather in Porto Walter, Brazil, during September is characterized by an average temperature of 27°C (80°F). Highs can soar to 36°C (96°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Porto Walter throughout September hovers around 40%.
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Average temperature
Maximum temperature
Humidity
In September, Porto Walter averages 103 mm (4.1 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 2 minutes of daylight, with the sun shining for approximately 9 hours 7 minutes each day. Additionally, there is a 44% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Porto Walter reaches a maximum of 13, 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 | 1 | 4 | 7 | 11 | 13 | 13 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||