Last updated: March 2, 2024
The weather in Arroio Grande, Brazil, during September is characterized by an average temperature of 16°C (61°F). Highs can soar to 28°C (82°F), while lows may dip to 7°C (45°F). Typically, the humidity level in Arroio Grande throughout September hovers around 82%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Arroio Grande averages 153 mm (6.0 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 11 hours 54 minutes of daylight, with the sun shining for approximately 7 hours 49 minutes each day. Additionally, there is a 25% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Arroio Grande reaches a maximum of 9, 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 | 5 | 7 | 9 | 8 | 7 | 4 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||