Last updated: March 2, 2024
The weather in Itanhaem, Brazil, during September is characterized by an average temperature of 20°C (69°F). Highs can soar to 28°C (82°F), while lows may dip to 17°C (63°F). Typically, the humidity level in Itanhaem throughout September hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Itanhaem averages 88 mm (3.5 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 11 hours 57 minutes of daylight, with the sun shining for approximately 8 hours 45 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Itanhaem reaches a maximum of 11, 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 | 5 | 8 | 10 | 11 | 10 | 7 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||