September Weather in Sao Sebastiao

Last updated: March 2, 2024

The weather in Sao Sebastiao, Brazil, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 31°C (87°F), while lows may dip to 20°C (68°F). Typically, the humidity level in Sao Sebastiao throughout September hovers around 79%.

20°C (68°F)

Minimum temperature

24°C (76°F)

Average temperature

31°C (87°F)

Maximum temperature

79%

Humidity

Precipitation and Sunshine hours

In September, Sao Sebastiao averages 52 mm (2.1 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 2 minutes of daylight, with the sun shining for approximately 11 hours 6 minutes each day. Additionally, there is a 47% probability of sunny days during this period.

52 mm (2.1 inches)

Precipitation

18 rainy days

Rainy days

11 hours 6 minutes

Sunshine hours

47%

Chance of sun

UV Index

In September, the UV Index in Sao Sebastiao 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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 2 5 8 12 13 12 10 6 3 1 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

Compare Sao Sebastiao's Climate with Cities Worldwide