September Weather in Viana

Last updated: March 2, 2024

The weather in Viana, Brazil, during September is characterized by an average temperature of 23°C (73°F). Highs can soar to 31°C (88°F), while lows may dip to 17°C (62°F). Typically, the humidity level in Viana throughout September hovers around 72%.

17°C (62°F)

Minimum temperature

23°C (73°F)

Average temperature

31°C (88°F)

Maximum temperature

72%

Humidity

Precipitation and Sunshine hours

In September, Viana averages 65 mm (2.6 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 11 hours 58 minutes of daylight, with the sun shining for approximately 10 hours 19 minutes each day. Additionally, there is a 50% probability of sunny days during this period.

65 mm (2.6 inches)

Precipitation

8 rainy days

Rainy days

10 hours 19 minutes

Sunshine hours

50%

Chance of sun

UV Index

In September, the UV Index in Viana reaches a maximum of 12, 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 4 7 10 12 11 10 7 4 1 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

Compare Viana's Climate with Cities Worldwide