September Weather in Colombo

Last updated: March 2, 2024

The weather in Colombo, Brazil, during September is characterized by an average temperature of 18°C (64°F). Highs can soar to 30°C (87°F), while lows may dip to 8°C (47°F). Typically, the humidity level in Colombo throughout September hovers around 73%.

8°C (47°F)

Minimum temperature

18°C (64°F)

Average temperature

30°C (87°F)

Maximum temperature

73%

Humidity

Precipitation and Sunshine hours

In September, Colombo averages 71 mm (2.8 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 11 hours 57 minutes of daylight, with the sun shining for approximately 8 hours 33 minutes each day. Additionally, there is a 30% probability of sunny days during this period.

71 mm (2.8 inches)

Precipitation

7 rainy days

Rainy days

8 hours 33 minutes

Sunshine hours

30%

Chance of sun

UV Index

In September, the UV Index in Colombo 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.

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 1 2 5 8 10 11 10 8 5 3 1 1 0
Exposure Low Moderate VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 30 min 45 min

Compare Colombo's Climate with Cities Worldwide