September Weather in Viterbo

Last updated: March 2, 2024

The weather in Viterbo, Colombia, during September is characterized by an average temperature of 19°C (66°F). Highs can soar to 26°C (79°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Viterbo throughout September hovers around 80%.

13°C (56°F)

Minimum temperature

19°C (66°F)

Average temperature

26°C (79°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In September, Viterbo averages 1726 mm (67.9 inches) of rainfall, typically over the course of 30 rainy days. The month enjoys an average of 12 hours 7 minutes of daylight, with the sun shining for approximately 9 hours 0 minutes each day. Additionally, there is a 5% probability of sunny days during this period.

1726 mm (67.9 inches)

Precipitation

30 rainy days

Rainy days

9 hours 0 minutes

Sunshine hours

5%

Chance of sun

UV Index

In September, the UV Index in Viterbo reaches a maximum of 14, 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 3 7 10 13 14 13 9 6 3 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

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