September Weather in Santa Catalina de Siena

Last updated: March 2, 2024

The weather in Santa Catalina de Siena, Mexico, during September is characterized by an average temperature of 19°C (66°F). Highs can soar to 27°C (82°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Santa Catalina de Siena throughout September hovers around 82%.

11°C (52°F)

Minimum temperature

19°C (66°F)

Average temperature

27°C (82°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In September, Santa Catalina de Siena averages 189 mm (7.4 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 12 hours 15 minutes of daylight, with the sun shining for approximately 9 hours 24 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

189 mm (7.4 inches)

Precipitation

20 rainy days

Rainy days

9 hours 24 minutes

Sunshine hours

37%

Chance of sun

UV Index

In September, the UV Index in Santa Catalina de Siena reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 0 1 1 4 7 10 13 13 12 9 6 3 1
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 Santa Catalina de Siena's Climate with Cities Worldwide