September Weather in San Juan Llano Grande

Last updated: March 2, 2024

The weather in San Juan Llano Grande, Mexico, during September is characterized by an average temperature of 22°C (72°F). Highs can soar to 31°C (88°F), while lows may dip to 14°C (58°F). Typically, the humidity level in San Juan Llano Grande throughout September hovers around 82%.

14°C (58°F)

Minimum temperature

22°C (72°F)

Average temperature

31°C (88°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In September, San Juan Llano Grande averages 227 mm (8.9 inches) of rainfall, typically over the course of 22 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 21 minutes each day. Additionally, there is a 18% probability of sunny days during this period.

227 mm (8.9 inches)

Precipitation

22 rainy days

Rainy days

9 hours 21 minutes

Sunshine hours

18%

Chance of sun

UV Index

In September, the UV Index in San Juan Llano Grande reaches a maximum of 14, 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 2 5 9 12 14 14 11 8 4 2 1
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

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