September Weather in San Juan la Isla

Last updated: March 2, 2024

The weather in San Juan la Isla, Mexico, during September is characterized by an average temperature of 14°C (57°F). Highs can soar to 22°C (72°F), while lows may dip to 6°C (44°F). Typically, the humidity level in San Juan la Isla throughout September hovers around 82%.

6°C (44°F)

Minimum temperature

14°C (57°F)

Average temperature

22°C (72°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In September, San Juan la Isla averages 260 mm (10.2 inches) of rainfall, typically over the course of 26 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 11 minutes each day. Additionally, there is a 10% probability of sunny days during this period.

260 mm (10.2 inches)

Precipitation

26 rainy days

Rainy days

9 hours 11 minutes

Sunshine hours

10%

Chance of sun

UV Index

In September, the UV Index in San Juan la Isla reaches a maximum of 15, 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 15 15 12 9 5 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

Compare San Juan la Isla's Climate with Cities Worldwide