September Weather in Las Piedras

Last updated: March 2, 2024

The weather in Las Piedras, Mexico, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 31°C (89°F), while lows may dip to 21°C (69°F). Typically, the humidity level in Las Piedras throughout September hovers around 78%.

21°C (69°F)

Minimum temperature

24°C (76°F)

Average temperature

31°C (89°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In September, Las Piedras averages 391 mm (15.4 inches) of rainfall, typically over the course of 29 rainy days. The month enjoys an average of 12 hours 13 minutes of daylight, with the sun shining for approximately 8 hours 38 minutes each day. Additionally, there is a 18% probability of sunny days during this period.

391 mm (15.4 inches)

Precipitation

29 rainy days

Rainy days

8 hours 38 minutes

Sunshine hours

18%

Chance of sun

UV Index

In September, the UV Index in Las Piedras reaches a maximum of 12, 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 1 1 3 6 9 11 12 11 8 5 2 1 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 30 min 45 min

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