September Weather in San Sebastian de las Grutas

Last updated: March 2, 2024

The weather in San Sebastian de las Grutas, Mexico, during September is characterized by an average temperature of 17°C (63°F). Highs can soar to 27°C (81°F), while lows may dip to 11°C (53°F). Typically, the humidity level in San Sebastian de las Grutas throughout September hovers around 84%.

11°C (53°F)

Minimum temperature

17°C (63°F)

Average temperature

27°C (81°F)

Maximum temperature

84%

Humidity

Precipitation and Sunshine hours

In September, San Sebastian de las Grutas averages 383 mm (15.1 inches) of rainfall, typically over the course of 27 rainy days. The month enjoys an average of 12 hours 11 minutes of daylight, with the sun shining for approximately 8 hours 28 minutes each day. Additionally, there is a 8% probability of sunny days during this period.

383 mm (15.1 inches)

Precipitation

27 rainy days

Rainy days

8 hours 28 minutes

Sunshine hours

8%

Chance of sun

UV Index

In September, the UV Index in San Sebastian de las Grutas 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 12 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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