September Weather in San Antonio

Last updated: March 2, 2024

The weather in San Antonio, Peru, during September is characterized by an average temperature of 26°C (80°F). Highs can soar to 34°C (94°F), while lows may dip to 22°C (72°F). Typically, the humidity level in San Antonio throughout September hovers around 55%.

22°C (72°F)

Minimum temperature

26°C (80°F)

Average temperature

34°C (94°F)

Maximum temperature

55%

Humidity

Precipitation and Sunshine hours

In September, San Antonio averages 170 mm (6.7 inches) of rainfall, typically over the course of 24 rainy days. The month enjoys an average of 12 hours 4 minutes of daylight, with the sun shining for approximately 9 hours 31 minutes each day. Additionally, there is a 32% probability of sunny days during this period.

170 mm (6.7 inches)

Precipitation

24 rainy days

Rainy days

9 hours 31 minutes

Sunshine hours

32%

Chance of sun

UV Index

In September, the UV Index in San Antonio reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 2 4 7 11 13 14 12 8 4 2 1 0 0
Exposure Low Moderate High Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 10 min 15 min 30 min 45 min

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