September Weather in San Bernardino

Last updated: March 2, 2024

The weather in San Bernardino, Peru, during September is characterized by an average temperature of 16°C (62°F). Highs can soar to 25°C (77°F), while lows may dip to 9°C (49°F). Typically, the humidity level in San Bernardino throughout September hovers around 42%.

9°C (49°F)

Minimum temperature

16°C (62°F)

Average temperature

25°C (77°F)

Maximum temperature

42%

Humidity

Precipitation and Sunshine hours

In September, San Bernardino averages 184 mm (7.3 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 12 hours 3 minutes of daylight, with the sun shining for approximately 10 hours 18 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

184 mm (7.3 inches)

Precipitation

17 rainy days

Rainy days

10 hours 18 minutes

Sunshine hours

37%

Chance of sun

UV Index

In September, the UV Index in San Bernardino reaches a maximum of 16, 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 1 3 7 11 15 16 15 12 7 3 1 1 0
Exposure Low Moderate High Extreme High Moderate Low
Time to burn 45 min 30 min 25 min 10 min 25 min 30 min 45 min

Compare San Bernardino's Climate with Cities Worldwide