September Weather in Calwa

Last updated: March 2, 2024

The weather in Calwa, United States, during September is characterized by an average temperature of 26°C (79°F). Highs can soar to 41°C (106°F), while lows may dip to 14°C (57°F). Typically, the humidity level in Calwa throughout September hovers around 42%.

14°C (57°F)

Minimum temperature

26°C (79°F)

Average temperature

41°C (106°F)

Maximum temperature

42%

Humidity

Precipitation and Sunshine hours

In September, Calwa averages 1 mm (0.0 inches) of rainfall, typically over the course of 0 rainy days. The month enjoys an average of 12 hours 21 minutes of daylight, with the sun shining for approximately 10 hours 37 minutes each day. Additionally, there is a 93% probability of sunny days during this period.

1 mm (0.0 inches)

Precipitation

0 rainy days

Rainy days

10 hours 37 minutes

Sunshine hours

93%

Chance of sun

UV Index

In September, the UV Index in Calwa reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 5 7 8 9 8 6 4 2 1 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Calwa's Climate with Cities Worldwide