September Weather in Kealakekua

Last updated: March 2, 2024

The weather in Kealakekua, United States, during September is characterized by an average temperature of 23°C (73°F). Highs can soar to 25°C (78°F), while lows may dip to 20°C (69°F). Typically, the humidity level in Kealakekua throughout September hovers around 82%.

20°C (69°F)

Minimum temperature

23°C (73°F)

Average temperature

25°C (78°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In September, Kealakekua averages 318 mm (12.5 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 10 hours 22 minutes each day. Additionally, there is a 32% probability of sunny days during this period.

318 mm (12.5 inches)

Precipitation

28 rainy days

Rainy days

10 hours 22 minutes

Sunshine hours

32%

Chance of sun

UV Index

In September, the UV Index in Kealakekua reaches a maximum of 13, 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 2 5 9 12 13 13 10 7 4 1 1 0
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Kealakekua's Climate with Cities Worldwide