September Weather in Fort Knox

Last updated: March 2, 2024

The weather in Fort Knox, United States, during September is characterized by an average temperature of 22°C (72°F). Highs can soar to 33°C (91°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Fort Knox throughout September hovers around 71%.

10°C (50°F)

Minimum temperature

22°C (72°F)

Average temperature

33°C (91°F)

Maximum temperature

71%

Humidity

Precipitation and Sunshine hours

In September, Fort Knox averages 117 mm (4.6 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 9 hours 25 minutes each day. Additionally, there is a 57% probability of sunny days during this period.

117 mm (4.6 inches)

Precipitation

9 rainy days

Rainy days

9 hours 25 minutes

Sunshine hours

57%

Chance of sun

UV Index

In September, the UV Index in Fort Knox 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 0 1 1 3 5 7 8 8 7 5 3 2 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 Fort Knox's Climate with Cities Worldwide