September Weather in Bonne Terre

Last updated: March 2, 2024

The weather in Bonne Terre, United States, during September is characterized by an average temperature of 22°C (72°F). Highs can soar to 33°C (92°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Bonne Terre throughout September hovers around 68%.

9°C (49°F)

Minimum temperature

22°C (72°F)

Average temperature

33°C (92°F)

Maximum temperature

68%

Humidity

Precipitation and Sunshine hours

In September, Bonne Terre averages 68 mm (2.7 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 9 hours 40 minutes each day. Additionally, there is a 65% probability of sunny days during this period.

68 mm (2.7 inches)

Precipitation

7 rainy days

Rainy days

9 hours 40 minutes

Sunshine hours

65%

Chance of sun

UV Index

In September, the UV Index in Bonne Terre 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 4 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 Bonne Terre's Climate with Cities Worldwide