September Weather in Huntsville

Last updated: March 2, 2024

The weather in Huntsville, United States, during September is characterized by an average temperature of 22°C (72°F). Highs can soar to 32°C (90°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Huntsville throughout September hovers around 59%.

10°C (50°F)

Minimum temperature

22°C (72°F)

Average temperature

32°C (90°F)

Maximum temperature

59%

Humidity

Precipitation and Sunshine hours

In September, Huntsville averages 64 mm (2.5 inches) of rainfall, typically over the course of 6 rainy days. The month enjoys an average of 12 hours 21 minutes of daylight, with the sun shining for approximately 9 hours 45 minutes each day. Additionally, there is a 68% probability of sunny days during this period.

64 mm (2.5 inches)

Precipitation

6 rainy days

Rainy days

9 hours 45 minutes

Sunshine hours

68%

Chance of sun

UV Index

In September, the UV Index in Huntsville 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 2 4 7 8 9 9 7 5 3 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

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