September Weather in Fairmont

Last updated: March 2, 2024

The weather in Fairmont, United States, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 34°C (93°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Fairmont throughout September hovers around 79%.

13°C (56°F)

Minimum temperature

24°C (76°F)

Average temperature

34°C (93°F)

Maximum temperature

79%

Humidity

Precipitation and Sunshine hours

In September, Fairmont averages 160 mm (6.3 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 20 minutes of daylight, with the sun shining for approximately 9 hours 49 minutes each day. Additionally, there is a 54% probability of sunny days during this period.

160 mm (6.3 inches)

Precipitation

10 rainy days

Rainy days

9 hours 49 minutes

Sunshine hours

54%

Chance of sun

UV Index

In September, the UV Index in Fairmont 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 6 8 9 8 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

Compare Fairmont's Climate with Cities Worldwide