September Weather in Fairbanks

Last updated: March 2, 2024

The weather in Fairbanks, United States, during September is characterized by an average temperature of 9°C (48°F). Highs can soar to 20°C (69°F), while lows may dip to -1°C (30°F). Typically, the humidity level in Fairbanks throughout September hovers around 90%.

-1°C (30°F)

Minimum temperature

9°C (48°F)

Average temperature

20°C (69°F)

Maximum temperature

90%

Humidity

Precipitation and Sunshine hours

In September, Fairbanks averages 43 mm (1.7 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 12 hours 55 minutes of daylight, with the sun shining for approximately 6 hours 38 minutes each day. Additionally, there is a 34% probability of sunny days during this period.

43 mm (1.7 inches)

Precipitation

9 rainy days

Rainy days

6 hours 38 minutes

Sunshine hours

34%

Chance of sun

UV Index

In September, the UV Index in Fairbanks reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 1 1 2 3 3 3 3 2 2 1 1
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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