September Weather in Whitefish Bay

Last updated: March 2, 2024

The weather in Whitefish Bay, United States, during September is characterized by an average temperature of 19°C (66°F). Highs can soar to 28°C (83°F), while lows may dip to 9°C (48°F). Typically, the humidity level in Whitefish Bay throughout September hovers around 79%.

9°C (48°F)

Minimum temperature

19°C (66°F)

Average temperature

28°C (83°F)

Maximum temperature

79%

Humidity

Precipitation and Sunshine hours

In September, Whitefish Bay averages 96 mm (3.8 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 12 hours 26 minutes of daylight, with the sun shining for approximately 9 hours 25 minutes each day. Additionally, there is a 55% probability of sunny days during this period.

96 mm (3.8 inches)

Precipitation

9 rainy days

Rainy days

9 hours 25 minutes

Sunshine hours

55%

Chance of sun

UV Index

In September, the UV Index in Whitefish Bay reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 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 6 7 7 7 5 3 2 1 1
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Whitefish Bay's Climate with Cities Worldwide