West Valley City Weather in September

What's the weather like in West Valley City (Utah) in September 2025?

The climate in West Valley City during September can be summarized as mild and dry.

September is in the fall / autumn in West Valley City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 10°C (50°F) is normal.

West Valley City weather averages (imperial / metric)
Daytime temperature 25.7°C 78.3°F
Nightly temperature 9.9°C 49.8°F
Average temperature 17.8°C 64°F
Daily sunshine 10.8 hrs
Avg rainfall 28 mm 1.1 ins
Rainy days 6 days
Sea temperature 16.5°C 61.6°F
Humidity 45%
Windspeed 15.8kph 10 mph

On average September is the 4th driest month of the year in West Valley City with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.8 hours of sunshine per day.

September temperatures in West Valley City

West Valley City average temperature in September

September rainfall

West Valley City average rain in September

September hourly sunshine

West Valley City average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in West Valley City in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

West Valley City weather stats

West Valley City weather statistics
Hottest month: July 32.5°C 90.5°F
Driest month: July 17mm 0.7ins
Sunniest month: July 13.1hrs
Coldest month: January 2.3°C 36.1°F
Wettest month: April 53mm 2.1ins
Map showing location of West Valley City (40.69161, -112.00105) West Valley City map pin © Google

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