Park City Weather in September

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

The climate in Park City during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Park City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 23°C (73°F), whilst at night 2°C (36°F) is normal.

Park City weather averages (imperial / metric)
Daytime temperature 22.6°C 72.6°F
Nightly temperature 2.1°C 35.7°F
Average temperature 12.3°C 54.1°F
Daily sunshine 10.2 hrs
Avg rainfall 41 mm 1.6 ins
Rainy days 7 days
Sea temperature 16.6°C 61.9°F
Humidity 46%
Windspeed 15.8kph 10 mph

On average September is the 4th driest month of the year in Park City with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.2 hours of sunshine per day.

September temperatures in Park City

Park City average temperature in September

September rainfall

Park City average rain in September

September hourly sunshine

Park 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 Park 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

Park City weather stats

Park City weather statistics
Hottest month: July 28.2°C 82.8°F
Driest month: July 27mm 1.1ins
Sunniest month: July 12.2hrs
Coldest month: January 0.5°C 32.9°F
Wettest month: January 79mm 3.1ins
Map showing location of Park City (40.64606, -111.49797) Park City map pin © Google

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