Cottonwood Heights Weather in September

What's the weather like in Cottonwood Heights (Utah) in September 2025?

The climate in Cottonwood Heights during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Cottonwood Heights and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 21°C (70°F), whilst at night 2°C (36°F) is normal.

Cottonwood Heights weather averages (imperial / metric)
Daytime temperature 21.3°C 70.3°F
Nightly temperature 2.2°C 35.9°F
Average temperature 11.7°C 53.1°F
Daily sunshine 10.4 hrs
Avg rainfall 52 mm 2 ins
Rainy days 7 days
Sea temperature 16.6°C 61.9°F
Humidity 47%
Windspeed 16.2kph 10 mph

On average September is the 4th driest month of the year in Cottonwood Heights with around 52mm 2 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 10.4 hours of sunshine per day.

September temperatures in Cottonwood Heights

Cottonwood Heights average temperature in September

September rainfall

Cottonwood Heights average rain in September

September hourly sunshine

Cottonwood Heights 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 Cottonwood Heights 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

Cottonwood Heights weather stats

Cottonwood Heights weather statistics
Hottest month: July 26.9°C 80.4°F
Driest month: July 33mm 1.3ins
Sunniest month: July 12.5hrs
Coldest month: January 0.4°C 32.7°F
Wettest month: December 95mm 3.7ins
Map showing location of Cottonwood Heights (40.61967, -111.81021) Cottonwood Heights map pin © Google

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