Junction Weather in September

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

The climate in Junction during September can be summarized as mild and dry.

September is in the fall / autumn in Junction and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 23°C (73°F), whilst at night 3°C (37°F) is normal.

Junction weather averages (imperial / metric)
Daytime temperature 22.9°C 73.1°F
Nightly temperature 2.6°C 36.6°F
Average temperature 12.7°C 54.9°F
Daily sunshine 10.5 hrs
Avg rainfall 28 mm 1.1 ins
Rainy days 6 days
Sea temperature 17.4°C 63.3°F
Humidity 43%
Windspeed 15.8kph 10 mph

On average September is the 3rd wettest month of the year in Junction 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 10.5 hours of sunshine per day.

September temperatures in Junction

Junction average temperature in September

September rainfall

Junction average rain in September

September hourly sunshine

Junction 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 Junction 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

Junction weather stats

Junction weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: June 15mm 0.6ins
Sunniest month: June 12.7hrs
Coldest month: January 3.3°C 37.9°F
Wettest month: August 39mm 1.5ins
Map showing location of Junction (38.23748, -112.21993) Junction map pin © Google

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