Green River Weather in September

What's the weather like in Green River (Wyoming) in September 2024?

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

September is in the fall / autumn in Green River and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 21°C (71°F), whilst at night 2°C (35°F) is normal.

Green River weather averages (imperial / metric)
Daytime temperature 21.4°C 70.5°F
Nightly temperature 1.8°C 35.2°F
Average temperature 11.6°C 52.9°F
Daily sunshine 9.9 hrs
Avg rainfall 21 mm 0.8 ins
Rainy days 7 days
Sea temperature 16.5°C 61.6°F
Humidity 45%
Windspeed 14kph 9 mph

On average September is the 3rd wettest month of the year in Green River with around 21mm 0.8 inches of rain making it a 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 9.9 hours of sunshine per day.

September temperatures in Green River

Green River average temperature in September

September rainfall

Green River average rain in September

September hourly sunshine

Green River 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 Green River in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Green River weather stats

Green River weather statistics
Hottest month: July 28°C 82.4°F
Driest month: February 12mm 0.5ins
Sunniest month: August 11.2hrs
Coldest month: January -2.2°C 28°F
Wettest month: May 31mm 1.2ins
Map showing location of Green River (41.52858, -109.46625) Green River map pin © Google

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