Green River weather in September 2024

Expect 21°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Green River in September. Check more long-term weather averages for Green River in September before you book your next holiday to Wyoming in 2024/2025.

  • 21°C maximum daytime temperature in September in Green River21
    21°C max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in September in Green River7
    7 days with some rainfall
  • 2°C minimum night-time temperature in September in Green River2
    2°C min night temperature
  • 12 hours of daylight per day in September in Green River12
    12 hours of daylight per day
  • No heat & humidity in September in Green River0
    No heat & humidity
  • 21 mm monthly rainfall in September in Green River21
    21 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Green River7
    7 (High) UV index

More about Green River

Green River by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec