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Green River Weather in September

Green River in September averages 30°C (86°F) during the day and 11°C (52°F) at night. Some rainfall is typical for this time of year.

Rainfall in Green River in September

This month experiences about 6 days of rain according to historical data, averaging 23 mm (0.9 in). The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Green River in September

If you're visiting Green River in September, expect perfect temperatures with highs of 30°C (86°F) and overnight lows of 11°C (52°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If you prefer enjoying temperate temperatures and rain-free days, April, May and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Green River's climate page.

Green River Temperature in September

Min TemperatureMin Temperature 11°C (52°F)  
Max TemperatureMax Temperature 30°C (86°F)  
Chance of RainChance of Rain 19%  
PrecipitationPrecipitation 23 mm (0.9 in)  
Rainy daysRainy days 6 days  

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Green River in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers.

What To Do in Green River in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
8/10
Walking
8/10
Camping
10/10
Outdoor sports
8/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Green River's climate page.

More climate data for Green River