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Weather in September in Wyoming

Considering a trip to Wyoming this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Wyoming in September?

Wyoming is a region in the United States of America. September in Wyoming generally has temperatures that range from pleasant to warm, with precipitation levels ranging from low to moderate.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Jackson at 20°C to warm in Torrington at 26°C. Nighttime temperatures generally drop to 7°C in Torrington and 4°C in Jackson.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Douglas with an average of 18 mm to moderate rainfall in Alta with 48 mm.

For specific regional insights in Wyoming for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Wyoming climate page.

Where to go in Wyoming in September

Find more information for the most popular destinations in the Wyoming on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Wyoming?

Cody

In September Cody generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 8°C and low monthly rainfall. So on average the conditions are perfect that month.

Cody
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
12°C 
21 mm 
9 days 
23°C 
8°C 
24 mm 
7 days 
October   >> October
>>  
15°C 
2°C 
24 mm 
9 days 
Climate in Cody

Cheyenne

In September Cheyenne generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 7°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Cheyenne
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
12°C 
300 hours 
45 mm 
13 days 
23°C 
7°C 
270 hours 
42 mm 
8 days 
October   >> October
>>  
15°C 
1°C 
240 hours 
36 mm 
8 days 
Climate in Cheyenne

Powell

In September Powell generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 6°C and low monthly rainfall. So on average the conditions are perfect that month.

Powell
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
11°C 
11 mm 
6 days 
24°C 
6°C 
20 mm 
6 days 
October   >> October
>>  
15°C 
0°C 
17 mm 
6 days 
Climate in Powell

Jackson

In September Jackson generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Jackson
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
25°C 
7°C 
320 hours 
30 mm 
9 days 
20°C 
4°C 
250 hours 
40 mm 
9 days 
October   >> October
>>  
11°C 
-1°C 
210 hours 
54 mm 
12 days 
Climate in Jackson

Teton Village

In September Teton Village generally has pleasant temperatures with maximum daytime temperatures around 21°C, minimum nighttime temperatures around 2°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Teton Village
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
26°C 
5°C 
320 hours 
30 mm 
10 days 
21°C 
2°C 
250 hours 
41 mm 
9 days 
October   >> October
>>  
12°C 
-3°C 
210 hours 
48 mm 
13 days 
Climate in Teton Village

Is your destination not in the list? Have a look at other destinations in Wyoming, in the United States of America.

Is September the best time to visit Wyoming?

We believe that September is one of the best times to visit Wyoming with overall perfect weather in Cody.

On average, the best time to visit Wyoming is in June, July, August and September with generally perfect weather in Cody. In contrast, January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Wyoming. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.