Wyoming

Wyoming Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Wyoming, the United States of America in September.

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Cody Cheyenne Powell Jackson

Planning a getaway to Wyoming, the United States of America this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Wyoming in September

Wyoming, the United States of America 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 (68°F) to warm in Torrington at 26°C (79°F). Nighttime temperatures generally drop to 7°C (45°F) in Torrington and 4°C (39°F) in Jackson.

To explore the conditions in Wyoming, the United States of America in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Douglas with an average of 18 mm (0.7 in) to moderate rainfall in Alta with 48 mm (1.9 in).

Explore Wyoming by month

Pick a month to see the average temperature, rainfall and sunshine in Wyoming — and find the best time to visit. (based on Cody)

January3°C (37°F) February3°C (37°F) March10°C (50°F) April13°C (55°F) May18°C (64°F) June24°C (75°F) This monthJuly30°C (86°F) August28°C (82°F) September23°C (73°F) October15°C (59°F) November8°C (46°F) December1°C (34°F)
Best Time to Visit Wyoming →

Best Places to Visit in Wyoming in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Wyoming.

Conditions Temperatures Precipitation
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).

Popular Destinations in Wyoming

What is the weather like in September for some of the most popular destinations in Wyoming, the United States of America?

Temperature range in Wyoming (September)

Precipitation variation in Wyoming (September)

Cody

In September Cody generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 8°C (46°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
23°C (73°F)
15°C (59°F)
Min temperature
12°C (54°F)
8°C (46°F)
2°C (36°F)
Monthly rainfall
21 mm (0.8 in)
24 mm (0.9 in)
24 mm (0.9 in)
Monthly rainy days
9 days
7 days
9 days
Weather conditions
perfect
perfect
pleasant
Climate in Cody →

Cheyenne

In September Cheyenne generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
23°C (73°F)
15°C (59°F)
Min temperature
12°C (54°F)
7°C (45°F)
1°C (34°F)
Monthly sun hours
300 hours
270 hours
240 hours
Monthly rainfall
45 mm (1.8 in)
42 mm (1.7 in)
36 mm (1.4 in)
Monthly rainy days
13 days
8 days
8 days
Weather conditions
perfect
perfect
tolerable
Climate in Cheyenne →

Powell

In September Powell generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 6°C (43°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
24°C (75°F)
15°C (59°F)
Min temperature
11°C (52°F)
6°C (43°F)
0°C (32°F)
Monthly rainfall
11 mm (0.4 in)
20 mm (0.8 in)
17 mm (0.7 in)
Monthly rainy days
6 days
6 days
6 days
Weather conditions
perfect
perfect
pleasant
Climate in Powell →

Jackson

In September Jackson generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
20°C (68°F)
11°C (52°F)
Min temperature
7°C (45°F)
4°C (39°F)
-1°C (30°F)
Monthly sun hours
320 hours
250 hours
210 hours
Monthly rainfall
30 mm (1.2 in)
40 mm (1.6 in)
54 mm (2.1 in)
Monthly rainy days
9 days
9 days
12 days
Weather conditions
perfect
perfect
unpleasant
Climate in Jackson →

Teton Village

In September Teton Village generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
26°C (79°F)
21°C (70°F)
12°C (54°F)
Min temperature
5°C (41°F)
2°C (36°F)
-3°C (27°F)
Monthly sun hours
320 hours
250 hours
210 hours
Monthly rainfall
30 mm (1.2 in)
41 mm (1.6 in)
48 mm (1.9 in)
Monthly rainy days
10 days
9 days
13 days
Weather conditions
perfect
perfect
unpleasant
Climate in Teton Village →

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Wyoming in September.

City Weather Day temp Night temp Rainfall
Cody 23°C (73°F) 8°C (46°F) 24 mm (0.9 in)
Cheyenne 23°C (73°F) 7°C (45°F) 42 mm (1.7 in)
Powell 24°C (75°F) 6°C (43°F) 20 mm (0.8 in)
Jackson 20°C (68°F) 4°C (39°F) 40 mm (1.6 in)
Teton Village 21°C (70°F) 2°C (36°F) 41 mm (1.6 in)
Wilson 22°C (72°F) 2°C (36°F) 40 mm (1.6 in)

Wyoming weather in September: frequently asked questions

What is the weather like in Wyoming, the United States of America in September?

Expect perfect weather across Wyoming, the United States of America in September. The popular destination of Cody averages 23°C (73°F) by day and 8°C (46°F) at night during this month.

What is the average temperature in Wyoming, the United States of America in September?

Daytime temperatures in Cody peak at roughly 23°C (73°F) in September, dropping to about 8°C (46°F) overnight.

Does Wyoming, the United States of America get a lot of rain in September?

Not particularly. Cody averages just 24 mm (0.9 in) of rain in September, making it a mostly dry month for Wyoming, the United States of America.

Is September a Good Time to Visit Wyoming, the United States of America?

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

On average, the best time to visit Wyoming, the United States of America is in June, 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.

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.

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