Wyoming in september: average Weather, Temperature and Climate
Weather in Wyoming in september 2025
The weather in Wyoming in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather 14.9cm UV index: 6
Weather at 6am
54°F
Clear/Sunny
74% of time
14%
7%
3%
Weather at 12pm
72°F
Clear/Sunny
81% of time
11%
5%
3%
Weather at 6pm
74°F
Clear/Sunny
75% of time
18%
6%
2%
Weather at 3am
56°F
74%
16%
7%
3%
Evolution of daily average temperature and precipitation in Wyoming in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Wyoming in september.
The climate of Wyoming in september is good
The weather in september in Wyoming is dry ; it hardly ever rains (1.1in of precipitation over 1 days).
The climate good in this city the month of september. The thermometer averaged maximum of 76°F. In the morning the temperature drops to 54°F. Thus, the mean temperature average in september in Wyoming is 65°F. Note that seasonal normals in contrast with those observed in Wyoming in the month of september with a maximum record of 95°F in 2019 and a minimum record of 20°F in 2020.
Day length in Wyoming in september is 12:29. The sun rises at 05:49 and sets at 18:18.
With a good weather, this month is a good month to go in this city.
Seasonal average climate and temperature of Wyoming in september
Check below seasonal norms These datas are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 76°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 95°F (2019) | ||||
| Lowest record temperature | 20°F (2020) | ||||
| Number of days at +86°F | 4 day(s) (13%) | ||||
| Number of days at +65°F | 26 day(s) (87%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.1in | ||||
| Number of days with rainfall | 1 day(s) (5%) | ||||
| Record daily rainfall | 1.3in (2020) | ||||
| Snowfall | 14.9cm | ||||
| Other climate data | |||||
| Humidity | 53% | ||||
| Visibility | 9.82km | ||||
| Cloud cover | 14% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:49 | ||||
| Time of sunset | 18:18 | ||||
| Length of day | 12:29 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Wyoming in september 2024:
58°F to 86°F
59°F to 88°F
61°F to 85°F
59°F to 76°F
52°F to 74°F
56°F to 81°F
58°F to 85°F
58°F to 85°F
59°F to 83°F
56°F to 83°F
58°F to 79°F
58°F to 68°F
45°F to 68°F
47°F to 76°F
50°F to 81°F
52°F to 79°F
52°F to 63°F
45°F to 65°F
40°F to 70°F
41°F to 76°F
41°F to 59°F
40°F to 65°F
41°F to 67°F
47°F to 68°F
45°F to 81°F
50°F to 81°F
49°F to 79°F
47°F to 83°F
49°F to 83°F
45°F to 59°F
Map: other cities in the United States (USA) in september
Cities near Wyoming:
| Cody (Wyoming) in september | tolerable weather |
| Jackson Hole in september | very bad weather |
| Grand Teton National Park (Wyoming) in september | very bad weather |
| Yellowstone National Park in september | very bad weather |
| Mount Rushmore in september | good weather |
| Denver in september | perfect weather |
| Salt Lake City in september | good weather |
| Montana in september | tolerable weather |
| Arches National Park (Utah) in september | perfect weather |
| Utah in september | perfect weather |
| Moab in september | perfect weather |
| Helena (Montana) in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Wyoming
perfect weather
good
tolerable
bad
very bad
Weather data for Wyoming in september:
Weather data for Wyoming for september are derived from an average of the weather forecast since 2009 in Wyoming. There is a margin of error and these forecasts are to be considered as general information only. The weather in Wyoming can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Wyoming.