Laramie County (Cheyenne)
September
Weather in Laramie County, Wyoming for September 2026
Your guide to Laramie County weather in September - trends and predictions
So far, September 2026 in Laramie County is slightly warmer than the historical average by 0.9 °F.
The forecast for the next days in Laramie County predicts temperatures to be around 24 °F, close to the historical average.
In general, the average temperature in Laramie County at the beginning of September is 26.7 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.1 °F by the end of September.
Laramie County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 111.8 mm.
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Temperatures
Rain 🌧️
More
23
Dry days
7
Rainy days
0
Snow days
24°/10°
Temperatures
26 km/h
Avg max wind
46 %
Avg humidity
Laramie County Weather September
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Temperatures trend during September in Laramie County
See the weather trend as well as the moving average line
September weather in Laramie County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 28° /14° | 0 mm | 7 | |
| Sept. 2 |  Patchy rain possible | 28° /13° | 0.6 mm | 7 | |
| Sept. 3 | Sunny | 28° /15° | 0.3 mm | 7 | |
| Sept. 4 | Sunny | 28° /13° | 1.4 mm | 7 | |
| Sept. 5 |  Partly cloudy | 22° /12° | 0.1 mm | 5 | |
| Sept. 6 | Sunny | 26° /11° | 0 mm | 7 | |
| Sept. 7 | Partly cloudy | 27° /13° | 3.7 mm | 5 | |
| Sept. 8 |  Overcast | 27° /14° | 0.5 mm | 6 | |
| Sept. 9 | Patchy rain possible | 27° /12° | 0.3 mm | 7 | |
| Sept. 10 | Partly cloudy | 28° /13° | 0 mm | 7 | |
| Sept. 11 | Light rain shower | 27° /14° | 1.5 mm | 5 | |
| Sept. 12 | Partly cloudy | 26° /11° | 0 mm | 6 | |
| Sept. 13 | Overcast | 26° /11° | 1.4 mm | 4 | |
| Sept. 14 | Sunny | 26° /12° | 0 mm | 5 | |
| Sept. 15 | Patchy rain possible | 25° /10° | 0.3 mm | 7 | |
| Sept. 16 | Partly cloudy | 24° /10° | 0.7 mm | 4 | |
| Sept. 17 |  Moderate or heavy rain shower | 20° /11° | 15.9 mm | 3 | |
| Sept. 18 | Overcast | 19° /7° | 0 mm | 5 | |
| Sept. 19 | Sunny | 24° /13° | 18.3 mm | 6 | |
| Sept. 20 | Sunny | 20° /10° | 4.8 mm | 6.1 | |
| Sept. 21 | Sunny | 22° /10° | 0 mm | 7 | |
| Sept. 22 | Sunny | 25° /11° | 0 mm | 6 | |
| Sept. 23 | Overcast | 22° /13° | 2.7 mm | 5 | |
| Sept. 24 | Overcast | 26° /14° | 0 mm | 7 | |
| Sept. 25 | Sunny | 26° /16° | 0 mm | 7 | |
| Sept. 26 | Overcast | 26° /17° | 0 mm | 6 | |
| Sept. 27 | Sunny | 19° /11° | 1.9 mm | 5 | |
| Sept. 28 | Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 29 | Sunny | 28° /13° | 0 mm | 7 | |
| Sept. 30 | Overcast | 22° /13° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Laramie County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Laramie County forecast closer to your planned date for the most up-to-date weather information.
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Laramie County in September - FAQ
What are the expected maximum and minimum temperatures in Laramie County during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Laramie County during September?
Significant rainfall exceeding 111.8 mm is expected in Laramie County during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Laramie County during September?
The average wind speed in Laramie County during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Laramie County
Explore the daily rainfall trends and prepare for Laramie Countys September weather 💧
Typically, Laramie County has 7 rainy days in September with a total of 111.8 mm of rainfall.
UV exposure in Laramie County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Laramie County?Get accurate weather forecasts for Laramie County, located at latitude 41.14 and longitude -104.82. Stay updated with localized weather information tailored for Laramie County.
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