Laramie County (Cheyenne)
September
Weather in Laramie County, Wyoming for September 2025
Your guide to Laramie County weather in September - trends and predictions
Until now, September 2025 in Laramie County is slightly cooler than the historical average by -1.5 °F.
Expect cooler weather in the next days in Laramie County with the forecast suggesting a temperature of 23.6 °F, lower than the historical average.
In general, the average temperature in Laramie County at the beginning of September is 25.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.9 °F by the end of September.
Laramie County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 148.9 mm.
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Temperatures
Rain 🌧️
More
24
Dry days
6
Rainy days
0
Snow days
25°/11°
Temperatures
27 km/h
Avg max wind
37 %
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 | 27° /12° | 0 mm | 7 | |
| Sept. 2 |  Patchy rain possible | 28° /11° | 0.2 mm | 7 | |
| Sept. 3 |  Patchy light drizzle | 27° /15° | 0.4 mm | 7 | |
| Sept. 4 | Light rain shower | 27° /12° | 2 mm | 7 | |
| Sept. 5 |  Partly cloudy | 18° /10° | 0 mm | 5 | |
| Sept. 6 | Sunny | 24° /9° | 0 mm | 7 | |
| Sept. 7 | Partly cloudy | 26° /11° | 5.3 mm | 6 | |
| Sept. 8 | Sunny | 27° /14° | 0 mm | 7 | |
| Sept. 9 | Patchy rain possible | 28° /14° | 0.5 mm | 6 | |
| Sept. 10 | Partly cloudy | 28° /14° | 0 mm | 7 | |
| Sept. 11 | Light rain shower | 26° /14° | 2.1 mm | 6 | |
| Sept. 12 | Partly cloudy | 27° /12° | 0 mm | 7 | |
| Sept. 13 |  Overcast | 24° /10° | 1.8 mm | 5 | |
| Sept. 14 | Sunny | 24° /10° | 0 mm | 6 | |
| Sept. 15 | Patchy rain possible | 27° /11° | 0.4 mm | 7 | |
| Sept. 16 | Partly cloudy | 27° /14° | 1.4 mm | 7 | |
| Sept. 17 | Patchy rain possible | 21° /8° | 1.3 mm | 1.4 | |
| Sept. 18 | Partly cloudy | 17° /8° | 0 mm | 1.1 | |
| Sept. 19 | Sunny | 25° /6° | 0 mm | 1.7 | |
| Sept. 20 | Patchy rain possible | 26° /13° | 0.2 mm | 1.5 | |
| Sept. 21 | Sunny | 25° /15° | 0 mm | 0 | |
| Sept. 22 | Sunny | 23° /13° | 0 mm | 5 | |
| Sept. 23 | Sunny | 27° /11° | 0 mm | 5 | |
| Sept. 24 | Sunny | 30° /15° | 0 mm | 6 | |
| Sept. 25 | Sunny | 27° /17° | 0 mm | 6 | |
| Sept. 26 | Sunny | 28° /14° | 0 mm | 6 | |
| Sept. 27 | Sunny | 27° /15° | 0.1 mm | 6 | |
| Sept. 28 | Patchy rain possible | 12° /11° | 2.4 mm | 3 | |
| Sept. 29 | Patchy rain possible | 20° /11° | 0.2 mm | 3 | |
| Sept. 30 | Sunny | 23° /12° | 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 25° and cooler nights around 11°. 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 148.9 mm is expected in Laramie County during September, occurring over more than 6 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 27 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 💧
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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