Routt County (Steamboat Springs)
September
Weather in Routt County for September 2025
Your guide to Routt County weather in September - trends and predictions
In general, the average temperature in Routt County at the beginning of September is 25.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.1 °F by the end of September.
Routt County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 62.7 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
23°/5°
Temperatures
20 km/h
Avg max wind
42 %
Avg humidity
Routt County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  27° | 3 26° | 4  24° | 5  24° | 6 26° | 7 26° |
| 8 27° | 9 26° | 10 25° | 11 22° | 12 23° | 13 20° | 14 24° |
| 15 22° | 16  23° | 17  16° | 18  16° | 19 20° | 20 23° | 21  21° |
| 22 15° | 23 17° | 24 21° | 25 25° | 26 24° | 27 25° | 28 25° |
| 29 25° | 30 24° |
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Temperatures trend during September in Routt County
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 28° /7° | 0 mm | 7 | |
| Sept. 2 | Patchy rain possible | 27° /7° | 0.3 mm | 6 | |
| Sept. 3 | Patchy rain possible | 26° /6° | 2 mm | 6 | |
| Sept. 4 | Light drizzle | 24° /5° | 1.2 mm | 5 | |
| Sept. 5 | Partly cloudy | 24° /3° | 1.8 mm | 6 | |
| Sept. 6 | Sunny | 26° /4° | 0 mm | 7 | |
| Sept. 7 | Sunny | 26° /5° | 0 mm | 7 | |
| Sept. 8 | Partly cloudy | 27° /5° | 0 mm | 7 | |
| Sept. 9 | Patchy rain possible | 26° /6° | 0.1 mm | 6 | |
| Sept. 10 | Patchy rain possible | 25° /4° | 0.3 mm | 6 | |
| Sept. 11 | Patchy rain possible | 22° /5° | 0.3 mm | 5 | |
| Sept. 12 | Partly cloudy | 23° /2° | 0 mm | 6 | |
| Sept. 13 | Sunny | 20° /0° | 0 mm | 6 | |
| Sept. 14 | Sunny | 24° /2° | 0 mm | 6 | |
| Sept. 15 | Patchy rain possible | 22° /4° | 0.3 mm | 5 | |
| Sept. 16 | Patchy light rain with thunder | 23° /3° | 2.4 mm | 5 | |
| Sept. 17 | Moderate or heavy rain with thunder | 16° /4° | 23.8 mm | 4 | |
| Sept. 18 | Cloudy | 16° /1° | 0 mm | 4 | |
| Sept. 19 | Sunny | 20° /2° | 0 mm | 6 | |
| Sept. 20 | Sunny | 23° /5° | 0 mm | 6 | |
| Sept. 21 | Overcast | 21° /5° | 15.1 mm | 5 | |
| Sept. 22 | Overcast | 15° /5° | 14.9 mm | 4 | |
| Sept. 23 | Cloudy | 17° /3° | 0 mm | 4 | |
| Sept. 24 | Partly cloudy | 21° /4° | 0 mm | 6 | |
| Sept. 25 | Sunny | 25° /5° | 0 mm | 7 | |
| Sept. 26 | Sunny | 24° /8° | 0 mm | 6 | |
| Sept. 27 | Sunny | 25° /7° | 0 mm | 7 | |
| Sept. 28 | Sunny | 25° /7° | 0 mm | 7 | |
| Sept. 29 | Sunny | 25° /8° | 0 mm | 7 | |
| Sept. 30 | Sunny | 24° /9° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Routt 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 Routt County forecast closer to your planned date for the most up-to-date weather information.
Routt County in September - FAQ
What are the expected maximum and minimum temperatures in Routt County during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Routt County during September?
Moderate rainfall is anticipated in Routt County during September, with a total of 62.7 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Routt County during September?
The average wind speed in Routt County during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Routt County
Explore the daily rainfall trends and prepare for Routt Countys September weather 💧
UV exposure in Routt County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Routt County?Get accurate weather forecasts for Routt County, located at latitude 40.485 and longitude -106.832. Stay updated with localized weather information tailored for Routt County.
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