Montrose County (Montrose)
September
Weather in Montrose County, Colorado for September 2026
Your guide to Montrose County weather in September - trends and predictions
Until now, September 2026 in Montrose County has been nearly identical to the historical average, with a temperature of 26.7 °F (showing only a slight deviation of 0 °F).
The forecast for the coming days of September 2026 predicts a temperature of 22.4 °F , which is warmer than usual.
In general, the average temperature in Montrose County at the beginning of September is 28.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.3 °F by the end of September.
With an average of 5 rainy days, Montrose County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
25
Dry days
5
Rainy days
0
Snow days
26°/9°
Temperatures
21 km/h
Avg max wind
41 %
Avg humidity
Montrose County Weather September
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Temperatures trend during September in Montrose County
See the weather trend as well as the moving average line
September weather in Montrose County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 29° /10° | 0 mm | 9 | |
| Sept. 2 | Sunny | 29° /11° | 0.1 mm | 9 | |
| Sept. 3 | Sunny | 29° /12° | 0 mm | 8 | |
| Sept. 4 |  Cloudy | 30° /12° | 0 mm | 8 | |
| Sept. 5 | Sunny | 28° /12° | 0 mm | 8 | |
| Sept. 6 | Sunny | 28° /10° | 0.1 mm | 6 | |
| Sept. 7 | Sunny | 29° /12° | 0.2 mm | 5 | |
| Sept. 8 | Sunny | 29° /12° | 0 mm | 8 | |
| Sept. 9 |  Patchy rain possible | 29° /11° | 0 mm | 7 | |
| Sept. 10 |  Partly cloudy | 29° /11° | 0.3 mm | 8 | |
| Sept. 11 | Partly cloudy | 29° /11° | 0 mm | 7 | |
| Sept. 12 | Sunny | 28° /12° | 3.5 mm | 7 | |
| Sept. 13 | Sunny | 27° /10° | 2.5 mm | 7 | |
| Sept. 14 | Sunny | 26° /9° | 1.7 mm | 5 | |
| Sept. 15 | Patchy rain possible | 27° /9° | 1.1 mm | 6 | |
| Sept. 16 | Cloudy | 26° /11° | 1.7 mm | 5 | |
| Sept. 17 |  Moderate or heavy rain shower | 21° /9° | 8.3 mm | 4 | |
| Sept. 18 | Sunny | 24° /7° | 0.6 mm | 5 | |
| Sept. 19 | Sunny | 25° /8° | 0.4 mm | 7 | |
| Sept. 20 | Sunny | 25° /9° | 0 mm | 7 | |
| Sept. 21 |  Heavy rain at times | 25° /7° | 1 mm | 6 | |
| Sept. 22 | Patchy rain possible | 23° /8° | 0.5 mm | 4 | |
| Sept. 23 | Partly cloudy | 21° /8° | 0 mm | 4 | |
| Sept. 24 |  Overcast | 23° /6° | 1 mm | 4 | |
| Sept. 25 | Sunny | 25° /7° | 2.4 mm | 6 | |
| Sept. 26 | Sunny | 23° /10° | 0 mm | 6.2 | |
| Sept. 27 | Overcast | 24° /12° | 0 mm | 6 | |
| Sept. 28 | Overcast | 16° /11° | 4.7 mm | 0.9 | |
| Sept. 29 | Patchy rain possible | 17° /10° | 2.1 mm | 6 | |
| Sept. 30 | Overcast | 21° /11° | 0.2 mm | 6.4 | |
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Important Notice
Our weather forecast for Montrose 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 Montrose County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Montrose County in September - FAQ
What are the expected maximum and minimum temperatures in Montrose County during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Montrose County during September?
Expect minimal rainfall in Montrose County during September, with a total of 19.2 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Montrose County during September?
The average wind speed in Montrose County during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Montrose County
Explore the daily rainfall trends and prepare for Montrose Countys September weather 💧
Typically, Montrose County has 5 rainy days in September with a total of 19.2 mm of rainfall.
UV exposure in Montrose County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Montrose County?Get accurate weather forecasts for Montrose County, located at latitude 38.478 and longitude -107.876. Stay updated with localized weather information tailored for Montrose County.
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