Montrose (CO)
September
Weather in Montrose, Colorado for September 2026
Your guide to Montrose weather in September - trends and predictions
In general, the average temperature in Montrose at the beginning of September is 29 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.4 °F by the end of September.
With an average of 3 rainy days, Montrose experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
27
Dry days
3
Rainy days
0
Snow days
27°/10°
Temperatures
17 km/h
Avg max wind
39 %
Avg humidity
Montrose Weather September
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Temperatures trend during September in Montrose
See the weather trend as well as the moving average line
September weather in Montrose day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 30° /10° | 0 mm | 8 | |
| Sept. 2 |  Sunny | 29° /10° | 0 mm | 8 | |
| Sept. 3 | Sunny | 30° /11° | 0 mm | 8 | |
| Sept. 4 |  Cloudy | 31° /11° | 0 mm | 8 | |
| Sept. 5 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 6 | Sunny | 27° /9° | 0 mm | 7 | |
| Sept. 7 | Sunny | 29° /10° | 0 mm | 7 | |
| Sept. 8 | Sunny | 29° /11° | 0 mm | 7 | |
| Sept. 9 |  Patchy rain possible | 28° /11° | 0.1 mm | 7 | |
| Sept. 10 |  Moderate rain at times | 29° /11° | 0.4 mm | 7 | |
| Sept. 11 | Partly cloudy | 28° /11° | 0 mm | 7 | |
| Sept. 12 | Sunny | 27° /12° | 4.8 mm | 7 | |
| Sept. 13 | Sunny | 25° /8° | 3.2 mm | 6 | |
| Sept. 14 | Sunny | 25° /6° | 0 mm | 7 | |
| Sept. 15 | Patchy rain possible | 26° /8° | 0.1 mm | 7 | |
| Sept. 16 | Cloudy | 27° /10° | 0 mm | 7 | |
| Sept. 17 | Moderate or heavy rain shower | 23° /8° | 4.5 mm | 6 | |
| Sept. 18 | Sunny | 23° /5° | 0 mm | 6 | |
| Sept. 19 | Sunny | 25° /6° | 0 mm | 7 | |
| Sept. 20 | Sunny | 26° /9° | 0 mm | 6 | |
| Sept. 21 |  Heavy rain at times | 25° /6° | 1.6 mm | 6 | |
| Sept. 22 | Cloudy | 21° /8° | 0.2 mm | 5 | |
| Sept. 23 | Partly cloudy | 21° /7° | 0 mm | 6 | |
| Sept. 24 |  Overcast | 24° /4° | 0 mm | 6 | |
| Sept. 25 | Sunny | 27° /6° | 0 mm | 7 | |
| Sept. 26 | Sunny | 26° /8° | 0 mm | 6 | |
| Sept. 27 | Sunny | 25° /7° | 0.8 mm | 6 | |
| Sept. 28 | Partly cloudy | 25° /10° | 3.6 mm | 6 | |
| Sept. 29 | Sunny | 25° /9° | 0 mm | 7 | |
| Sept. 30 | Sunny | 26° /7° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Montrose 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 forecast closer to your planned date for the most up-to-date weather information.
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Montrose in September - FAQ
What are the expected maximum and minimum temperatures in Montrose during September?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Montrose during September?
Expect minimal rainfall in Montrose during September, with a total of 13.3 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Montrose during September?
The average wind speed in Montrose during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Montrose
Explore the daily rainfall trends and prepare for Montroses September weather 💧
UV exposure in Montrose during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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