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San Miguel County (Telluride)
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United States weather

Weather in San Miguel County, Colorado for September 2026

Your guide to San Miguel County weather in September - trends and predictions

    Snow Forecast ❄️

  • San Miguel County typically experiences moderate snowfall in September, with an average of 6 snowy days.

    • Temperatures

  • In general, the average temperature in San Miguel County at the beginning of September is 15.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.7 °C by the end of September.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
10
Rainy days
Average snowy days
6
Snow days
Average temperatures
12°/4°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
57 %
Avg humidity

San Miguel County Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy light rain with thunder
17°
2
Patchy light drizzle
15°
3
Patchy rain possible
19°
4
Patchy rain possible
16°
5
Sunny
12°
6
Patchy rain possible
14°
7
Patchy rain possible
16°
8
Thundery outbreaks possible
16°
9
Patchy rain possible
13°
10
Patchy light rain with thunder
14°
11
Patchy light rain with thunder
12°
12
Sunny
12°
13
Sunny
11°
14
Sunny
13°
15
Patchy light rain with thunder
12°
16
Patchy light snow with thunder
11°
17
Patchy light rain with thunder
10°
18
Sunny
11°
19
Sunny
12°
20
Sunny
11°
21
Moderate or heavy snow showers
9°
22
Fog
7°
23
Thundery outbreaks possible
9°
24
Partly cloudy
11°
25
Partly cloudy
14°
26
Partly cloudy
12°
27
Overcast
13°
28
Thundery outbreaks possible
11°
29
Thundery outbreaks possible
10°
30
Partly cloudy
11°

Temperatures trend during September in San Miguel County

See the weather trend as well as the moving average line

September weather in San Miguel County day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
Sept. 1 Patchy light rain with thunder
Patchy light rain with thunder
 17° /4° 1.7 mm 0 cm
Sept. 2 Patchy light drizzle
Patchy light drizzle
 15° /4° 0.4 mm 0 cm
Sept. 3 Patchy rain possible
Patchy rain possible
 19° /6° 0 mm 0 cm
Sept. 4 Patchy rain possible
Patchy rain possible
 16° /7° 0 mm 0 cm
Sept. 5 Sunny
Sunny
 12° /4° 10.6 mm 0 cm
Sept. 6 Patchy rain possible
Patchy rain possible
 14° /4° 10.8 mm 0 cm
Sept. 7 Patchy rain possible
Patchy rain possible
 16° /4° 0 mm 0 cm
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
 16° /5° 0.1 mm 0 cm
Sept. 9 Patchy rain possible
Patchy rain possible
 13° /5° 0.2 mm 0 cm
Sept. 10 Patchy light rain with thunder
Patchy light rain with thunder
 14° /5° 4.6 mm 0.9 cm
Sept. 11 Patchy light rain with thunder
Patchy light rain with thunder
 12° /4° 14 mm 0.5 cm
Sept. 12 Sunny
Sunny
 12° /2° 2.8 mm 0 cm
Sept. 13 Sunny
Sunny
 11° /2° 0 mm 0 cm
Sept. 14 Sunny
Sunny
 13° /0° 0 mm 0 cm
Sept. 15 Patchy light rain with thunder
Patchy light rain with thunder
 12° /3° 1.1 mm 0.4 cm
Sept. 16 Patchy light snow with thunder
Patchy light snow with thunder
 11° /3° 2.3 mm 0.2 cm
Sept. 17 Patchy light rain with thunder
Patchy light rain with thunder
 10° /4° 19.9 mm 0 cm
Sept. 18 Sunny
Sunny
 11° /2° 0 mm 0 cm
Sept. 19 Sunny
Sunny
 12° /4° 2.5 mm 0 cm
Sept. 20 Sunny
Sunny
 11° /4° 3 mm 0 cm
Sept. 21 Moderate or heavy snow showers
Moderate or heavy snow showers
 9° /2° 8 mm 3.4 cm
Sept. 22 Fog
Fog
 7° /0° 10.4 mm 4 cm
Sept. 23 Thundery outbreaks possible
Thundery outbreaks possible
 9° /1° 0 mm 0 cm
Sept. 24 Partly cloudy
Partly cloudy
 11° /2° 0 mm 0 cm
Sept. 25 Partly cloudy
Partly cloudy
 14° /5° 0 mm 0 cm
Sept. 26 Partly cloudy
Partly cloudy
 12° /6° 0 mm 0 cm
Sept. 27 Overcast
Overcast
 13° /4° 13.8 mm 0 cm
Sept. 28 Thundery outbreaks possible
Thundery outbreaks possible
 11° /5° 9.6 mm 0 cm
Sept. 29 Thundery outbreaks possible
Thundery outbreaks possible
 10° /4° 11.9 mm 0 cm
Sept. 30 Partly cloudy
Partly cloudy
 11° /6° 0 mm 0 cm
Next
Important Notice
Our weather forecast for San Miguel 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 San Miguel County forecast closer to your planned date for the most up-to-date weather information.
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San Miguel County in September - FAQ

What are the expected maximum and minimum temperatures in San Miguel County during September?

Prepare for cooler days with highs just around 12° and colder nights, dipping below 4°.

How much rainfall should be expected in San Miguel County during September?

Significant rainfall exceeding 127.7 mm is expected in San Miguel County during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.

Will it snow in San Miguel County in September 2026?

San Miguel County experiences an average snowfall of 9.35 cm during September, occurring over 6 days.

What are the typical wind conditions in San Miguel County during September?

The average wind speed in San Miguel County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

San Miguel County snow forecast September 2026

Track daily snowfall levels and discover San Miguel County’s snowy potential this September ❄️
On average, San Miguel County sees 6 snowy days during September, with approximately 9.4 cm of total snowfall.

September rainfall patterns in San Miguel County

Explore the daily rainfall trends and prepare for San Miguel Countys September weather 💧
Typically, San Miguel County has 10 rainy days in September with a total of 127.7 mm of rainfall.
Top locations in San Miguel County
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Telluride
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Location coordinates Where is San Miguel County?

Get accurate weather forecasts for San Miguel County, located at latitude 37.937 and longitude -107.812. Stay updated with localized weather information tailored for San Miguel County.

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