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Weather in San Miguel County, Colorado for September 2026

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

    Snow Forecast ❄️

  • With an average of 3 snowy days, San Miguel County usually enjoys a light touch of snow in September.
    According to San Miguel County snow forecast for September 2026, 1 snowy day is expected until the end of the month at Tuesday, September 29.

  • Temperatures

  • So far, September 2026 in San Miguel County is slightly warmer than the historical average by 1.4 °F.

  • The forecast for the coming days of September 2026 predicts a temperature of 14.1 °F , which is warmer than usual.

  • In general, the average temperature in San Miguel County at the beginning of September is 17 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.4 °F by the end of September.

  • Rain 🌧️

  • San Miguel County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 127.7 mm.

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Average dry days
22
Dry days
Average rainy days
6
Rainy days
Average snowy days
3
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

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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

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Date Weather Temperatures Rain Snow More
Sept. 1 Patchy light rain with thunder
Patchy light rain with thunder
18° /4° 1.1 mm 0 cm
Sept. 2 Patchy light drizzle
Patchy light drizzle
16° /5° 0.3 mm 0 cm
Sept. 3 Patchy rain possible
Patchy rain possible
19° /5° 0.1 mm 0 cm
Sept. 4 Patchy rain possible
Patchy rain possible
18° /6° 0.1 mm 0 cm
Sept. 5 Sunny
Sunny
15° /5° 7.1 mm 0 cm
Sept. 6 Patchy rain possible
Patchy rain possible
16° /4° 7.3 mm 0 cm
Sept. 7 Patchy rain possible
Patchy rain possible
17° /5° 0.4 mm 0 cm
Sept. 8 Sunny
Sunny
17° /6° 0.1 mm 0 cm
Sept. 9 Patchy rain possible
Patchy rain possible
15° /5° 0.1 mm 0 cm
Sept. 10 Patchy light rain with thunder
Patchy light rain with thunder
15° /4° 3.1 mm 0.6 cm
Sept. 11 Patchy light rain with thunder
Patchy light rain with thunder
14° /4° 9.4 mm 0.3 cm
Sept. 12 Sunny
Sunny
14° /2° 2.5 mm 0 cm
Sept. 13 Sunny
Sunny
13° /2° 1.8 mm 0 cm
Sept. 14 Sunny
Sunny
13° /1° 3 mm 0 cm
Sept. 15 Patchy light rain with thunder
Patchy light rain with thunder
13° /3° 1.7 mm 0.2 cm
Sept. 16 Patchy light snow with thunder
Patchy light snow with thunder
12° /3° 3 mm 0.1 cm
Sept. 17 Patchy light rain with thunder
Patchy light rain with thunder
10° /4° 19 mm 0 cm
Sept. 18 Sunny
Sunny
12° /2° 0.6 mm 0 cm
Sept. 19 Sunny
Sunny
12° /3° 2.2 mm 0 cm
Sept. 20 Sunny
Sunny
12° /3° 2 mm 0 cm
Sept. 21 Moderate or heavy snow showers
Moderate or heavy snow showers
11° /1° 5.4 mm 2.3 cm
Sept. 22 Fog
Fog
9° /0° 7.8 mm 2.7 cm
Sept. 23 Thundery outbreaks possible
Thundery outbreaks possible
9° /1° 2.4 mm 0 cm
Sept. 24 Partly cloudy
Partly cloudy
11° /2° 1.7 mm 0 cm
Sept. 25 Partly cloudy
Partly cloudy
12° /4° 3 mm 0 cm
Sept. 26 Patchy rain possible
Patchy rain possible
13° /2° 0.2 mm 0 cm
Sept. 27 Overcast
Overcast
16° /4° 0 mm 0 cm
Sept. 28 Light sleet showers
Light sleet showers
6° /4° 4.5 mm 0 cm
Sept. 29 Light rain shower
Light rain shower
11° /3° 5.9 mm 2 cm
Sept. 30 Patchy rain possible
Patchy rain possible
11° /4° 2.3 mm 0 cm
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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.

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 6 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 9.4 cm during September, occurring over 3 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 3 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 6 rainy days in September with a total of 127.7 mm of rainfall.
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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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