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Colorado United States

Weather in San Miguel County for September 2025

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

    Snow Forecast ❄️

  • With an average of 5 snowy days, San Miguel County usually enjoys a light touch of snow in September.

  • Temperatures

  • In general, the average temperature in San Miguel County at the beginning of September is 17.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.6 °F by the end of September.

  • More

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

Average dry days
21
Dry days
Average rainy days
4
Rainy days
Average snowy days
5
Snow days
Average temperatures
14°/3°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
54 %
Avg humidity

San Miguel County in September average weather

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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 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
20° /4° 3.4 mm 0 cm
Sept. 2 Patchy light drizzle
Patchy light drizzle
15° /2° 0.8 mm 0 cm
Sept. 3 Patchy rain possible
Patchy rain possible
22° /3° 0 mm 0 cm
Sept. 4 Patchy rain possible
Patchy rain possible
16° /4° 0.1 mm 0 cm
Sept. 5 Sunny
Sunny
15° /2° 0 mm 0 cm
Sept. 6 Patchy rain possible
Patchy rain possible
17° /2° 0.1 mm 0 cm
Sept. 7 Patchy rain possible
Patchy rain possible
20° /3° 0 mm 0 cm
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
16° /3° 0.2 mm 0 cm
Sept. 9 Patchy rain possible
Patchy rain possible
13° /3° 0.4 mm 0 cm
Sept. 10 Patchy light rain with thunder
Patchy light rain with thunder
14° /3° 9.2 mm 1.7 cm
Sept. 11 Patchy light rain with thunder
Patchy light rain with thunder
12° /2° 3.2 mm 1 cm
Sept. 12 Sunny
Sunny
14° /1° 0 mm 0 cm
Sept. 13 Sunny
Sunny
15° /0° 0 mm 0 cm
Sept. 14 Sunny
Sunny
15° /1° 0 mm 0 cm
Sept. 15 Patchy light rain with thunder
Patchy light rain with thunder
12° /2° 2.2 mm 0.7 cm
Sept. 16 Patchy light snow with thunder
Patchy light snow with thunder
10° /2° 4.6 mm 0.4 cm
Sept. 17 Patchy light rain with thunder
Patchy light rain with thunder
9° /4° 39.8 mm 0 cm
Sept. 18 Sunny
Sunny
10° /1° 0 mm 0 cm
Sept. 19 Sunny
Sunny
13° /4° 0 mm 0 cm
Sept. 20 Sunny
Sunny
13° /4° 0 mm 0 cm
Sept. 21 Moderate or heavy snow showers
Moderate or heavy snow showers
8° /-1° 16 mm 6.8 cm
Sept. 22 Fog
Fog
6° /0° 0 mm 0 cm
Sept. 23 Thundery outbreaks possible
Thundery outbreaks possible
8° /2° 0 mm 0 cm
Sept. 24 Partly cloudy
Partly cloudy
12° /5° 0 mm 0 cm
Sept. 25 Partly cloudy
Partly cloudy
15° /6° 0 mm 0 cm
Sept. 26 Partly cloudy
Partly cloudy
14° /7° 0 mm 0 cm
Sept. 27 Overcast
Overcast
14° /7° 0 mm 0 cm
Sept. 28 Thundery outbreaks possible
Thundery outbreaks possible
13° /7° 0 mm 0 cm
Sept. 29 Thundery outbreaks possible
Thundery outbreaks possible
13° /6° 0 mm 0 cm
Sept. 30 Partly cloudy
Partly cloudy
14° /9° 0 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 14° and colder nights, dipping below 3°.
How much rainfall should be expected in San Miguel County during September?
Moderate rainfall is anticipated in San Miguel County during September, with a total of 80 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
Will it snow in San Miguel County in September 2025?
San Miguel County experiences an average snowfall of 10.7 cm during September, occurring over 5 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 2025

Track daily snowfall levels and discover San Miguel County’s snowy potential this September ❄️

September rainfall patterns in San Miguel County

Explore the daily rainfall trends and prepare for San Miguel Countys September weather 💧

UV exposure in San Miguel County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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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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