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Eagle County (Vail)
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United States weather

Weather in Eagle County, Colorado for September 2026

Your guide to Eagle County weather in September - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Eagle County usually enjoys a light touch of snow in September.

    • Temperatures

  • In general, the average temperature in Eagle County at the beginning of September is 20.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 17.9 °F by the end of September.

    • Rain 🌧️

  • Eagle County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 140 mm.

    • More

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

Average dry days
21
Dry days
Average rainy days
6
Rainy days
Average snowy days
3
Snow days
Average temperatures
19°/2°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
48 %
Avg humidity

Eagle County Weather September

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

Temperatures trend during September in Eagle County

See the weather trend as well as the moving average line

September weather in Eagle County day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
Sept. 1 Patchy rain possible
Patchy rain possible
 22° /3° 0 mm 0 cm
Sept. 2 Patchy light drizzle
Patchy light drizzle
 22° /4° 0.6 mm 0 cm
Sept. 3 Patchy rain possible
Patchy rain possible
 22° /3° 0.2 mm 0 cm
Sept. 4 Patchy light rain with thunder
Patchy light rain with thunder
 21° /3° 1.2 mm 0 cm
Sept. 5 Moderate or heavy snow showers
Moderate or heavy snow showers
 18° /3° 0.7 mm 0.3 cm
Sept. 6 Patchy rain possible
Patchy rain possible
 21° /1° 1.9 mm 0 cm
Sept. 7 Patchy light drizzle
Patchy light drizzle
 20° /2° 1 mm 0 cm
Sept. 8 Sunny
Sunny
 21° /3° 0 mm 0 cm
Sept. 9 Partly cloudy
Partly cloudy
 21° /3° 0.1 mm 0 cm
Sept. 10 Patchy rain possible
Patchy rain possible
 21° /3° 4.2 mm 0 cm
Sept. 11 Patchy light rain with thunder
Patchy light rain with thunder
 19° /3° 7.4 mm 0 cm
Sept. 12 Sunny
Sunny
 18° /2° 9.4 mm 0 cm
Sept. 13 Sunny
Sunny
 16° /3° 0 mm 0 cm
Sept. 14 Sunny
Sunny
 18° /0° 0.6 mm 0 cm
Sept. 15 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 18° /1° 2.4 mm 0.4 cm
Sept. 16 Light rain shower
Light rain shower
 18° /3° 1.1 mm 0 cm
Sept. 17 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 14° /3° 15.5 mm 0 cm
Sept. 18 Sunny
Sunny
 15° /2° 0 mm 0 cm
Sept. 19 Sunny
Sunny
 18° /2° 0 mm 0 cm
Sept. 20 Sunny
Sunny
 18° /3° 0 mm 0 cm
Sept. 21 Light rain
Light rain
 16° /2° 26.6 mm 0 cm
Sept. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /-1° 20.8 mm 11.1 cm
Sept. 23 Thundery outbreaks possible
Thundery outbreaks possible
 12° /0° 1.1 mm 0 cm
Sept. 24 Partly cloudy
Partly cloudy
 16° /0° 0 mm 0 cm
Sept. 25 Sunny
Sunny
 20° /0° 0 mm 0 cm
Sept. 26 Sunny
Sunny
 19° /2° 0 mm 0 cm
Sept. 27 Overcast
Overcast
 18° /4° 0 mm 0 cm
Sept. 28 Partly cloudy
Partly cloudy
 17° /2° 5.7 mm 0 cm
Sept. 29 Sunny
Sunny
 17° /2° 31 mm 0 cm
Sept. 30 Partly cloudy
Partly cloudy
 18° /2° 0 mm 0 cm
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Important Notice
Our weather forecast for Eagle 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 Eagle County forecast closer to your planned date for the most up-to-date weather information.
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Eagle County in September - FAQ

What are the expected maximum and minimum temperatures in Eagle County during September?
During September, expect a variety of temperatures with highs around 19° and lows near 2°, suitable for diverse activities and preferences.
How much rainfall should be expected in Eagle County during September?
Significant rainfall exceeding 140 mm is expected in Eagle County during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Eagle County in September 2026?
Eagle County experiences an average snowfall of 22.68 cm during September, occurring over 3 days.
What are the typical wind conditions in Eagle County during September?
The average wind speed in Eagle County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

Eagle County snow forecast September 2026

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

September rainfall patterns in Eagle County

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

UV exposure in Eagle County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Eagle County
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Vail
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Location coordinates Where is Eagle County?

Get accurate weather forecasts for Eagle County, located at latitude 39.64 and longitude -106.374. Stay updated with localized weather information tailored for Eagle County.

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