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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.
    According to Eagle County snow forecast for September 2026, 3 snowy days are expected until the end of the month. The closest date with snow is Thursday, September 24.

    • Temperatures

  • Until now, September 2026 in Eagle County has been nearly identical to the historical average, with a temperature of 18.6 °F (showing only a slight deviation of 0.2 °F).

  • The forecast for the upcoming days in Eagle County predicts a temperature of 14.1 °F, which is slightly above the historical average.

  • In general, the average temperature in Eagle County at the beginning of September is 20.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.3 °F by the end of September.

    • Rain 🌧️

  • The climate of Eagle County in September is notably wet, with an average of 12 rainy days, and a total of 131.5 mm of precipitation.

    • More

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

Average dry days
15
Dry days
Average rainy days
12
Rainy days
Average snowy days
3
Snow days
Average temperatures
18°/2°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
50 %
Avg humidity

Eagle County Weather September

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

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 Sunny
Sunny
 21° /4° 0.4 mm 0 cm
Sept. 2 Patchy light drizzle
Patchy light drizzle
 21° /4° 0.4 mm 0 cm
Sept. 3 Sunny
Sunny
 21° /4° 0.1 mm 0 cm
Sept. 4 Sunny
Sunny
 21° /4° 0.8 mm 0 cm
Sept. 5 Moderate or heavy snow showers
Moderate or heavy snow showers
 20° /4° 0.5 mm 0.2 cm
Sept. 6 Patchy rain possible
Patchy rain possible
 21° /3° 1.3 mm 0 cm
Sept. 7 Patchy light drizzle
Patchy light drizzle
 19° /4° 0.7 mm 0 cm
Sept. 8 Sunny
Sunny
 21° /4° 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° 2.8 mm 0 cm
Sept. 11 Patchy light rain with thunder
Patchy light rain with thunder
 19° /3° 5 mm 0 cm
Sept. 12 Sunny
Sunny
 19° /3° 6.4 mm 0 cm
Sept. 13 Sunny
Sunny
 19° /4° 2.1 mm 0 cm
Sept. 14 Sunny
Sunny
 18° /2° 3.5 mm 0 cm
Sept. 15 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 18° /2° 2.1 mm 0.3 cm
Sept. 16 Light rain shower
Light rain shower
 19° /4° 1.1 mm 0 cm
Sept. 17 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 14° /4° 13.6 mm 0 cm
Sept. 18 Sunny
Sunny
 16° /3° 1.1 mm 0 cm
Sept. 19 Sunny
Sunny
 17° /2° 1.5 mm 0 cm
Sept. 20 Sunny
Sunny
 17° /3° 0 mm 0 cm
Sept. 21 Light rain
Light rain
 16° /1° 17.7 mm 0 cm
Sept. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /0° 15.2 mm 7.4 cm
Sept. 23 Thundery outbreaks possible
Thundery outbreaks possible
 13° /1° 0.8 mm 0 cm
Sept. 24 Overcast
Overcast
 13° /3° 1.7 mm 0.1 cm
Sept. 25 Overcast
Overcast
 15° /3° 0.1 mm 0 cm
Sept. 26 Sunny
Sunny
 17° /3° 0 mm 0 cm
Sept. 27 Overcast
Overcast
 19° /5° 0.4 mm 0 cm
Sept. 28 Light rain shower
Light rain shower
 9° /4° 7.6 mm 1.7 cm
Sept. 29 Patchy rain possible
Patchy rain possible
 6° /0° 2.7 mm 1.3 cm
Sept. 30 Sunny
Sunny
 14° /-1° 0 mm 0 cm
Next
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.
Change Month
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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 18° and lows near 2°, suitable for diverse activities and preferences.

How much rainfall should be expected in Eagle County during September?
Significant rainfall exceeding 131.5 mm is expected in Eagle County during September, occurring over more than 12 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 11.9 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 14 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 ❄️
On average, Eagle County sees 3 snowy days during September, with approximately 11.9 cm of total snowfall.

September rainfall patterns in Eagle County

Explore the daily rainfall trends and prepare for Eagle Countys September weather 💧
Typically, Eagle County has 12 rainy days in September with a total of 131.5 mm of rainfall.

UV exposure in Eagle 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 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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