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Estes Park (CO)
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Estes Park (CO)
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United States weather

Weather in Estes Park, Colorado for September 2026

Your guide to Estes Park weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Estes Park during September is quite rare, with fewer than 2 snowy days on average.
    According to Estes Park snow forecast for September 2026, 1 snowy day is expected in the next 2 weeks at Saturday, September 19.

    • Temperatures

  • So far, September 2026 in Estes Park is slightly warmer than the historical average by 2 °F.

  • The forecast for the next days in Estes Park predicts temperatures to be around 20 °F, close to the historical average.

  • In general, the average temperature in Estes Park at the beginning of September is 20.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16 °F by the end of September.

    • Rain 🌧️

  • The climate of Estes Park in September is notably wet, with an average of 12 rainy days, and a total of 94.7 mm of precipitation.

    • More

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

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/9°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
53 %
Avg humidity

Estes Park Weather September

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

Temperatures trend during September in Estes Park

See the weather trend as well as the moving average line

September weather in Estes Park day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
Sept. 1 Sunny
Sunny
 20° /9° 0 mm 0 cm
Sept. 2 Thundery outbreaks possible
Thundery outbreaks possible
 20° /10° 0.1 mm 0 cm
Sept. 3 Cloudy
Cloudy
 21° /10° 0 mm 0 cm
Sept. 4 Cloudy
Cloudy
 24° /10° 0.1 mm 0 cm
Sept. 5 Cloudy
Cloudy
 18° /9° 0.1 mm 0 cm
Sept. 6 Thundery outbreaks possible
Thundery outbreaks possible
 19° /10° 0.8 mm 0 cm
Sept. 7 Thundery outbreaks possible
Thundery outbreaks possible
 21° /11° 0 mm 0 cm
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
 20° /10° 0.5 mm 0 cm
Sept. 9 Sunny
Sunny
 23° /8° 0 mm 0 cm
Sept. 10 Cloudy
Cloudy
 23° /9° 0 mm 0 cm
Sept. 11 Overcast
Overcast
 23° /8° 0.5 mm 0 cm
Sept. 12 Overcast
Overcast
 18° /5° 2.1 mm 0 cm
Sept. 13 Patchy rain possible
Patchy rain possible
 21° /9° 0.3 mm 0 cm
Sept. 14 Sunny
Sunny
 19° /5° 0 mm 0 cm
Sept. 15 Sunny
Sunny
 23° /7° 0 mm 0 cm
Sept. 16 Sunny
Sunny
 22° /10° 0.7 mm 0 cm
Sept. 17 Patchy rain possible
Patchy rain possible
 21° /9° 1.4 mm 0 cm
Sept. 18 Patchy rain possible
Patchy rain possible
 12° /4° 1.6 mm 0 cm
Sept. 19 Light rain shower
Light rain shower
 14° /3° 5.4 mm 0.3 cm
Sept. 20 Sunny
Sunny
 20° /6° 0 mm 0 cm
Sept. 21 Sunny
Sunny
 22° /9° 7.2 mm 0 cm
Sept. 22 Patchy light rain with thunder
Patchy light rain with thunder
 17° /7° 3.8 mm 0 cm
Sept. 23 Light sleet showers
Light sleet showers
 10° /5° 15.9 mm 0 cm
Sept. 24 Overcast
Overcast
 12° /3° 3.1 mm 0 cm
Sept. 25 Sunny
Sunny
 19° /6° 0 mm 0 cm
Sept. 26 Partly cloudy
Partly cloudy
 19° /9° 0 mm 0 cm
Sept. 27 Thundery outbreaks possible
Thundery outbreaks possible
 16° /9° 0 mm 0 cm
Sept. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /10° 19.9 mm 0 cm
Sept. 29 Thundery outbreaks possible
Thundery outbreaks possible
 15° /11° 3.7 mm 0 cm
Sept. 30 Thundery outbreaks possible
Thundery outbreaks possible
 16° /8° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Estes Park 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 Estes Park forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Estes Park in September - FAQ

What are the expected maximum and minimum temperatures in Estes Park during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Estes Park during September?
Moderate rainfall is anticipated in Estes Park during September, with a total of 94.7 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Estes Park during September?
The average wind speed in Estes Park during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

Estes Park snow forecast September 2026

Track daily snowfall levels and discover Estes Park’s snowy potential this September ❄️

September rainfall patterns in Estes Park

Explore the daily rainfall trends and prepare for Estes Parks September weather 💧
Typically, Estes Park has 12 rainy days in September with a total of 94.7 mm of rainfall.

UV exposure in Estes Park during September

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

Quick links

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Location coordinates Where is Estes Park?

Get accurate weather forecasts for Estes Park, located at latitude 40.377 and longitude -105.522. Stay updated with localized weather information tailored for Estes Park.

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