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Weather in Pitkin County, Colorado for September 2027

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

    Snow Forecast ❄️

  • Snowfall in Pitkin County during September is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Pitkin County at the beginning of September is 21 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.3 °C by the end of September.

    • Rain 🌧️

  • Pitkin County experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 112.8 mm.

    • More

  • Is September a good time to visit Pitkin County? check out the best time to travel to Pitkin County page.

  • ✨ Is September a good time to visit Pitkin County? – Ask the AI Weatherman

Average dry days
20
Dry days
Average rainy days
9
Rainy days
Average snowy days
1
Snow days
Average temperatures
18°/4°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
54 %
Avg humidity

Pitkin County Weather September

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

Temperatures trend during September in Pitkin County

See the weather trend as well as the moving average line

September weather in Pitkin 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 Sunny
Sunny
 21° /5° 0.3 mm 0 cm
Sept. 3 Sunny
Sunny
 21° /5° 0 mm 0 cm
Sept. 4 Sunny
Sunny
 21° /5° 0.2 mm 0 cm
Sept. 5 Patchy rain possible
Patchy rain possible
 21° /4° 0.2 mm 0.1 cm
Sept. 6 Patchy rain possible
Patchy rain possible
 22° /5° 1.3 mm 0 cm
Sept. 7 Patchy rain possible
Patchy rain possible
 20° /4° 0 mm 0 cm
Sept. 8 Patchy rain possible
Patchy rain possible
 21° /5° 0.1 mm 0 cm
Sept. 9 Patchy rain possible
Patchy rain possible
 21° /4° 0.2 mm 0 cm
Sept. 10 Light rain
Light rain
 21° /3° 2.6 mm 0 cm
Sept. 11 Moderate rain
Moderate rain
 19° /4° 12.1 mm 0 cm
Sept. 12 Light rain
Light rain
 19° /5° 5.2 mm 0 cm
Sept. 13 Light rain
Light rain
 19° /4° 4.9 mm 0 cm
Sept. 14 Light rain
Light rain
 18° /4° 4.1 mm 0 cm
Sept. 15 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 19° /3° 2.8 mm 0 cm
Sept. 16 Patchy light rain with thunder
Patchy light rain with thunder
 19° /4° 1.1 mm 0 cm
Sept. 17 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 13° /5° 14.5 mm 0 cm
Sept. 18 Sunny
Sunny
 16° /3° 0.8 mm 0 cm
Sept. 19 Patchy rain possible
Patchy rain possible
 18° /2° 1.2 mm 0 cm
Sept. 20 Light rain
Light rain
 17° /4° 5.3 mm 0 cm
Sept. 21 Thundery outbreaks possible
Thundery outbreaks possible
 16° /2° 15.5 mm 0 cm
Sept. 22 Light rain
Light rain
 15° /3° 7.9 mm 0.1 cm
Sept. 23 Thundery outbreaks possible
Thundery outbreaks possible
 14° /-1° 0.1 mm 0 cm
Sept. 24 Patchy rain possible
Patchy rain possible
 16° /2° 2.2 mm 0 cm
Sept. 25 Light rain
Light rain
 17° /2° 2.8 mm 0 cm
Sept. 26 Sunny
Sunny
 18° /3° 0.1 mm 0 cm
Sept. 27 Cloudy
Cloudy
 18° /4° 0 mm 0 cm
Sept. 28 Thundery outbreaks possible
Thundery outbreaks possible
 15° /5° 17 mm 0 cm
Sept. 29 Light rain
Light rain
 16° /5° 7 mm 0 cm
Sept. 30 Light rain
Light rain
 14° /4° 2.9 mm 0 cm
Next
Important Notice
Our weather forecast for Pitkin 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 Pitkin County forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Pitkin County in September - FAQ

What are the expected maximum and minimum temperatures in Pitkin County during September?
During September, expect a variety of temperatures with highs around 18° and lows near 4°, suitable for diverse activities and preferences.

How much rainfall should be expected in Pitkin County during September?
Significant rainfall exceeding 112.8 mm is expected in Pitkin County during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Pitkin County in September 2027?
Pitkin County typically sees 0.2 cm of snowfall during September.

What are the typical wind conditions in Pitkin County during September?
The average wind speed in Pitkin County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

Pitkin County snow forecast September 2027

Track daily snowfall levels and discover Pitkin County’s snowy potential this September ❄️
On average, Pitkin County sees 1 snowy days during September, with approximately 0.2 cm of total snowfall.

September rainfall patterns in Pitkin County

Explore the daily rainfall trends and prepare for Pitkin Countys September weather 💧
Typically, Pitkin County has 9 rainy days in September with a total of 112.8 mm of rainfall.

UV exposure in Pitkin County during September

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