Mount Crested Butte weather in September (Colorado, United States of America)

Curious about the September weather in Mount Crested Butte? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In September, Mount Crested Butte generally has pleasant temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 18°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 2°C.

Mount Crested Butte in September usually receives moderate rainfall, averaging around 54 mm for the month. Typically around 12 days of rainfall is expected.

In case you lean more towards enjoying temperate temperatures and rain-free days June, July and August typically offer the most optimal weather. In contrast, January, February, March, April, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Mount Crested Butte climate page with graphs.

 

Mount Crested Butte, monthly averages in September

Min TemperatureMin Temperature 2°C  
Max TemperatureMax Temperature 18°C  
Chance of RainChance of Rain 40%  
PrecipitationPrecipitation 54 mm  
Rainy daysRainy days 12 days  
HumidityHumidity 51% *  
* Data from: Aspen, the United States of America (33 KM, 21 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Mount Crested Butte in September?

For visitors traveling to Mount Crested Butte, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Cycling
10/10
Walking
10/10
Camping
4/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Mount Crested Butte.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.