Aspen weather in September (Colorado, United States of America)
Planning a trip to Aspen in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.
In September, Aspen generally has pleasant temperatures and moderate rainfall. Anticipate daytime temperatures around 19°C, while night temperatures can drop to 4°C.
Aspen in September usually receives moderate rainfall, averaging around 47 mm for the month. Typically around 12 days of rainfall is expected.
Should you favor a climate that's both dry and comfortably warm June, July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, April, November and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Aspen climate page with graphs.
Aspen, monthly averages in September
Min Temperature
4°C
Max Temperature
19°C
Chance of Rain
39%
Precipitation
47 mm
Rainy days
12 days
Humidity
51%
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Aspen in September?
For visitors traveling to Aspen, 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.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Aspen.
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.
