Denver weather in September (Colorado, United States of America)

Interested in knowing the climate of Denver in September? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

During September, Denver experiences perfect weather, with high temperatures and moderate rainfall. Daytime temperatures are expected to be around 26°C, cooling off to about 10°C at night.

Precipitation

Denver in September usually receives moderate rainfall, averaging around 53 mm for the month. Past climate data indicates that roughly 7 days will see rain.

Average sunshine

Expect a lot of sunshine this month, with about 270 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Denver. May, June and September typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Denver, monthly averages in September

Min Temperature 10°C  

Max Temperature 26°C  

Chance of Rain 23%  

Precipitation 53 mm  

Rainy days 7 days  

Humidity 50%  

Windspeed 14 km/h  

Sunshine 270 hours  

Percentage Sunshine 73%  

Where to go in the United States of America in September

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

Weather conditions Weather

Temperatures

Precipitation

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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 this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

4/10

Outdoor sports

8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Denver.

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 travel conditions. Find out where to go with our weather planner.