Fort Collins weather in September (Colorado, United States of America)

Is Fort Collins a good destination in September, weather-wise? Check out our in-depth weather guide for this month.

Temperatures

For September, the weather in Fort Collins is generally perfect, featuring high temperatures and moderate rainfall. In the daytime, temperatures tend to hover near 26°C, cooling down at night to around 9°C.

Precipitation

Fort Collins in September usually receives moderate rainfall, averaging around 37 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 7 days of the month will see rainfall.

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 a fan of comfortable temperatures and drier conditions, September is a great time to visit. May, June and September generally stand out with the best circumstances. While December tends to showcase less optimal conditions.

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

 

Fort Collins, monthly averages in September

Min Temperature 9°C  

Max Temperature 26°C  

Chance of Rain 23%  

Precipitation 37 mm  

Rainy days 7 days  

Humidity 52% *  

Sunshine 270 hours *  

Percentage Sunshine 70% *  

Data from: Cheyenne, the United States of America (68 KM, 42 Miles).

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

5/10

Outdoor sports

8/10

Interested in more climate information?

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

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.