Altamont weather in September (Illinois, United States of America)

Can you expect sunny skies in Altamont in September? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

For September, the weather in Altamont is generally perfect, featuring high temperatures and moderate rainfall. You can expect daytime temperatures to reach around 27°C, while the nights will see a decline to about 13°C.

Precipitation

Altamont in September usually receives moderate rainfall, averaging around 88 mm for the month. Expect around 10 days of rain based on historical data.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. September and October generally stand out with 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 Altamont climate page with graphs.

 

Altamont, monthly averages in September

Min Temperature 13°C  

Max Temperature 27°C  

Chance of Rain 33%  

Precipitation 88 mm  

Rainy days 10 days  

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. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Interested in more climate information?

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

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.