Ottumwa weather in September (Iowa, United States of America)

Curious about the climate in Ottumwa this September? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

The weather in Ottumwa is usually perfect in September, characterized by high temperatures and moderate rainfall. The daytime often sees temperatures reaching 25°C, but nighttime brings a cool-down to 12°C.

Precipitation

Ottumwa in September usually receives moderate rainfall, averaging around 82 mm for the month. Typically, you can expect about 8 days of rain this month.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. September generally stands out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Ottumwa, monthly averages in September

Min Temperature 12°C  

Max Temperature 25°C  

Chance of Rain 27%  

Precipitation 82 mm  

Rainy days 8 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.

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 Ottumwa.

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.