Indiana weather in September (Pennsylvania, United States of America)

What kind of weather does September bring to Indiana? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

The weather in Indiana during September is usually perfect, offering high temperatures and moderate rainfall. Daytime temperatures are expected to be around 24°C, cooling off to about 12°C at night.

Precipitation

Indiana in September usually receives moderate rainfall, averaging around 98 mm for the month. Typically around 13 days days of rainfall are expected.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Indiana. September typically offers 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 Indiana climate page with graphs.

 

Indiana, monthly averages in September

Min Temperature 12°C  

Max Temperature 24°C  

Chance of Rain 43%  

Precipitation 98 mm  

Rainy days 13 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?

For visitors traveling to Indiana, 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.

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

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

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.