Temperature in Indiana in September

Daytime highs, nighttime lows and the warmest cities in Indiana, the United States of America this September.

Indiana, the United States of America, a region in the United States of America, experiences high average maximum daytime temperatures in September, ranging from 23°C (73°F) in Michigan City to 28°C (82°F) in Evansville. Nighttime temperatures generally drop to 16°C (61°F) in Evansville and 13°C (55°F) in Michigan City.

What is the temperature of the different cities in Indiana, the United States of America in September?

Curious about the September temperatures in the prime spots of Indiana? Navigate the map below and tap on a destination dot for more detailed stats.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Indiana, check out our Indiana's climate page.

See also: Indiana weather by month.

Best Places to Visit in Indiana in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Indiana.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Indiana

Indiana temperatures in September: frequently asked questions

How hot does it get in Indiana, the United States of America in September?

Average daytime highs in Indiana, the United States of America during September reach about 26°C (79°F) in Indianapolis.

How cold does it get at night in Indiana, the United States of America in September?

Average overnight lows in Indiana, the United States of America during September sit near 14°C (57°F) in Indianapolis.

What is the warmest city in September in Indiana, the United States of America?

According to our recent database analysis, Evansville is the warmest city. It experiences an average maximum daytime temperature of approximately 28°C (82°F) and rarely drops below 16°C (61°F) during the night.

What is the coldest city in September in Indiana, the United States of America?

According to our data, Michigan City holds the title for the coldest city in Indiana, the United States of America in September. It experiences maximum temperatures of approximately 23°C (73°F) and drops to lows of about 13°C (55°F) during the night.

How much sun does Indiana, the United States of America get in September?

Indianapolis enjoys close to 235 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.

Interested in more climate information?

We have much more information about the climate in Indiana.

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