Indiana weather in September
Thinking about venturing to Indiana this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:
What is the weather like in Indiana in September?
Indiana is a region in the United States of America. September in Indiana generally has warm temperatures, with precipitation levels ranging from moderate to high.
The average maximum temperatures are warm and range from 23°C in Michigan City to 28°C in Evansville. Nighttime temperatures generally drop to 16°C in Evansville and 13°C in Michigan City.
In September, precipitation varies across different areas. From moderate rainfall in Crawfordsville with an average of 72 mm to high rainfall in Dale with 125 mm. Meanwhile, Indianapolis enjoys close to 235 hours of sunlight. This means it's a great month if you prefer bright and sunny days.
For specific regional insights in Indiana for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Indiana climate page.
Where to go in Indiana in September
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Popular destinations in Indiana
What is the weather like in September for the 5 most popular destinations in Indiana?
Average weather in Indianapolis
In September Indianapolis generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Merrillville
In September Merrillville generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 13°C and high monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Michigan City
In September Michigan City generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 13°C and high monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Hammond
In September Hammond generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Portage
In September Portage generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 13°C and high monthly rainfall. So on average the conditions are pleasant that month.
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Is your destination not in the list? Have a look at other destinations in Indiana, in the United States of America.
Is September the best time to visit Indiana?
We believe that September is one of the best times to visit Indiana with overall perfect weather in Indianapolis. It's worth noting that weather conditions might differ depending on the location you visit.
Generally speaking, August and September provide perfect weather in Indianapolis. The weather in January, February and December, on the other hand, tends to be poor.
Interested in more climate information?
We have much more information about the climate in Indiana.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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 climate conditions. Find out where to go with our weather planner.