Indianapolis weather in September
Warm and pleasant, with occasional showers. Average highs of 26°C and lows of 16°C, with around 7 rainy days expected throughout the month.
✦ This is a recommended month to visit Indianapolis. The combination of weather, atmosphere and experience is at its best.
Average high
26°C
Average low
16°C
Rainy days
7 days
Best months to visit
June, August, September
What to do in Indianapolis in September
Whatever the weather, Indianapolis rewards curious visitors. Here are some of the best ways to spend your time:
Tour the Indianapolis Motor Speedway and Hall of Fame
Attend the Indy 500 race on Memorial Day weekend
Walk the downtown Canal Walk with cultural museums
Visit the Indianapolis Museum of Art's free collection
Explore the Children's Museum of Indianapolis
Experience the Soldiers & Sailors Monument and Monument Circle
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
3C
Cold, with some rainy days.
February
5C
Cold, with occasional showers.
March
11C
Cool, with some rainy days.
April
17C
Cool, with some rainy days.
May
23C
Mild and comfortable, with some rainy days.
Recommended
June
28C
Warm and pleasant, with some rainy days.
July
29C
Warm and pleasant, with some rainy days.
Recommended
August
28C
Warm and pleasant, with some rainy days.
Recommended
September (you are here)
26C
Warm and pleasant, with occasional showers.
October
19C
Mild and comfortable, with some rainy days.
November
10C
Cool, with occasional showers.
December
6C
Cold, with occasional showers.
Book your September trip to Indianapolis
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