The temperatures in Indiana in September are comfortable with low of 15°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Indiana during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Indiana in September 2024.
If you’re planning to visit Indiana in the near future, we highly recommend that you review the 14 day weather forecast for Indiana before you arrive.