The weather in Little Rock in September is hot. The average temperatures are between 18°C and 30°C. Usually the days in September are hot while the nights are a bit cooler.
You can expect about 3 to 8 days of rain in Little Rock 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 Little Rock in September 2025.
If you’re planning to visit Little Rock in the near future, we highly recommend that you review the 14 day weather forecast for Little Rock before you arrive.