Typical Weather in Dayton, OH in September
79° F Avg High
57° F Avg Low
5 Rainy Days
☀️ Temperature Summary
September is a popular time of year to visit, with an inviting climate characterized by warm temperatures. Highs in September are typically around 79°F, which is warmer than usual in Dayton. You can expect overnight lows near 57°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 82°F and 73°F.
September is a great time to visit Dayton, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In September you can expect close to a 17% chance of rain for any given day. It rains less than usual in September, with total rainfall for the month typically near 3 inches.
Rainfall Throughout the Year
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