Dayton Weather in September
In Dayton, September brings high daytime temperatures around 26°C (79°F), with nights cooling to 14°C (57°F). Expect quite a bit of rainfall this month.
Rainfall in Dayton in September
Historically, September sees about 10 days of rain, with a monthly average of 89 mm (3.5 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Dayton in September
The temperature in Dayton in September is perfect. Daytime highs reach 26°C (79°F), with nights dropping to 14°C (57°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Dayton in September
The city usually sees around 235 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and September typically offer the best weather for Dayton.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Dayton's climate page.
Dayton Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
33%
Precipitation
89 mm (3.5 in)
Rainy days
10 days
Humidity
72%
Sunshine
235 hours
Percentage Sunshine
64%
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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unpleasant
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What to Wear in Dayton in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Dayton in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Dayton's climate page.
Temperature Rainfall Sunshine Humidity
See the full Dayton climate overview or explore weather in the United States of America.
