Get the monthly weather forecast for Cincinnati, OH, including daily high/low, historical averages, to help you plan ahead.

Cincinnati September Weather ; Average daily high, 78.7 °F ; Average daily low, 57.4 °F ; Average monthly precipitation, 3.1 inches ; Average monthly snow, none.

Cincinnati Weather in September, USA ; Temperature. 20°C ; High Temperature. 26°C ; Low Temperature. 14°C ; Sunshine Hours. 8 hours ; Rainfall Days. 9 days.

The weather in Cincinnati in September is pleasantly warm and humid but cool, with average highs of 82°F (28°C) and lows of 58°F (15°C).

The hot season lasts for 3.8 months, from May 24 to September 19, with an average daily high temperature above 77°F. The hottest month of the year in Cincinnati ...

A series of tables gives September data by year for temperature and precipitation. They begin with average maximum and minimum temperatures in degrees ...

September Weather Averages for Cincinnati ; High Temp, 26°C · 80°F ; Low Temp, 16°C · 60°F ; Avg Temp, 21°C · 69°F ; Sunshine Hours, 227 hours ; Rainfall, 79.80 mm ...

The average temperature in Cincinnati, Ohio in September is warm at 20.5 °C (68.9 °F). · Afternoons can be hot with average high temperatures reaching 27 °C ( ...

Cincinnati Temperatures: Averages by Month ; 86, 63, August ; 80, 57, September ; 68, 45, October ; 54, 32, November ...