Humidity Levels in Ohio During September





The average humidity in September is listed below for places in Ohio. The tables give daily averages along with highest and lowest relative humidity levels.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold.

All the numbers here are averages for the years 1961 to 1990.

Average Humidity

In this table, the Daily number is the average of humidity readings taken every three hours throughout the day. Morning percentages are for 7 am and Afternoon measures are for 4 pm local standard time.

Average relative humidity (%) in September
Daily Place Morning Afternoon
74 Akron 87 57
73 Cincinnati 88 54
74 Cleveland 84 60
73 Columbus 87 54
72 Dayton 87 54
75 Mansfield 87 58
76 Toledo 91 56
77 Youngstown 89 59

Highest and Lowest Humidity

Below are the averages during September for maximum and minimum humidity levels in Ohio. The hours when this month's highest and lowest humidity readings usually occur are given in local standard time.

Daily high and low relative humidity (%) averages in September
High Time Place Low Time
87.2 7 am Akron 56.8 4 pm
87.8 7 am Cincinnati 53.7 4 pm
84.4 7 am Cleveland 60.3 4 pm
87.0 7 am Columbus 54.4 4 pm
87.0 7 am Dayton 53.6 4 pm
87.1 7 am Mansfield 58.1 4 pm
90.9 7 am Toledo 55.8 4 pm
89.0 7 am Youngstown 58.6 4 pm
Reference

World Data Center for Meteorology. Climate of the World.

Ohio Humidity
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