Humidity Levels in Florida During September

The average humidity in September is listed below for places in Florida. 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. For all places except Pensacola, Morning percentages are for 7 am and Afternoon measures are for 4 pm local standard time. At Pensacola the humidity data are for 6 am and 3 pm.

Average relative humidity (%) in September
Daily Place Morning Afternoon
79 Daytona Beach 89 69
79 Fort Myers 92 65
81 Jacksonville 93 66
75 Key West 81 69
78 Miami 88 69
79 Orlando 91 65
75 Pensacola 87 62
78 Tallahassee 94 59
78 Tampa 91 63
78 West Palm Beach 87 69

Highest and Lowest Humidity

Below are the averages during September for maximum and minimum humidity levels in Florida. 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
88.8 4 am Daytona Beach 65.8 1 pm
92.0 7 am Fort Myers 61.1 1 pm
92.8 7 am Jacksonville 63.1 1 pm
80.7 7 am Key West 69.2 4 pm
87.8 4 am Miami 65.7 1 pm
91.6 4 am Orlando 60.5 1 pm
87.4 6 am Pensacola 61.4 12 noon
93.5 7 am Tallahassee 58.7 1 pm
90.8 7 am Tampa 61.5 1 pm
87.1 4 am West Palm Beach 65.6 1 pm
Reference

World Data Center for Meteorology. Climate of the World.

Florida Humidity
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