September 2009 Climatological Report
 

Temperature
Highest Maximum: 90°F - September 27
Lowest Minimum: 62°F - September 30
Average Maximum: 87°F - Normal 87°F
Average Minimum: 73°F - Normal 73°F
Mean: 80°F - Normal 80°F

Relative Humidity
Highest Observed: 97% - September 4, 5, 6, 12, 14, 21, 25
Lowest Observed: 44% - September 28
Average High Humidity: 95%
Average Low Humidity: 64%
Mean Relative Humidity: 82% - Normal 81%

Winds
Peak Wind Speed/Direction: 37 mph/ENE - September 10
Observed Monthly Average: 5 mph
Normal Monthly Average: 7 mph

Visibility/Cloud Ceiling
Lowest Visibility: 1/2 mile - September 4
Lowest Ceiling: 400 feet - September 4 and 27

Precipitation
Total for the Month: 2.85 inches
Normal for the Month: 6.11 inches
Precipitation Days Observed: 13
Precipitation Days Normally Expected: 12

Thunderstorms
Thunderstorm Days Observed: 8
Thunderstorm Days Normally Expected: 10

Fog
Fog Days Observed: 2
Fog Days Normally Expected: 4


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