Key West, FL weather in September 1978

Temperature for September 1978

In September 1978 the average high temperature in Key West, FL was 89.5°F, and this was 1.0°F warmer than the average of 88.6°F. The hottest day in September 1978 was 22 September when the temperature reached 91.0°F. Overnight the average temperature in September is 78.1°F and in 1978 the average overnight temperature was 0.2°F warmer at 78.3°F.

Precipitation for September 1978

In September the average monthly rainfall in Key West, FL is 6.17 inches with rain usually falling on 15 days. In September 1978 there was a total of 3.02 inches of rain, that fell on 13 days.