Washington, DC weather in September 1979

Temperature for September 1979

In September 1979 the average high temperature in Washington, DC was 80.6°F, and this was 0.1°F cooler than the average of 80.7°F. The hottest day in September 1979 was 1 September when the temperature reached 91.0°F. Overnight the average temperature in September is 62.3°F and in 1979 the average overnight temperature was 1.1°F warmer at 63.4°F.

Precipitation for September 1979

In September the average monthly rainfall in Washington, DC is 2.18 inches with rain usually falling on 9 days. In September 1979 there was a total of 6.81 inches of rain, that fell on 12 days.