Seattle, WA weather in September 1974

Temperature for September 1974

In September 1974 the average high temperature in Seattle, WA was 78.0°F, and this was 6.4°F warmer than the average of 71.5°F. The hottest day in September 1974 was 3 September when the temperature reached 91.0°F. Overnight the average temperature in September is 51.3°F and in 1974 the average overnight temperature was 0.3°F warmer at 51.6°F.

Precipitation for September 1974

In September the average monthly rainfall in Seattle, WA is 1.89 inches with rain usually falling on 10 days. In September 1974 there was a total of 0.21 inches of rain, that fell on 7 days.