Seattle, WA weather in September 1969

Temperature for September 1969

In September 1969 the average high temperature in Seattle, WA was 70.5°F, and this was 1.1°F cooler than the average of 71.5°F. The hottest day in September 1969 was 7 September when the temperature reached 85.3°F. Overnight the average temperature in September is 51.3°F and in 1969 the average overnight temperature was 1.8°F warmer at 53.1°F.

Precipitation for September 1969

In September the average monthly rainfall in Seattle, WA is 1.89 inches with rain usually falling on 10 days. In September 1969 there was a total of 5.54 inches of rain, that fell on 21 days.