Seattle, WA weather in September 2003

Temperature for September 2003

In September 2003 the average high temperature in Seattle, WA was 73.8°F, and this was 2.2°F warmer than the average of 71.5°F. The hottest day in September 2003 was 4 September when the temperature reached 88.0°F. Overnight the average temperature in September is 51.3°F and in 2003 the average overnight temperature was 1.0°F warmer at 52.4°F.

Precipitation for September 2003

In September the average monthly rainfall in Seattle, WA is 1.89 inches with rain usually falling on 10 days. In September 2003 there was a total of 0.41 inches of rain, that fell on 10 days.