Washington, United States Climate Records

Warmest September Days

The warmest September days in Washington are:

Grant County Airport, Washington1988109°F
Walla Walla, Washington1987102.9°F
Grant County Airport, Washington1987102.9°F
Walla Walla, Washington1998102.2°F
Walla Walla, Washington1950102°F

Coldest September Days

The coldest September days in Washington were:

Spokane, Washington200021.9°F
Spokane, Washington198324.1°F
Spokane, Washington198524.1°F
Yakima, Washington198524.1°F
Yakima, Washington200025°F

Wettest September Days

The wettest single days in September occurred:

Seattle, Washington197812.1 inches
Seattle, Washington19531.9 inches
Seattle, Washington20101.8 inches
Walla Walla, Washington20031.7 inches
Seattle, Washington19531.7 inches