Weather By Day

September Weather In Olympia  
September Olympia Weather
Record High: 98°F
Normal High: 72°F
Normal Low: 45°F
Record Low: 25°F
Avg Monthly Rain: 2.03"
Rec 1 Day Rain: 1.51"

Olympia Weather In September

The highest recorded temperature in September for Olympia Washington for the past 69 years was 98 degrees Fahrenheit, registered on September 2, 1988, while the typical high temperature is 72. The lowest documented temperature for Olympia for the past 69 years in September was 25 most recently registered on September 26, 1972, while the typical low recorded temperature is 45.

US National Weather Service Olympia September Weather data records that on September 24, 1988, the high temperature did not exceed 50 degrees Fahrenheit, the lowest high measured in Olympia in the past 69 years. Weather Service records additionally show that on September 4, 1974, the recorded low temperature for the day did not drop below 61 degrees, the highest low measured in Olympia in the last 69 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Olympia on September First is 75 degrees Fahrenheit and the average high on the last day of September is 68 degrees. The average recorded low temperature in Olympia on September First is 48 degrees Fahrenheit and the average low on the last day of September is 43 degrees.

Olympia usually receives an average of 2.03 inches of precipitation during the month. The most rain recorded in a single day, as shown by September Olympia Weather data, was 1.51 inches on September 21, 1972.