Weather By Day

September Yakima Weather 
September Yakima Weather
Record High: 100°F
Normal High: 78°F
Normal Low: 42°F
Record Low: 24°F
Avg Monthly Rain: 0.39"
Rec 1 Day Rain: 1.36"

Yakima Weather In September

In the last 64 years the highest measured temperature in Yakima Washington for September was 100 degrees Fahrenheit, most recently measured on September 3, 1988, and the regular high is 78. In the last 64 years the highest reported temperature in Yakima for September was 24 most recently encountered on September 30, 1985, while the standard low daily temperature for the month is 42.

According to National Weather Service historical Yakima September Weather data, on September 18, 1983, the high temperature did not exceed 52 degrees Fahrenheit, the lowest high measured in Yakima in the past 64 years. NWS weather data additionally shows that on September 30, 2000, the lowest recorded temperature on that day did not drop below 63 degrees, the highest low measured in Yakima in the last 64 years.

National Weather Service data shows that the high temperature in Yakima on September First averages 82 degrees Fahrenheit and the high on the final day of September averages 74 degrees. The average recorded low temperature in Yakima on September First is 48 degrees Fahrenheit and the average low on the last day of September is 41 degrees.

Yakima receives an average of 0.39 inches of precipitation during September. September Yakima Weather records indicate that on September 17, 1986 Yakima received 1.36 inches of precipitation, the highest amount of rain recorded in a single day in September.