Weather By Day

September Weather In Phoenix  
September Phoenix Weather
Record High: 116°F
Normal High: 99°F
Normal Low: 76°F
Record Low: 47°F
Avg Monthly Rain: 0.75"
Rec 1 Day Rain: 3.06"

Phoenix Weather In September

In the last 73 years the highest measured September temperature in Phoenix was 116 degrees Fahrenheit, most recently encountered on September 1, 1950, and the standard high is 99. The lowest reported temperature in September for Phoenix for the past 73 years was 47 most recently registered on September 21, 1965, and the average low daily temperature is 76.

United States NWS historical Phoenix September Weather data records that on September 23, 1895, the high temperature did not exceed 66 degrees Fahrenheit, the lowest high measured in Phoenix in the past 73 years. NWS data also shows that on September 12, 2003, the lowest measured temperature on that day did not drop below 95 degrees, the highest low temperature measured in Phoenix in the last 73 years.

National Weather Service data shows that the high temperature in Phoenix on September First averages 47 degrees Fahrenheit and the high on the final day of September averages 40 degrees. The average recorded low temperature in Phoenix on September First is 20 degrees Fahrenheit and the average low on the last day of September is 14 degrees.

Phoenix usually receives an average of 0.75 inches of rain during September. According to September Phoenix Weather records, the most rain measured in a single day in September was 3.06 inches on September 4, 1939.