Phoenix, AZ weather in September 1990

Temperature for September 1990

In September 1990 the average high temperature in Phoenix, AZ was 97.4°F, and this was 1.5°F cooler than the average of 98.9°F. The hottest day in September 1990 was 11 September when the temperature reached 108.0°F. Overnight the average temperature in September is 71.4°F and in 1990 the average overnight temperature was 1.6°F warmer at 73.0°F.

Precipitation for September 1990

In September the average monthly rainfall in Phoenix, AZ is 0.41 inches with rain usually falling on 4 days. In September 1990 there was a total of 3.11 inches of rain, that fell on 9 days.