Temperature for September
In Midway, HI during September the average high temperature is 83.8°F. The hottest day on record was September 2, 2012 when the temperature hit 108.0°F.
Precipitation for September
In September the average monthly rainfall in Midway, HI is 2.17 inches with rain usually falling on between 12 and 13 days. 1946 was the driest September with only 0.00 inches of rain falling, and 1974 was the wettest September with 14.18 inches of rain. The wettest single day in September was 29 September 1974 when 7.09 inches of rain fell.
In September it usually snows on between 0 and 1 days. Tornados are reported on 0 and 1 days in September. There are thunderstorms on between 1 and 1 days in September.