Knobnoster, MO Climate in September

Temperature for September

In Knobnoster, MO during September the average high temperature is 79.9°F. The hottest day on record was September 6, 1990 when the temperature hit 100.9°F.

Knobnoster, MO daily average and extreme temperature range for September

Low Temperature

During September the overnight temperature drops to an average of 59.0°F, with the lowest temperature of 32.9°F being recorded on September 23, 1995. In September it has never frozen overnight.

Precipitation for September

In September the average monthly rainfall in Knobnoster, MO is 2.75 inches with rain usually falling on between 9 and 10 days. 1944 was the driest September with only 0.00 inches of rain falling, and 1986 was the wettest September with 17.78 inches of rain. The wettest single day in September was 14 September 1998 when 4.86 inches of rain fell.

There are thunderstorms on between 4 and 5 days in September.