Weather By Day

September Weather In Williston  
September Williston Weather
Record High: 104°F
Normal High: 70°F
Normal Low: 42°F
Record Low: 15°F
Avg Monthly Rain: 1.35"
Rec 1 Day Rain: 1.6"
Avg Monthly Snow: 0.3"
Rec 1 Day Snow: 3"

Williston Weather In September

The record high temperature in Williston for the last 49 years in September was 104 degrees Fahrenheit, measured on September 1, 1983, and the typical high is 70. The lowest documented temperature for Williston for the past 49 years in September was 15 most recently encountered on September 30, 2003, while the normal low measured temperature is 42.

United States NWS historical Williston September Weather data records that on September 9, 1984, the high temperature did not exceed 35 degrees Fahrenheit, the lowest high measured in Williston in the past 49 years. Weather Service records additionally show that on September 20, 1960, the recorded low temperature for the day did not drop below 72 degrees, the highest low measured in Williston in the last 49 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Williston on September First is 79 degrees Fahrenheit and the average high on the last day of September is 66 degrees. The low measured temperature in Williston on September First averages 50 degrees and the low on the last day of the month averages 38 degrees.

Williston usually receives an average of 1.35 inches of precipitation during September. According to September Williston Weather records, the most rain measured in a single day in September was 1.6 inches on September 3, 1973. Williston averages 0.3 inches of snow in September. The highest snowfall on a single day in September was 3 inches on September 25, 1972.