Weather By Day

September Weather In Galveston  
September Galveston Weather
Record High: 100°F
Normal High: 86°F
Normal Low: 76°F
Record Low: 54°F
Avg Monthly Rain: 5.76"
Rec 1 Day Rain: 6.92"

Galveston Weather In September

The highest recorded temperature for Galveston Texas for the past 68 years in September was 100 degrees Fahrenheit, on September 1, 2000, while the standard high temperature is 86. The lowest documented temperature for Galveston for the past 68 years in September was 54 on September 28, 2001, and the standard low recorded daily temperature is 76.

US National Weather Service historical Galveston September Weather data records that on September 3, 1984, the high temperature did not exceed 66 degrees Fahrenheit, the lowest high measured in Galveston in the past 68 years. NWS data also shows that on September 30, 1911, the lowest measured temperature on that day did not drop below 85 degrees, the highest low temperature measured in Galveston in the last 68 years.

National Weather Service data shows that the high temperature in Galveston on September First averages 87 degrees Fahrenheit and the high on the final day of September averages 81 degrees. The average daily low temperature in Galveston on September First is 77 degrees Fahrenheit and the average low on the last day of September is 71 degrees.

Galveston typically receives an average of 5.76 inches of precipitation during the month. The most precipitation measured in a single day, as indicated by September Galveston Weather data, was 6.92 inches on September 12, 1961.