Weather By Day

September Weather In Houston  
September Houston Weather
Record High: 108°F
Normal High: 89°F
Normal Low: 68°F
Record Low: 50°F
Avg Monthly Rain: 4.33"
Rec 1 Day Rain: 8.83"

Houston Weather In September

The highest recorded temperature for Houston for the past 41 years in September was 108 degrees Fahrenheit, registered on September 5, 2000, while the mean high temperature is 89. The record low September temperature in Houston for the last 41 years was 50 most recently measured on September 28, 1967, and the regular low is 68.

US National Weather Service Houston September Weather data records that on September 26, 1965, the high temperature did not exceed 66 degrees Fahrenheit, the lowest high measured in Houston in the past 41 years. NWS weather data additionally shows that on September 11, 1989, the lowest recorded temperature on that day did not drop below 82 degrees, the highest low measured in Houston in the last 41 years.

Weather Service historical data shows that the average daily high temperature in Houston on September First is 91 degrees Fahrenheit and the average high on the last day of September is 85 degrees. The low measured temperature in Houston on September First averages 74 degrees and the low on the last day of the month averages 64 degrees.

Houston usually receives an average of 4.33 inches of rain during the month. September Houston Weather records indicated that on September 19, 1979 Houston received 8.83 inches of precipitation, the most rain recorded in a single day in September.