Austin Weather In September
The hottest September day in Austin for the past 69 years was 112 degrees Fahrenheit, most recently registered on September 1, 2000, while the standard high temperature is 90. In the last 69 years the highest reported temperature in Austin for September was 41 most recently encountered on September 26, 1942, while the normal low measured temperature is 69.
National Weather Service historical Austin September Weather data indicates that on September 27, 1943, the recorded high did not exceed 61 degrees Fahrenheit, the lowest high measured in Austin in the past 69 years. The Weather Service additionally shows that on September 4, 2000, the low for the day did not drop below 80 degrees, the highest low temperature in Austin in the last 69 years.
National Weather Service records indicate that the high temperature in Austin on September First averages 94 degrees and the high on the last day of the month averages 85 degrees. The daily low temperature in Austin on September First averages 73 degrees Fahrenheit and the low on the last day of September averages 62 degrees.
Austin normally receives an average of 2.91 inches of rain during September. September Austin Weather records indicate that on September 26, 1973 Austin received 4.71 inches of precipitation, the highest amount of rain recorded in a single day in September.