Honolulu Weather In September

The hottest day in Honolulu Hawaii in September for the past 36 years was 32 degrees Celsius, on September 25, 1995, and the average high is 32. The lowest measured temperature in Honolulu for the last 36 years in September was 12 most recently encountered on September 4, 1962, while the mean low daily temperature during the month is 23.

United States National Weather Service historical Honolulu September weather data indicates that on September 5, 1958, the measured high temperature did not exceed 22 degrees Celsius, the lowest high measured in Honolulu in the past 36 years. The Weather Service additionally shows that on September 30, 1995, the low for the day did not drop below 26 degrees, the highest low temperature in Honolulu in the last 36 years.

National Weather Service data shows that the high temperature in Honolulu on September First averages 28 degrees Celsius and the high on the final day of September averages 27 degrees. The average daily low temperature in Honolulu on September First is 21 degrees Celsius and the average low on the last day of September is 19 degrees.

Honolulu typically receives an average of 1.88 centimeters of rain during the month. September Honolulu Weather records show that on September 12, 1987 Honolulu received 20.04 centimeters of rain, the most rain measured in a single day in September.