Juneau Weather In September
The record high temperature in Juneau for the last 66 years in September was 73 degrees Fahrenheit, on September 3, 1996, while the regular high temperature is 56. The lowest documented temperature for Juneau for the past 66 years in September was 23 most recently registered on September 26, 1972, and the normal low daily temperature is 44.
United States National Weather Service historical Juneau September Weather data shows that on September 30, 2000, the high temperature did not exceed 41 degrees Fahrenheit, the lowest high measured in Juneau in the past 66 years. Weather Service records also indicate that on September 13, 1979, the low temperature for the day was not measured below 56 degrees, the highest low measured in Juneau in the last 66 years.
National Weather Service records indicate that the high temperature in Juneau on September First averages 59 degrees and the high on the last day of the month averages 51 degrees. The low temperature in Juneau in September on the first day of the month averages 46 degrees and the low temperature on the last day of the month averages 41 degrees.
Juneau normally receives an average of 7.54 inches of rain during September. September Juneau Weather records indicated that on September 25, 1996 Juneau received 3.35 inches of precipitation, the most rain recorded in a single day in September.