September 2016 was warmer and wetter than normal.
The average high temperature was 55.7 degrees, this is 1.1
degrees warmer than the normal value of 54.6 degrees, and ranks as the 41st warmest of 111 years on record. The average low temperature was 36.7 degrees, this is 1.6 degrees warmer than the normal value of 35.1 degrees, and ranks as the 30th warmest of 111 years on record. The mean temperature for the month was 46.2 degrees, this 1.3 degrees warmer than the normal value of 44.9 degrees, and is the 37th warmest of of 111 years on record.
The warmest day of September was 70 degrees on the 3rd. The 30th was the coldest day of the month with a low of 26 degrees. The first below freezing temperature of the fall occurred on the 8th of the month ending a stretch of 125 days with temperatures above freezing (the 12th longest stretch on record).
2.08 inches of rain fell during the month making 2016 the 14th wettest September of 103 years on record. The average rainfall for the month of September is 1.10 inches. Over half of the rainfall during the month of September fell over a span of only two days (the 5th and 6th).
A trace of snow fell in the month of September. The first snowfall of the season at the airport occurred on the 27th of the month (6 days later than the normal for the first nowfall event). The normal snowfall for the month of September is 1.8 inches.
Looking forward to the month of October, the permanent snowpack is almost always established at some point during the month. The average daily temperature falls from 45 degrees on the 1st to 19 degrees on the 31st. The normal low temperature falls from 28 on the 1st to 4 on the 31st. The highest temperature ever recorded in the month of October in Fairbanks was 72 degrees (10/1/2003). The coldest temperature ever recorded in Fairbanks in the month of October was 28 degrees below zero (10/26/1935). Normal precipitation is 0.83 inches, much of it typically falls as snow (significant rainfall is rare after mid month). Normal snowfall for the month of October is 10.8 inches.
Available daylight decreases by over 6 minutes per day, from 11 hours 14 minutes on the 1st to 7 hours 53 minutes on the 31st.
The forecast for October from the Climate Prediction Center calls for above normal temperatures, and near normal precipitation.
Another sign of impending winter is the appearance of grouse. At this time of year, they apparently collect gravel for their gizzard from the road or driveway before it's frozen solid.