Barter Island, AK weather in September 2012

Temperature for September 2012

In September 2012 the average high temperature in Barter Island, AK was 43.3°F, and this was 6.5°F warmer than the average of 36.8°F. The hottest day in September 2012 was 18 September when the temperature reached 54.0°F. Overnight the average temperature in September is 29.5°F and in 2012 the average overnight temperature was 6.8°F warmer at 36.4°F.

Precipitation for September 2012

In September the average monthly rainfall in Barter Island, AK is 0.24 inches with rain usually falling on 9 days. In September 2012 there was a total of 0.85 inches of rain, that fell on 23 days.