Temperature for September 1970
In September 1970 the average high temperature in Barter Island, AK was 31.7°F, and this was 5.1°F cooler than the average of 36.8°F. The hottest day in September 1970 was 13 September when the temperature reached 48.0°F. Overnight the average temperature in September is 29.5°F and in 1970 the average overnight temperature was 5.0°F cooler at 24.5°F.