Alaska Climate Research Center

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Ketchikan September 2017


Mean monthly temperature was 55.5°F, which was 3.0°F above normal.

The observed maximum temperature was 80.0°F on the 5th of the month, the minimum temperature was 39.0°F on the 18th of the month.

The total monthly precipitation was 11.3", which was 2.4" below normal.

Note: Normal values refer to the period 1981 to 2010.