Records for Seattle City Area, Washington (SEWthr) on 09-18
Record Highs
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1: 83°F (2012)
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2: 83°F (1991)
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3: 82°F (1952)
Record Lows
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1: 44°F (1947)
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2: 45°F (2018)
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3: 45°F (2002)
Lowest Highs
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1: 61°F (2010)
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2: 60°F (2014)
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3: 59°F (2020)
Highest Lows
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1: 54°F (1916)
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2: 57°F (1932)
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3: 57°F (1902)
Highest September temperature:
92°F on 09-14-1937.
Lowest September temperature:
36°F on 09-21-1895.
Average temperature is 61.9°F
Average high is 70.9°F
Average low is 52.9°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.82" (2010)
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2: 0.82" (1969)
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3: 0.80" (1983)
Precipitation data from 1894 to 2022.