Records for Seattle City Area, Washington (SEWthr) on 09-23
Record Highs
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1: 85°F (1940)
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2: 84°F (1995)
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3: 83°F (2009)
Record Lows
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1: 41°F (1926)
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2: 43°F (2000)
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3: 43°F (1908)
Lowest Highs
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1: 62°F (2011)
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2: 60°F (1966)
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3: 59°F (2020)
Highest Lows
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1: 50°F (1933)
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2: 54°F (1926)
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3: 54°F (1920)
Highest September temperature:
92°F on 09-14-1937.
Lowest September temperature:
36°F on 09-21-1895.
Average temperature is 60.5°F
Average high is 69.2°F
Average low is 51.9°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 1.22" (1933)
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2: 0.89" (2020)
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3: 0.73" (1969)
Precipitation data from 1894 to 2022.