Records for Seattle Tacoma Area, Washington (SEAthr) on 09-23
Record Highs
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1: 84°F (1947)
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2: 83°F (1957)
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3: 82°F (1989)
Record Lows
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1: 40°F (1948)
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2: 41°F (1958)
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3: 42°F (1961)
Lowest Highs
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1: 63°F (2011)
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2: 58°F (2020)
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3: 58°F (2014)
Highest Lows
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1: 53°F (1972)
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2: 54°F (1948)
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3: 57°F (1958)
Highest September temperature:
98°F on 09-02-1988.
Lowest September temperature:
35°F on 09-27-1972.
Average temperature is 60.2°F
Average high is 68.6°F
Average low is 51.8°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.08" (2020)
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2: 0.72" (2014)
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3: 0.71" (1978)
Precipitation data from 1945 to 2022.