Records for Seattle Tacoma Area, Washington (SEAthr) on 09-17
Record Highs
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1: 85°F (1991)
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2: 82°F (2012)
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3: 80°F (1994)
Record Lows
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1: 41°F (1947)
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2: 42°F (1965)
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3: 45°F (1988)
Lowest Highs
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1: 59°F (2020)
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2: 59°F (1995)
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3: 58°F (2014)
Highest Lows
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1: 57°F (2001)
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2: 58°F (1978)
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3: 58°F (1960)
Highest September temperature:
98°F on 09-02-1988.
Lowest September temperature:
35°F on 09-27-1972.
Average temperature is 61.7°F
Average high is 70.5°F
Average low is 52.9°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.49" (2010)
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2: 1.26" (1969)
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3: 0.86" (1966)
Precipitation data from 1945 to 2022.