Records for Seattle Tacoma Area, Washington (SEAthr) on 09-30
Record Highs
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1: 82°F (1992)
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2: 81°F (1987)
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3: 80°F (1975)
Record Lows
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1: 36°F (1950)
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2: 40°F (1954)
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3: 41°F (1948)
Lowest Highs
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1: 60°F (1994)
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2: 56°F (2018)
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3: 56°F (2003)
Highest Lows
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1: 54°F (2007)
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2: 56°F (1961)
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3: 57°F (2013)
Highest September temperature:
98°F on 09-02-1988.
Lowest September temperature:
35°F on 09-27-1972.
Average temperature is 58.2°F
Average high is 66.2°F
Average low is 50.3°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.65" (1953)
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2: 1.19" (2007)
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3: 0.73" (2013)
Precipitation data from 1945 to 2022.