Records for Seattle Tacoma Area, Washington (SEAthr) on 09-15
Record Highs
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1: 93°F (1967)
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2: 89°F (1981)
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3: 87°F (2014)
Record Lows
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1: 42°F (1952)
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2: 43°F (1969)
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3: 45°F (1970)
Lowest Highs
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1: 61°F (2020)
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2: 60°F (1994)
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3: 59°F (2009)
Highest Lows
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1: 57°F (1956)
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2: 57°F (1955)
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3: 58°F (1999)
Highest September temperature:
98°F on 09-02-1988.
Lowest September temperature:
35°F on 09-27-1972.
Average temperature is 62.1°F
Average high is 71.1°F
Average low is 53.2°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.69" (1959)
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2: 0.51" (1946)
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3: 0.48" (1997)
Precipitation data from 1945 to 2022.