Records for Seattle City Area, Washington (SEWthr) on 09-17
Record Highs
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1: 81°F (2012)
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2: 79°F (1994)
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3: 79°F (1967)
Record Lows
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1: 44°F (1965)
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2: 45°F (1908)
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3: 45°F (1902)
Lowest Highs
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1: 61°F (2010)
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2: 60°F (2014)
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3: 60°F (1995)
Highest Lows
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1: 57°F (1926)
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2: 58°F (1978)
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3: 58°F (1960)
Highest September temperature:
92°F on 09-14-1937.
Lowest September temperature:
36°F on 09-21-1895.
Average temperature is 62.1°F
Average high is 71.2°F
Average low is 53.1°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 1.18" (1964)
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2: 0.97" (1969)
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3: 0.62" (1970)
Precipitation data from 1894 to 2022.