Records for Key West Area, Florida (EYWthr) on 09-20
Record Highs
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1: 95°F (2018)
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2: 93°F (1987)
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3: 93°F (1951)
Record Lows
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1: 70°F (1890)
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2: 71°F (1920)
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3: 71°F (1888)
Lowest Highs
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1: 85°F (2009)
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2: 84°F (2020)
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3: 84°F (2011)
Highest Lows
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1: 81°F (1984)
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2: 82°F (1875)
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3: 83°F (1963)
Highest September temperature:
95°F on 09-01-1956.
Lowest September temperature:
69°F on 09-02-1898.
Average temperature is 82.3°F
Average high is 88°F
Average low is 76.6°F
Temperature data from 1872 to 2022.
Record Precipitation
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1: 4.86" (1963)
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2: 2.60" (1875)
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3: 2.42" (1948)
Precipitation data from 1871 to 2022.