Records for Wilmington Area, Delaware (ILGthr) on 09-15
Record Highs
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1: 91°F (1993)
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2: 91°F (1927)
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3: 90°F (1970)
Record Lows
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1: 43°F (1895)
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2: 44°F (2013)
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3: 44°F (1975)
Lowest Highs
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1: 73°F (2005)
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2: 71°F (2002)
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3: 71°F (1931)
Highest Lows
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1: 59°F (1963)
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2: 61°F (1933)
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3: 65°F (1954)
Highest September temperature:
100°F on 09-02-1953.
Lowest September temperature:
32°F on 09-27-1940.
Average temperature is 67.2°F
Average high is 75.4°F
Average low is 59°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 2.60" (1904)
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2: 1.27" (2003)
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3: 1.21" (1916)
Precipitation data from 1894 to 2022.