Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 09-01
Record Highs
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1: 98°F (1980)
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2: 98°F (1962)
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3: 96°F (2010)
Record Lows
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1: 49°F (1976)
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2: 49°F (1970)
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3: 50°F (1992)
Lowest Highs
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1: 73°F (2000)
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2: 72°F (2018)
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3: 71°F (2014)
Highest Lows
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1: 65°F (2002)
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2: 67°F (2006)
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3: 69°F (2017)
Highest September temperature:
99°F on 09-02-1980.
Lowest September temperature:
30°F on 09-24-1974.
Average temperature is 73.4°F
Average high is 83.8°F
Average low is 62.9°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.76" (2006)
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2: 1.93" (2021)
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3: 1.19" (1971)
Precipitation data from 1960 to 2022.