Records for El Cajon Area, California (ELJC1thr) on 09-17
Record Highs
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1: 111°F (1922)
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2: 108°F (1913)
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3: 102°F (2020)
Record Lows
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1: 42°F (1907)
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2: 45°F (1954)
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3: 45°F (1908)
Lowest Highs
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1: 77°F (2014)
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2: 72°F (1929)
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3: 71°F (1984)
Highest Lows
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1: 69°F (1947)
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2: 71°F (1965)
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3: 73°F (1993)
Highest September temperature:
114°F on 09-05-2020.
Lowest September temperature:
37°F on 09-18-1900.
Average temperature is 74.7°F
Average high is 87.3°F
Average low is 62°F
Temperature data from 1899 to 2022.
Record Precipitation
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1: 0.40" (1963)
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2: 0.38" (1929)
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3: 0.15" (1965)
Precipitation data from 1899 to 2022.