Records for El Cajon Area, California (ELJC1thr) on 09-20
Record Highs
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1: 105°F (2015)
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2: 102°F (1939)
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3: 102°F (1938)
Record Lows
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1: 40°F (1900)
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2: 43°F (1925)
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3: 44°F (1954)
Lowest Highs
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1: 72°F (2016)
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2: 70°F (2015)
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3: 70°F (1983)
Highest Lows
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1: 70°F (1929)
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2: 71°F (1988)
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3: 71°F (1968)
Highest September temperature:
114°F on 09-05-2020.
Lowest September temperature:
37°F on 09-18-1900.
Average temperature is 74.1°F
Average high is 86.6°F
Average low is 61.5°F
Temperature data from 1899 to 2022.
Record Precipitation
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1: 0.30" (2016)
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2: 0.05" (1922)
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3: 0.04" (1935)
Precipitation data from 1899 to 2022.