Records for El Cajon Area, California (ELJC1thr) on 09-21
Record Highs
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1: 105°F (1939)
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2: 104°F (1905)
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3: 101°F (2021)
Record Lows
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1: 41°F (1925)
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2: 42°F (1907)
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3: 42°F (1900)
Lowest Highs
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1: 72°F (1939)
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2: 71°F (2016)
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3: 70°F (2015)
Highest Lows
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1: 68°F (1961)
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2: 72°F (2017)
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3: 75°F (1973)
Highest September temperature:
114°F on 09-05-2020.
Lowest September temperature:
37°F on 09-18-1900.
Average temperature is 73.9°F
Average high is 86.4°F
Average low is 61.3°F
Temperature data from 1899 to 2022.
Record Precipitation
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1: 0.24" (1939)
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2: 0.19" (2016)
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3: 0.18" (1987)
Precipitation data from 1899 to 2022.