Records for El Cajon Area, California (ELJC1thr) on 09-30
Record Highs
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1: 110°F (1906)
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2: 107°F (2020)
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3: 105°F (1980)
Record Lows
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1: 43°F (1945)
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2: 43°F (1925)
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3: 44°F (1922)
Lowest Highs
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1: 70°F (1904)
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2: 69°F (2010)
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3: 66°F (2016)
Highest Lows
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1: 63°F (1916)
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2: 68°F (1959)
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3: 70°F (1968)
Highest September temperature:
114°F on 09-05-2020.
Lowest September temperature:
37°F on 09-18-1900.
Average temperature is 71.8°F
Average high is 84.1°F
Average low is 59.5°F
Temperature data from 1899 to 2022.
Record Precipitation
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1: 0.96" (1921)
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2: 0.28" (2010)
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3: 0.22" (1916)
Precipitation data from 1899 to 2022.