Records for San Jose Area, California (SJCthr) on 09-17
Record Highs
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1: 102°F (1913)
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2: 98°F (1935)
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3: 94°F (2000)
Record Lows
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1: 40°F (1895)
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2: 42°F (1911)
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3: 42°F (1910)
Lowest Highs
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1: 65°F (2020)
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2: 65°F (1984)
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3: 64°F (2010)
Highest Lows
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1: 65°F (1921)
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2: 66°F (1989)
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3: 67°F (1993)
Highest September temperature:
109°F on 09-06-2022.
Lowest September temperature:
35°F on 09-23-1903.
Average temperature is 69.8°F
Average high is 81.5°F
Average low is 58.2°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.34" (1986)
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2: 0.13" (1921)
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3: 0.11" (1950)
Precipitation data from 1893 to 2022.