Records for Portland Area, Oregon (PDXthr) on 09-30
Record Highs
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1: 88°F (1987)
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2: 87°F (1975)
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3: 86°F (2001)
Record Lows
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1: 35°F (1954)
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2: 36°F (1950)
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3: 39°F (2019)
Lowest Highs
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1: 63°F (2000)
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2: 61°F (1994)
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3: 60°F (1997)
Highest Lows
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1: 56°F (2007)
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2: 56°F (2002)
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3: 57°F (1946)
Highest September temperature:
105°F on 09-02-1988.
Lowest September temperature:
34°F on 09-17-1965.
Average temperature is 61°F
Average high is 70°F
Average low is 52.1°F
Temperature data from 1940 to 2022.
Record Precipitation
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1: 1.68" (2005)
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2: 0.77" (1944)
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3: 0.73" (2002)
Precipitation data from 1940 to 2022.