Records for Guam Area, Guam (GUMthr) on 09-30
Record Highs
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1: 93°F (1981)
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2: 91°F (1992)
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3: 91°F (1987)
Record Lows
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1: 72°F (2019)
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2: 72°F (1949)
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3: 73°F (1980)
Lowest Highs
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1: 80°F (2003)
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2: 80°F (1983)
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3: 80°F (1977)
Highest Lows
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1: 79°F (1965)
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2: 81°F (1980)
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3: 82°F (1949)
Highest September temperature:
94°F on 09-06-2016.
Lowest September temperature:
70°F on 09-03-1992.
Average temperature is 81.5°F
Average high is 87°F
Average low is 76°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 3.31" (1962)
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2: 2.70" (1980)
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3: 2.15" (2009)
Precipitation data from 1945 to 2022.