382
CDUS46 KMTR 090829
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT TUE SEP 09 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 2:53 PM 104 2022 82 0 90
MINIMUM 60 4:11 AM 42 1914 58 2 60
AVERAGE 71 70 1 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.22 1985 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE OCT 1 9.31 13.42 -4.11 17.06
SINCE JAN 1 5.67 9.27 -3.60 13.63
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 1 6 -5 0
COOLING
YESTERDAY 6 5 1 10
MONTH TO DATE 50 40 10 78
SINCE SEP 1 50 40 10 78
SINCE JAN 1 399 483 -84 888
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 2:00 AM
LOWEST 47 2:00 PM
AVERAGE 67
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 106 1944
MINIMUM TEMPERATURE (F) 58 43 1928
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 6:45 AM PDT SUNSET 7:24 PM PDT
SEPTEMBER 10 2025.....SUNRISE 6:46 AM PDT SUNSET 7:22 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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