591
CDUS46 KMTR 090835
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT WED SEP 09 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 92 2:57 PM 104 2022 82 10 82
MINIMUM 59 5:17 AM 42 1914 58 1 60
AVERAGE 76 70 6 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.22 1985 0.01 -0.01 0.00
MONTH TO DATE 0.06 0.01 0.05 0.00
SINCE OCT 1 12.79 13.42 -0.63 9.31
SINCE JAN 1 7.43 9.27 -1.84 5.67
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 2 6 -4 1
COOLING
YESTERDAY 11 5 6 6
MONTH TO DATE 36 40 -4 50
SINCE SEP 1 36 40 -4 50
SINCE JAN 1 560 483 77 399
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 12:00 AM
LOWEST 24 2:00 PM
AVERAGE 45
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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 2026.....SUNRISE 6:45 AM PDT SUNSET 7:24 PM PDT
SEPTEMBER 10 2026.....SUNRISE 6:46 AM PDT SUNSET 7:23 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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