150
CDUS46 KMTR 190830
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT FRI SEP 19 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 18 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 65 11:43 AM 94 1912 70 -5 69
MINIMUM 59 10:43 PM 49 1899 56 3 55
AVERAGE 62 63 -1 62
PRECIPITATION (IN)
YESTERDAY 0.00 2.01 1959 0.00 0.00 0.00
MONTH TO DATE 0.08 0.03 0.05 0.00
SINCE OCT 1 19.96 22.82 -2.86 25.76
SINCE JAN 1 9.76 14.52 -4.76 19.08
DEGREE DAYS
HEATING
YESTERDAY 3 3 0 3
MONTH TO DATE 19 56 -37 63
SINCE SEP 1 19 56 -37 63
SINCE JUL 1 264 326 -62 251
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 14 18 -4 6
SINCE SEP 1 14 18 -4 6
SINCE JAN 1 33 68 -35 34
...............................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 93 1919
MINIMUM TEMPERATURE (F) 56 49 1911
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 6:55 AM PDT SUNSET 7:11 PM PDT
SEPTEMBER 20 2025.....SUNRISE 6:56 AM PDT SUNSET 7:09 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page