973
CDUS46 KSGX 210929
CLISDM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
229 AM PDT SUN SEP 21 2025
...............................
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR SEPTEMBER 20 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 12:24 PM 99 2015 79 2 74
MINIMUM 61 11:16 PM 50 1999 60 1 58
AVERAGE 71 70 1 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.73 2016 0.00 0.00 0.10
MONTH TO DATE 0.31 0.10 0.21 0.10
SINCE JUL 1 0.47 0.15 0.32 0.10
SINCE OCT 1 4.57 10.15 -5.58 13.09
SINCE JAN 1 4.47 7.06 -2.59 11.09
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 0 2 -2 0
COOLING
YESTERDAY 6 5 1 1
MONTH TO DATE 159 123 36 188
SINCE SEP 1 159 123 36 188
SINCE JAN 1 670 590 80 749
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 62 12:00 PM
AVERAGE 81
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THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 93 2021
MINIMUM TEMPERATURE (F) 60 50 2007
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 6:36 AM PDT SUNSET 6:45 PM PDT
SEPTEMBER 22 2025.....SUNRISE 6:36 AM PDT SUNSET 6:44 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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