612
CXUS56 KSGX 010940
CLMSDM

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
240 AM PDT WED OCT 01 2025

...................................

...THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            108   09/01/1955
 LOW              34   09/28/1945
HIGHEST           91   09/07         MM      MM      104
                       09/16
LOWEST            57   09/12         MM      MM       55
AVG. MAXIMUM    82.1               79.8     2.3     81.8
AVG. MINIMUM    62.7               60.8     1.9     62.4
MEAN            72.4               70.3     2.1     72.1
DAYS MAX >= 90     2                3.1    -1.1        5
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    29                                  30
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.86   2015
TOTALS          0.36               0.18    0.18     0.10
DAILY AVG.      0.01               0.01    0.00     0.00
DAYS >= .01        4                2.0     2.0        0
DAYS >= .10        2                0.3     1.7        0
DAYS >= .50        0                0.1    -0.1        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.31   09/17 TO 09/18               0.10  09/20 TO 09/20
 STORM TOTAL    0.20                                0.10
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  6      -6        0
 SINCE 7/1         0                  3      -3       MM
COOLING TOTAL    221                165      56      223
 SINCE 1/1       732                632     100       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          01/02
................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.9
RESULTANT WIND SPEED/DIRECTION   2/280
HIGHEST WIND SPEED/DIRECTION    15/270    DATE  09/22
                                15/250          09/27
                                15/260          09/30
HIGHEST GUST SPEED/DIRECTION    23/260    DATE  09/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      3
HAZE                     14

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$