847
CXUS56 KSGX 020927
CLMMYF

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
227 AM PDT FRI OCT 02 2026

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

...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            107   09/14/2012
                       09/27/2010
 LOW              52   09/30/2019
HIGHEST          103   09/09         MM      MM       90  09/16
LOWEST            59   09/03         MM      MM       61  09/29
AVG. MAXIMUM    83.1               81.4     1.7     80.4
AVG. MINIMUM    67.7               63.6     4.1     65.9
MEAN            75.4               72.5     2.9     73.2
DAYS MAX >= 90     6                4.1     1.9        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    30                                  30
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.08   2014
TOTALS          0.01               0.17   -0.16     0.28
DAILY AVG.      0.00               0.01   -0.01     0.01
DAYS >= .01        1                1.3    -0.3        3
DAYS >= .10        0                0.4    -0.4        1
DAYS >= .50        0                0.1    -0.1        0
DAYS >= 1.00       0                0.1    -0.1        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.01   09/27 TO 09/27               0.26  09/17 TO 09/18
 STORM TOTAL    0.01                                0.21
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  2      -2        0
 SINCE 7/1         0                  1      -1       MM
COOLING TOTAL    319                227      92      253
 SINCE 1/1      1247                873     374       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.6
RESULTANT WIND SPEED/DIRECTION   3/270
HIGHEST WIND SPEED/DIRECTION    26/330    DATE  09/08
HIGHEST GUST SPEED/DIRECTION    36/330    DATE  09/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.29
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

$$