Climatological Report (Monthly)
Issued by NWS
Issued by NWS
787
CXUS56 KSGX 020927
CLMSAN
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
227 AM PDT FRI OCT 02 2026
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...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1874 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 111 09/26/1963
LOW 50 09/26/1907
09/19/1882
09/18/1882
HIGHEST 95 09/06 77 18 83 09/17
09/07
LOWEST 63 09/03 66 -3 64 09/30
09/29
AVG. MAXIMUM 80.4 77.2 3.2 77.0
AVG. MINIMUM 69.2 66.2 3.0 67.1
MEAN 74.8 71.7 3.1 72.1
DAYS MAX >= 90 4 0.9 3.1 0
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 2.58 1939
MINIMUM 0.00 2020
TOTALS 0.02 0.12 -0.10 0.46
DAILY AVG. 0.00 0.00 -0.00 0.02
DAYS >= .01 1 0.9 0.1 3
DAYS >= .10 0 0.2 -0.2 2
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 0.02 09/27 TO 09/27 0.45 09/17 TO 09/18
STORM TOTAL 0.02 0.23
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 1 -1 MM
COOLING TOTAL 301 201 100 220
SINCE 1/1 1105 761 344 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST MM
LATEST MM
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WIND (MPH)
AVERAGE WIND SPEED 5.8
RESULTANT WIND SPEED/DIRECTION 3/280
HIGHEST WIND SPEED/DIRECTION 18/010 DATE 09/08
18/280 09/22
HIGHEST GUST SPEED/DIRECTION 34/220 DATE 09/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.57
NUMBER OF DAYS FAIR 3
NUMBER OF DAYS PC 23
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 2 FOG W/VIS <= 1/4 MILE 0
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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