Climatological Report (Monthly)
Issued by NWS
Issued by NWS
033
CXUS56 KMTR 010844
CLMOAK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT WED OCT 01 2025
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...THE OAKLAND AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 104 09/06/2020
09/06/2020
LOW 41 09/30/1950
HIGHEST 91 09/23 91 09/03
LOWEST 55 09/27 52 09/05
AVG. MAXIMUM 74.7 74.1 0.6 75.9
AVG. MINIMUM 59.8 55.5 4.3 57.1
MEAN 67.2 66.5
DAYS MAX >= 90 1 2
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.27 1959
MINIMUM 0.00 2024
TOTALS 0.03 0.10 -0.07 0.00
DAILY AVG. 0.00 0.00 -0.00 0.00
DAYS >= .01 2 0
DAYS >= .10 0 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.04 09/09 TO 09/09 0.00 08/31 TO 08/31
DEGREE DAYS
HEATING TOTAL 2 56 -54 13
SINCE 7/1 89 169 -80 MM
COOLING TOTAL 78 50 28 64
SINCE 1/1 126 155 -29 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.4
RESULTANT WIND SPEED/DIRECTION 7/270
HIGHEST WIND SPEED/DIRECTION 26/300 DATE 09/18
HIGHEST GUST SPEED/DIRECTION 38/310 DATE 09/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.52
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 0
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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