Climatological Report (Monthly)
Issued by NWS
Issued by NWS
732
CXUS56 KSTO 011952
CLMMOD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO
1252 PM PDT THU OCT 01 2026
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...THE MODESTO CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1931 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 112 09/06/2022
LOW 40 09/26/1948
HIGHEST 105 09/10 MM MM
LOWEST 52 09/17 MM MM
AVG. MAXIMUM 87.6
AVG. MINIMUM 59.0
MEAN 73.3
DAYS MAX >= 90 10 15.0 -5.0
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.0 0.0
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 0.20 2025
MINIMUM 0.00 2024
TOTALS T 0.06 -0.06 0.20
DAYS >= .01 0
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
DEGREE DAYS
HEATING TOTAL 0 4 -4
SINCE 7/1 0 0 0
COOLING TOTAL 255 269 -14
SINCE 1/1 1747 1546 201
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WIND (MPH)
AVERAGE WIND SPEED 6.8
HIGHEST WIND SPEED/DIRECTION 23/320 DATE 09/01
23/310 09/10
23/320 09/12
HIGHEST GUST SPEED/DIRECTION 31/330 DATE 09/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.04
NUMBER OF DAYS FAIR 28
NUMBER OF DAYS PC 2
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 50
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM MM MIXED PRECIP MM
HEAVY RAIN MM RAIN MM
LIGHT RAIN 1 FREEZING RAIN MM
LT FREEZING RAIN MM HAIL MM
HEAVY SNOW MM SNOW MM
LIGHT SNOW MM SLEET MM
FOG 1 FOG W/VIS <= 1/4 MILE MM
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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