Climatological Report (Monthly)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
901
CXUS53 KDTX 021438 RRA
CLMFNT
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1038 AM EDT THU OCT 02 2025
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...THE FLINT MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1921 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 97 09/03/1953
09/02/1953
09/01/1953
LOW 26 09/28/1991
HIGHEST 87 09/18 MM MM
LOWEST 36 09/07 MM MM
AVG. MAXIMUM 76.8 73.1 3.7
AVG. MINIMUM 49.5 50.4 -0.9
MEAN 63.2 61.7 1.5
DAYS MAX >= 90 0 0.9 -0.9
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.4 -0.4
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.86 1986
MINIMUM 0.29 2002
TOTALS 1.32 2.90 -1.58
DAILY AVG. 0.04 0.10 -0.06
DAYS >= .01 7 9.6 -2.6
DAYS >= .10 4 5.6 -1.6
DAYS >= .50 0 1.9 -1.9
DAYS >= 1.00 0 0.7 -0.7
GREATEST
24 HR. TOTAL 0.51 09/21 TO 09/22
SNOWFALL (INCHES)
RECORDS
TOTAL 0.0 0
TOTALS 0.0 0.0 0.0
LIQUID EQUIV 0.00 0.00 0.00
SINCE 7/1 0.0 0.0 0.0
LIQUID 7/1 0.00
DAYS >= TRACE 0 0.0 0.0
DAYS >= 1.0 0 0.0 0.0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
HEATING TOTAL 72 152 -80
SINCE 7/1 116 190 -74
COOLING TOTAL 24 55 -31
SINCE 1/1 678 559 119
FREEZE DATES
RECORD
EARLIEST 09/17 (2013)
LATEST 05/28 (2008)
EARLIEST 10/10 (2024)
LATEST 05/09 (2025)
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 4.9
HIGHEST WIND SPEED/DIRECTION 30/270 DATE 09/05
HIGHEST GUST SPEED/DIRECTION 47/250 DATE 09/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 3
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 18 FOG W/VIS <= 1/4 MILE 4
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
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SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR SEPTEMBER 2025
SEPTEMBER 2025 MONTHLY STATISTICS AND RANKINGS
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PRECIPITATION
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 1.87" 3.22" -1.35" 53RD DRIEST
FLINT AREA 1.32" 2.90" -1.58" 17TH DRIEST
SAGINAW AREA 2.44" 2.81" -0.37" 50TH DRIEST
PRECIPITATION SINCE JANUARY 1*
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 25.49" 26.97" -1.48" 65TH WETTEST
FLINT AREA 20.93" 25.04" -4.11" 33RD DRIEST
SAGINAW AREA 20.41" 25.08" -4.67" 35TH DRIEST
*NORMAL TO DATE (AS OF SEPTEMBER 30, 2025)
AVERAGE TEMPERATURE
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 67.1 64.9 +2.2 23RD WARMEST
FLINT AREA 63.2 61.7 +1.5 36TH WARMEST
SAGINAW AREA 64.1 62.5 +1.6 23RD WARMEST
AVERAGE HIGH TEMPERATURE
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 77.9 74.4 +3.5 10TH WARMEST
FLINT AREA 76.8 73.1 +3.7 15TH WARMEST
SAGINAW AREA 74.9 73.3 +1.6 23RD WARMEST
AVERAGE LOW TEMPERATURE
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 56.2 55.5 +0.7 54TH WARMEST
FLINT AREA 49.5 50.4 -0.9 33RD COOLEST
SAGINAW AREA 53.3 51.6 +1.7 23RD WARMEST
DETROIT AREA HAS A CLIMATE RECORD DATING TO NOVEMBER 1874 (~151 YEARS)
FLINT AREA HAS A CLIMATE RECORD DATING TO JANUARY 1921 (~105 YEARS)
SAGINAW AREA HAS CLIMATE RECORD DATING TO JANUARY 1912 (~114 YEARS)