


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 ................................... ...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. $$ ================================================================ SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR SEPTEMBER 2025 SEPTEMBER 2025 MONTHLY STATISTICS AND RANKINGS ----------------------------------------------------------------- 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)