939  
CDUS43 KDLH 092136  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
436 PM CDT TUE SEP 09 2025  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR SEPTEMBER 9 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1870 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 66 2:59 PM 90 1931 70 -4 79  
1961  
MINIMUM 59 4:28 AM 33 1975 50 9 51  
AVERAGE 63 60 3 65  
 
PRECIPITATION (IN)  
TODAY 0.10 1.91 1929 0.12 -0.02 0.00  
MONTH TO DATE 1.89 1.07 0.82 0.08  
SINCE SEP 1 1.89 1.07 0.82 0.08  
SINCE JAN 1 17.17 22.43 -5.26 22.44  
 
SNOWFALL (IN)  
TODAY 0.0 T 1992 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 2 6 -4 0  
MONTH TO DATE 101 46 55 44  
SINCE SEP 1 101 46 55 44  
SINCE JUL 1 221 160 61 97  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 1 10 -9 5  
SINCE SEP 1 1 10 -9 5  
SINCE JAN 1 221 243 -22 243    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 84 3:00 PM  
AVERAGE 90  
   
......................................................
 
 
THE DULUTH CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 85 1908  
MINIMUM TEMPERATURE (F) 49 31 1917  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2025.....SUNRISE 6:39 AM CDT SUNSET 7:32 PM CDT  
SEPTEMBER 10 2025.....SUNRISE 6:40 AM CDT SUNSET 7:30 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MN Page
The Nexlab WI Page Main Text Page