September 2018 Climate Summary for Duluth, Minnesota
Average temperature: 59.1 degrees
Normal: 55.6 degrees
Departure: +3.5 degrees above normal
Warmest temperature: 81 degrees on the 13th and 11th
Coldest temperature: 30 degrees on the 29th
5 days with a high temperature of at least 80 degrees (Average is 2 days) Record is 10 days set in September 1908.
16 days with a high temperature of at least 70 degrees (Average is 9 days) Record is 20 days set in September 2009.
1 day with a low temperature of 32 degrees or lower (Average is 1 day) Record is 7 days set in September 1974.
Total precipitation: 3.51 inches
Normal: 4.11 inches
Departure: -0.60 inches
Greatest calendar precipitation total: 1.74 inches on the 15th
Number of days with at least 0.01″ of precipitation: 11
Number of days with at least 0.10″ of precipitation: 6
Number of days with at least 0.50″ of precipitation: 2
Number of days with at least 1.00″ of precipitation: 1
Total snowfall: Trace
Normal: 0.1 inch
Departure: -0.1 inch
3 days with thunder
Source: https://mrcc.illinois.edu/
September 2018 Average Temperature Departure from Mean
Source: https://mrcc.illinois.edu/
September 2018 Total Precipitation
Source: https://mrcc.illinois.edu/
September 2018 Total Precipitation Percent of Mean
Northland Climate Summaries for September 2018
International Falls, Minnesota
Average temperature: 53.8 degrees
Departure: +0.2 degrees above normal
Total precipitation: 3.66 inches
Departure: +0.67 inches above normal
***5 days with thunder***
Brainerd, Minnesota
Average temperature: 59.3 degrees
Departure: +1.2 degrees above normal
Total precipitation: 2.59 inches
Departure: -0.59 inches below normal
***4 days with thunder***
Hibbing, Minnesota
Average temperature: 53.7 degrees
Departure: +0.6 degrees above normal
Total precipitation: 3.35 inches
Departure: +0.28 inches above normal
***5 days with thunder***
Ashland, Wisconsin
Average temperature: 58.9 degrees
Departure: +2.2 degrees above normal
Total precipitation: 4.26 inches
Departure: +0.41 inches above normal
***4 days with thunder***
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