National Weather Service United States Department of Commerce

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

What do you think of when you think of September? The beginning of Autumn? Fall colors? Cooler temperatures? If you thought of the cooler temperatures, then the temperatures this month might come as a little bit of a shock to you. A large ridge pattern over the central United States has helped to bring in much warmer than normal temperatures to southern Wisconsin. However, a cold front moved through the morning of September 29th, bringing more seasonal temperatures to southern Wisconsin.
 


Below are the top 10 warmest Septembers on record for Milwaukee:

Milwaukee:

Rank Average Temp (°F) Year
1 69.6 1931
2 68.6 2005
3 68.5 1933
4 67.8 1908
5 67.6 2015
T6 67.5 1906,1939,1994
9 67.3 1897
T10 67.2 1891,1921

 

 

 

 

 

 

 

 

 


For September 2015, the average temperature in Milwaukee was 67.6 degrees F. This was the 5th warmest September on record. The month was 4.5 degrees above average.
 


Below are the top 10 warmest Septembers on record for Madison:

Madison:

Rank Average Temp (°F) Year
1 68.4 1931
2 67.9 1897
T3 67.2 1933,1895,1891
T6 67.1 2015, 1908
8 67.0 1881
T9 66.8 2005,1939

 

 

 

 

 

 

 



For September 2015, the average temperature at Madison was 67.7 degrees F. This was a tie for 6th warmest on record. The month was 6.1 degrees above average.

 

 

Across southern Wisconsin temperatures were 3-6 degrees above average. Precipitation was generally 1-3 inches above average. Madison was 2.86 inches above average and Milwaukee was 1.26 inches above average.

 


Schultz/Wood/MBK/SPM/Marquardt
NWS Milwaukee/Sullivan, WI