National Weather Service United States Department of Commerce

Snow in the Rockies; Showers and Thunderstorms Along the Gulf Coast; Potential Winter Storm for Northern Mid-Atlantic and Interior New England

A winter-like pattern will continue over much of the Lower 48 over the next few days, with snow stretching from the Rockies today into the Middle Mississippi Valley on Monday. Showers and thunderstorms will develop along the Gulf Coast and Southeast on Monday. As the storm moves northward late Monday into Tuesday, winter weather is possible from the Central Appalachians to Interior New England. Read More >

Climate/Almanac Data     -      Sep Normals     -     Sep Records
 
SEPTEMBER
 

 Site (Click site name for report)

Avg
Temp
Norm Dept
From
Norm
Precip
Total
Norm Dept
From
Norm
  Burlington 66.9° 67.4° -0.5° 4.14" 3.52" +0.62"
  Cedar Rapids 61.3° 62.8° -1.5° 5.58" 3.16" +2.42"
  Davenport 63.3° 63.3°  0.0° 8.72" 3.06" +5.66"
  Dubuque 60.3° 62.0° -1.7° 8.24" 3.46" +4.78"
  Iowa City 62.8° 64.2° -1.4° 6.30" 3.39" +2.91"
  Moline 64.6° 65.4° -0.8° 6.52" 3.09" +3.43"
The ranking is listed in parentheses (__) when within the "Top 10".
 
September 2020 was about normal to 2 degrees below normal.
Precipitation totals were mainly about 2.5 to 5.5 inches above normal, except at Burlington where it was 0.62" above normal.
Please see Sep Records for monthly record information.
 
 
The climate maps below are courtesy of the Midwest Regional Climate Center.
These maps become available around 10am on the first of the month.
       
Average
Temperature
Average
Temperature
Departure from Mean
Accumulated
Precipitation
Accumulated
Precipitation
Percent of Mean
NA NA NA NA
 
 
 
A LOOK AHEAD
 
Climate Prediction Center
 
October
Temperature Outlook
October
Precipitation Outlook
October - December
Temperature Outlook
October - December
Precipitation Outlook
NA NA NA NA