Indiana weather by county

Indiana in September 2026

• 92 of 92 counties ran at least 1° warmer than usual in September 2026, and 0 ran at least 1° cooler.
• Warmest against its own records: Bartholomew County (1st-warmest September of 132). Even the least warm, LaPorte County, had its 18th-warmest.
• Wettest September against its records: Huntington County, 6.1 inches (6th-wettest).
• No county was in moderate drought or worse on NOAA's Palmer reading for September.
• Since 1970 the state's counties have warmed about 0.5° per decade on average, Bartholomew County the most at 0.6°.

This week's forecast against the usual, and every month since 1895, for all 92 counties in Indiana. 86 had a top-10 warm September in 2026.

• Adams County 9th warmest Sep
• Allen County 12th warmest Sep
• Bartholomew County 1st warmest Sep
• Benton County 2nd warmest Sep
• Blackford County 7th warmest Sep
• Boone County 2nd warmest Sep
• Brown County 2nd warmest Sep
• Carroll County 4th warmest Sep
• Cass County 4th warmest Sep
• Clark County 3rd warmest Sep
• Clay County 2nd warmest Sep
• Clinton County 2nd warmest Sep
• Crawford County 2nd warmest Sep
• Daviess County 1st warmest Sep
• Dearborn County 1st warmest Sep
• Decatur County 2nd warmest Sep
• DeKalb County 7th warmest Sep
• Delaware County 6th warmest Sep
• Dubois County 1st warmest Sep
• Elkhart County 11th warmest Sep
• Fayette County 2nd warmest Sep
• Floyd County 2nd warmest Sep
• Fountain County 2nd warmest Sep
• Franklin County 2nd warmest Sep
• Fulton County 5th warmest Sep
• Gibson County 1st warmest Sep
• Grant County 4th warmest Sep
• Greene County 2nd warmest Sep
• Hamilton County 2nd warmest Sep
• Hancock County 2nd warmest Sep
• Harrison County 2nd warmest Sep
• Hendricks County 2nd warmest Sep
• Henry County 3rd warmest Sep
• Howard County 3rd warmest Sep
• Huntington County 11th warmest Sep
• Jackson County 2nd warmest Sep
• Jasper County 1st warmest Sep
• Jay County 6th warmest Sep
• Jefferson County 1st warmest Sep
• Jennings County 2nd warmest Sep
• Johnson County 2nd warmest Sep
• Knox County 1st warmest Sep
• Kosciusko County 10th warmest Sep
• LaGrange County 7th warmest Sep
• Lake County 3rd warmest Sep
• LaPorte County 18th warmest Sep
• Lawrence County 1st warmest Sep
• Madison County 4th warmest Sep
• Marion County 2nd warmest Sep
• Marshall County 6th warmest Sep
• Martin County 1st warmest Sep
• Miami County 4th warmest Sep
• Monroe County 2nd warmest Sep
• Montgomery County 2nd warmest Sep
• Morgan County 2nd warmest Sep
• Newton County 1st warmest Sep
• Noble County 8th warmest Sep
• Ohio County 1st warmest Sep
• Orange County 1st warmest Sep
• Owen County 2nd warmest Sep
• Parke County 2nd warmest Sep
• Perry County 2nd warmest Sep
• Pike County 1st warmest Sep
• Porter County 6th warmest Sep
• Posey County 1st warmest Sep
• Pulaski County 3rd warmest Sep
• Putnam County 2nd warmest Sep
• Randolph County 5th warmest Sep
• Ripley County 1st warmest Sep
• Rush County 2nd warmest Sep
• Scott County 2nd warmest Sep
• Shelby County 2nd warmest Sep
• Spencer County 2nd warmest Sep
• St. Joseph County 12th warmest Sep
• Starke County 7th warmest Sep
• Steuben County 6th warmest Sep
• Sullivan County 1st warmest Sep
• Switzerland County 1st warmest Sep
• Tippecanoe County 3rd warmest Sep
• Tipton County 3rd warmest Sep
• Union County 2nd warmest Sep
• Vanderburgh County 1st warmest Sep
• Vermillion County 1st warmest Sep
• Vigo County 1st warmest Sep
• Wabash County 8th warmest Sep
• Warren County 2nd warmest Sep
• Warrick County 2nd warmest Sep
• Washington County 1st warmest Sep
• Wayne County 2nd warmest Sep
• Wells County 8th warmest Sep
• White County 2nd warmest Sep
• Whitley County 12th warmest Sep

Other states

• Alabama
• Alaska
• Arizona
• Arkansas
• California
• Colorado
• Connecticut
• Delaware
• Florida
• Georgia
• Hawaii
• Idaho
• Illinois
• Iowa
• Kansas
• Kentucky
• Louisiana
• Maine
• Maryland
• Massachusetts
• Michigan
• Minnesota
• Mississippi
• Missouri
• Montana
• Nebraska
• Nevada
• New Hampshire
• New Jersey
• New Mexico
• New York
• North Carolina
• North Dakota
• Ohio
• Oklahoma
• Oregon
• Pennsylvania
• Rhode Island
• South Carolina
• South Dakota
• Tennessee
• Texas
• Utah
• Vermont
• Virginia
• Washington
• West Virginia
• Wisconsin
• Wyoming