Wisconsin weather by county

Wisconsin in September 2026

• 72 of 72 counties ran at least 1° warmer than usual in September 2026, and 0 ran at least 1° cooler.
• Warmest against its own records: Jackson County (3rd-warmest September of 132). Even the least warm, Fond du Lac County, had its 23rd-warmest.
• Wettest September against its records: Winnebago County, 7.9 inches (4th-wettest).
• 23 of 72 counties were in moderate drought or worse on NOAA's Palmer reading for September.
• Since 1970 the state's counties have warmed about 0.6° per decade on average, Brown County the most at 0.7°.

This week's forecast against the usual, and every month since 1895, for all 72 counties in Wisconsin. 29 had a top-10 warm September in 2026.

• Adams County 9th warmest Sep
• Ashland County 9th warmest Sep
• Barron County 14th warmest Sep
• Bayfield County 13th warmest Sep
• Brown County 13th warmest Sep
• Buffalo County 14th warmest Sep
• Burnett County 15th warmest Sep
• Calumet County 17th warmest Sep
• Chippewa County 9th warmest Sep
• Clark County 5th warmest Sep
• Columbia County 5th warmest Sep
• Crawford County 13th warmest Sep
• Dane County 6th warmest Sep
• Dodge County 13th warmest Sep
• Door County 14th warmest Sep
• Douglas County 13th warmest Sep
• Dunn County 13th warmest Sep
• Eau Claire County 8th warmest Sep
• Florence County 14th warmest Sep
• Fond du Lac County 23rd warmest Sep
• Forest County 13th warmest Sep
• Grant County 9th warmest Sep
• Green County 7th warmest Sep
• Green Lake County 13th warmest Sep
• Iowa County 12th warmest Sep
• Iron County 8th warmest Sep
• Jackson County 3rd warmest Sep
• Jefferson County 14th warmest Sep
• Juneau County 9th warmest Sep
• Kenosha County 14th warmest Sep
• Kewaunee County 12th warmest Sep
• La Crosse County 15th warmest Sep
• Lafayette County 7th warmest Sep
• Langlade County 11th warmest Sep
• Lincoln County 10th warmest Sep
• Manitowoc County 13th warmest Sep
• Marathon County 9th warmest Sep
• Marinette County 15th warmest Sep
• Marquette County 8th warmest Sep
• Menominee County 13th warmest Sep
• Milwaukee County 21st warmest Sep
• Monroe County 7th warmest Sep
• Oconto County 14th warmest Sep
• Oneida County 10th warmest Sep
• Outagamie County 12th warmest Sep
• Ozaukee County 17th warmest Sep
• Pepin County 12th warmest Sep
• Pierce County 9th warmest Sep
• Polk County 18th warmest Sep
• Portage County 4th warmest Sep
• Price County 9th warmest Sep
• Racine County 17th warmest Sep
• Richland County 10th warmest Sep
• Rock County 9th warmest Sep
• Rusk County 7th warmest Sep
• Sauk County 12th warmest Sep
• Sawyer County 8th warmest Sep
• Shawano County 12th warmest Sep
• Sheboygan County 17th warmest Sep
• St. Croix County 12th warmest Sep
• Taylor County 7th warmest Sep
• Trempealeau County 13th warmest Sep
• Vernon County 13th warmest Sep
• Vilas County 10th warmest Sep
• Walworth County 18th warmest Sep
• Washburn County 11th warmest Sep
• Washington County 13th warmest Sep
• Waukesha County 15th warmest Sep
• Waupaca County 6th warmest Sep
• Waushara County 13th warmest Sep
• Winnebago County 21st warmest Sep
• Wood County 8th warmest Sep

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