Oklahoma weather by county

Oklahoma in September 2026

• 77 of 77 counties ran at least 1° warmer than usual in September 2026, and 0 ran at least 1° cooler.
• Warmest against its own records: Adair County (1st-warmest September of 132).
• Wettest September against its records: Cimarron County, 5.8 inches (1st-wettest).
• 62 of 77 counties were 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, Beckham County the most at 0.6°.

This week's forecast against the usual, and every month since 1895, for all 77 counties in Oklahoma. 77 had a top-10 warm September in 2026.

• Adair County 1st warmest Sep
• Alfalfa County 1st warmest Sep
• Atoka County 1st warmest Sep
• Beaver County 1st warmest Sep
• Beckham County 1st warmest Sep
• Blaine County 1st warmest Sep
• Bryan County 1st warmest Sep
• Caddo County 1st warmest Sep
• Canadian County 1st warmest Sep
• Carter County 1st warmest Sep
• Cherokee County 1st warmest Sep
• Choctaw County 1st warmest Sep
• Cimarron County 1st warmest Sep
• Cleveland County 1st warmest Sep
• Coal County 1st warmest Sep
• Comanche County 1st warmest Sep
• Cotton County 1st warmest Sep
• Craig County 1st warmest Sep
• Creek County 1st warmest Sep
• Custer County 1st warmest Sep
• Delaware County 1st warmest Sep
• Dewey County 1st warmest Sep
• Ellis County 1st warmest Sep
• Garfield County 1st warmest Sep
• Garvin County 1st warmest Sep
• Grady County 1st warmest Sep
• Grant County 1st warmest Sep
• Greer County 1st warmest Sep
• Harmon County 1st warmest Sep
• Harper County 1st warmest Sep
• Haskell County 1st warmest Sep
• Hughes County 1st warmest Sep
• Jackson County 1st warmest Sep
• Jefferson County 1st warmest Sep
• Johnston County 1st warmest Sep
• Kay County 1st warmest Sep
• Kingfisher County 1st warmest Sep
• Kiowa County 1st warmest Sep
• Latimer County 1st warmest Sep
• Le Flore County 1st warmest Sep
• Lincoln County 1st warmest Sep
• Logan County 1st warmest Sep
• Love County 1st warmest Sep
• Major County 1st warmest Sep
• Marshall County 1st warmest Sep
• Mayes County 1st warmest Sep
• McClain County 1st warmest Sep
• McCurtain County 1st warmest Sep
• McIntosh County 1st warmest Sep
• Murray County 1st warmest Sep
• Muskogee County 1st warmest Sep
• Noble County 1st warmest Sep
• Nowata County 1st warmest Sep
• Okfuskee County 1st warmest Sep
• Oklahoma County 1st warmest Sep
• Okmulgee County 1st warmest Sep
• Osage County 1st warmest Sep
• Ottawa County 1st warmest Sep
• Pawnee County 1st warmest Sep
• Payne County 1st warmest Sep
• Pittsburg County 1st warmest Sep
• Pontotoc County 1st warmest Sep
• Pottawatomie County 1st warmest Sep
• Pushmataha County 1st warmest Sep
• Roger Mills County 1st warmest Sep
• Rogers County 1st warmest Sep
• Seminole County 1st warmest Sep
• Sequoyah County 1st warmest Sep
• Stephens County 1st warmest Sep
• Texas County 1st warmest Sep
• Tillman County 1st warmest Sep
• Tulsa County 1st warmest Sep
• Wagoner County 1st warmest Sep
• Washington County 1st warmest Sep
• Washita County 1st warmest Sep
• Woods County 1st warmest Sep
• Woodward County 1st warmest Sep

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