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Gas prices track backwards in Iowa the final week of September

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The price of diesel of $6.66 per gallon is displayed at a Sioux City station on September 23, 2026. (Bret Hayworth, Siouxland Public Media News)
The price of diesel of $6.66 per gallon is displayed at a Sioux City station on September 23, 2026. (Bret Hayworth, Siouxland Public Media News)

After taking two big jumps the second and third weeks of September, Iowa unleaded gas prices dropped over the final week, to finish the month at $4.23 per gallon.

Also this month, diesel fuel prices reached a historic high approaching $7, but have trickled back down in Iowa to sit at $6.13 per gallon on September 30.

By comparison, diesel prices in Iowa were $3.50 one year ago.

The current average unleaded price in Iowa of $4.23 resulted after the weekly drop of 11 cents. The average national average price is $4.43.


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Bret Hayworth is a native of Northwest Iowa and graduate of the University of Northern Iowa with nearly 30 years working as an award-winning journalist. He enjoys conversing with people to tell the stories about Siouxland that inform, entertain, and expand the mind, both daily in SPM newscasts and on the weekly show What's The Frequency.
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