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Princeton Gas Prices Nudge Lower to $3.8772 as Monthly Costs Rise — September 13, 2026

Regular unleaded averages $3.8772 in the Dallas area, down from yesterday, up from last week and above the Texas average.

Gwen Mercer

September 13, 20261 min read

Gas prices at the pump in Princeton Texas - Illustration by Jake Team LLC

Princeton, Texas — Gas prices in the Dallas area averaged $3.8772 per gallon for regular unleaded on September 13, 2026, according to AAA, down from $3.8829 yesterday. That is up from $3.6226 a week ago but higher than $3.7234 a month ago.

The statewide average in Texas stands at $3.8523, while the national average is $4.3130. Drivers in the Dallas area are paying above the state average and below the national average.

The Dallas average remains below its AAA recorded high of $4.8370. Regular prices are about 15 cents higher than a month ago. Compared with a year ago, when the metro average was $2.9430, drivers are paying about 93 cents more per gallon.

Diesel in the Dallas area averages $5.9698 per gallon, AAA reported.

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Gwen Mercer

Gwen Mercer writes about community life, schools, public safety, and local events in Princeton.

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