- The average price of gas in the U.S. is $4.48 per gallon as of September 2026, up more than a dollar from the previous year.
- California has the highest average gas price in the country at $6.24 per gallon, while Texas and Indiana tie for the lowest at $3.96.
- Filling a 15-gallon tank costs about $34 more in California than in the two cheapest states.
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The average price for a gallon of regular gasoline in the U.S. is $4.47 as of late September 2026, according to data from AAA.
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Current National Average: $4.47 per gallon.
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One Month Ago: $4.08 per gallon.
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One Year Ago: $3.13 per gallon.
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Main Drivers: Lingering energy market volatility, crude oil costs, and global supply disruptions are keeping prices higher than usual for autumn. You can track live regional shifts via the U.S. Energy Information Administration (EIA).
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Highest Prices: The West Coast continues to see the highest averages, with states like California, Washington, Oregon, Nevada, Hawaii, and Alaska averaging over $5.00 to $5.70+ per gallon.
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Lowest Prices: States in the Gulf Coast and parts of the Midwest/South—such as Texas, Mississippi, and Indiana—report the lowest averages, hovering closer to $3.90 per gallon.
We recommend consumer clubs: Costco, and prefer BJs.