EIA weekly data
Diesel prices, September 2026
The U.S. average retail diesel price averaged $6.291 a gallon in September 2026, across 4 weekly readings, up $0.829 from the month before and up $2.543 from a year earlier. California averaged the most ($8.058) and Lower Atlantic (PADD 1C) the least ($5.948).
- U.S. monthly average
- $6.291 range $5.967 to $6.529
- From prior month
- +0.829 dollars per gallon
- From a year earlier
- +2.543 dollars per gallon
Weekly prices by region
| Region | Sep 7 | Sep 14 | Sep 21 | Sep 28 | Average | vs. prior month | vs. year earlier |
|---|---|---|---|---|---|---|---|
| U.S. average | $5.967 | $6.285 | $6.529 | $6.382 | $6.291 | +0.829 | +2.543 |
| East Coast (PADD 1) | $5.744 | $6.158 | $6.268 | $6.137 | $6.077 | +0.721 | +2.324 |
| New England (PADD 1A) | $5.990 | $6.202 | $6.517 | $6.510 | $6.305 | +0.693 | +2.347 |
| Central Atlantic (PADD 1B) | $6.051 | $6.312 | $6.546 | $6.531 | $6.360 | +0.670 | +2.444 |
| Lower Atlantic (PADD 1C) | $5.605 | $6.096 | $6.139 | $5.953 | $5.948 | +0.742 | +2.276 |
| Midwest (PADD 2) | $5.946 | $6.250 | $6.680 | $6.526 | $6.350 | +0.933 | +2.620 |
| Gulf Coast (PADD 3) | $5.754 | $6.027 | $6.177 | $5.955 | $5.978 | +0.725 | +2.583 |
| Rocky Mountain (PADD 4) | $5.805 | $6.066 | $6.340 | $6.407 | $6.155 | +0.740 | +2.413 |
| West Coast (PADD 5) | $6.987 | $7.250 | $7.456 | $7.357 | $7.263 | +1.009 | +2.744 |
| California | $7.764 | $8.039 | $8.246 | $8.181 | $8.058 | +1.183 | +3.096 |
| West Coast less California | $6.314 | $6.566 | $6.791 | $6.643 | $6.579 | +0.863 | +2.444 |