EIA weekly data
Diesel prices, September 2021
The U.S. average retail diesel price averaged $3.384 a gallon in September 2021, across 4 weekly readings, up $0.034 from the month before and up $0.970 from a year earlier. California averaged the most ($4.324) and Gulf Coast (PADD 3) the least ($3.116).
- U.S. monthly average
- $3.384 range $3.372 to $3.406
- From prior month
- +0.034 dollars per gallon
- From a year earlier
- +0.970 dollars per gallon
Weekly prices by region
| Region | Sep 6 | Sep 13 | Sep 20 | Sep 27 | Average | vs. prior month | vs. year earlier |
|---|---|---|---|---|---|---|---|
| U.S. average | $3.373 | $3.372 | $3.385 | $3.406 | $3.384 | +0.034 | +0.970 |
| East Coast (PADD 1) | $3.332 | $3.337 | $3.352 | $3.371 | $3.348 | +0.032 | +0.856 |
| New England (PADD 1A) | $3.285 | $3.288 | $3.300 | $3.299 | $3.293 | +0.029 | +0.690 |
| Central Atlantic (PADD 1B) | $3.483 | $3.486 | $3.496 | $3.514 | $3.495 | +0.011 | +0.824 |
| Lower Atlantic (PADD 1C) | $3.240 | $3.246 | $3.266 | $3.288 | $3.260 | +0.047 | +0.912 |
| Midwest (PADD 2) | $3.284 | $3.282 | $3.290 | $3.326 | $3.296 | +0.043 | +1.001 |
| Gulf Coast (PADD 3) | $3.104 | $3.099 | $3.119 | $3.142 | $3.116 | +0.046 | +0.949 |
| Rocky Mountain (PADD 4) | $3.645 | $3.636 | $3.629 | $3.605 | $3.629 | −0.024 | +1.271 |
| West Coast (PADD 5) | $4.020 | $4.016 | $4.026 | $4.032 | $4.024 | +0.020 | +1.077 |
| California | $4.316 | $4.313 | $4.329 | $4.339 | $4.324 | +0.033 | +1.065 |
| West Coast less California | $3.664 | $3.661 | $3.663 | $3.664 | $3.663 | +0.002 | +1.095 |