EIA weekly data
Diesel prices, September 2025
The U.S. average retail diesel price averaged $3.748 a gallon in September 2025, across 5 weekly readings, up $0.004 from the month before and up $0.190 from a year earlier. California averaged the most ($4.962) and Gulf Coast (PADD 3) the least ($3.395).
- U.S. monthly average
- $3.748 range $3.734 to $3.766
- From prior month
- +0.004 dollars per gallon
- From a year earlier
- +0.190 dollars per gallon
Weekly prices by region
| Region | Sep 1 | Sep 8 | Sep 15 | Sep 22 | Sep 29 | Average | vs. prior month | vs. year earlier |
|---|---|---|---|---|---|---|---|---|
| U.S. average | $3.734 | $3.766 | $3.739 | $3.749 | $3.754 | $3.748 | +0.004 | +0.190 |
| East Coast (PADD 1) | $3.750 | $3.772 | $3.748 | $3.745 | $3.750 | $3.753 | −0.003 | +0.145 |
| New England (PADD 1A) | $3.948 | $3.955 | $3.961 | $3.962 | $3.962 | $3.958 | −0.021 | +0.119 |
| Central Atlantic (PADD 1B) | $3.912 | $3.937 | $3.920 | $3.908 | $3.902 | $3.916 | −0.015 | +0.080 |
| Lower Atlantic (PADD 1C) | $3.669 | $3.693 | $3.663 | $3.664 | $3.673 | $3.672 | +0.004 | +0.173 |
| Midwest (PADD 2) | $3.722 | $3.754 | $3.710 | $3.731 | $3.731 | $3.730 | −0.005 | +0.199 |
| Gulf Coast (PADD 3) | $3.367 | $3.404 | $3.389 | $3.400 | $3.413 | $3.395 | +0.018 | +0.189 |
| Rocky Mountain (PADD 4) | $3.753 | $3.754 | $3.722 | $3.747 | $3.732 | $3.742 | −0.027 | +0.149 |
| West Coast (PADD 5) | $4.484 | $4.533 | $4.523 | $4.524 | $4.532 | $4.519 | +0.032 | +0.267 |
| California | $4.914 | $4.958 | $4.971 | $4.985 | $4.981 | $4.962 | +0.067 | +0.229 |
| West Coast less California | $4.112 | $4.163 | $4.134 | $4.123 | $4.143 | $4.135 | +0.002 | +0.302 |