PADD 3 diesel price (Gulf Coast) in September 2025
5 official EIA weekly readings
- The average PADD 3 (Gulf Coast) on-highway diesel price in September 2025 was $3.395 per gallon, calculated from 5 EIA weekly readings.
- The weekly low was $3.367; the weekly high was $3.413.
- That monthly average was $0.018 higher than August 2025.
- It was $0.189 higher than September 2024.
This is a calendar-month view of the official EIA weekly Gulf Coast series. It averages only the source weeks listed below, not a separate government monthly estimate.
September 2025 weekly chart
Every EIA week in September 2025
| Week of | $/gal | Change |
|---|---|---|
| $3.367 | ▲+$0.039 | |
| $3.404 | ▲+$0.037 | |
| $3.389 | ▼−$0.015 | |
| $3.400 | ▲+$0.011 | |
| $3.413 | ▲+$0.013 |
← August 2025 · October 2025 → · all of 2025 · all Gulf Coast history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.