California diesel price in September 2021
4 official EIA weekly readings
- The average California on-highway diesel price in September 2021 was $4.324 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $4.313; the weekly high was $4.339.
- That monthly average was $0.033 higher than August 2021.
- It was $1.065 higher than September 2020.
This is a calendar-month view of the official EIA weekly California series. It averages only the source weeks listed below, not a separate government monthly estimate.
September 2021 weekly chart
Every EIA week in September 2021
| Week of | $/gal | Change |
|---|---|---|
| $4.316 | ▲+$0.025 | |
| $4.313 | ▼−$0.003 | |
| $4.329 | ▲+$0.016 | |
| $4.339 | ▲+$0.010 |
← August 2021 · October 2021 → · all of 2021 · all California history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.