Oil Prices in September 2001: WTI & Brent Daily Prices and Monthly Average
At $26.20 per barrel, September 2001's WTI average was the lowest monthly average in nominal terms since April 2000, down $1.17 (4.3%) from August 2001. A year earlier, in September 2000, it averaged $33.88, so the price was lower by $7.68 (22.7%) year over year.
Daily spot prices, September 2001
Chart data table (20 rows)
| Period | WTI | Brent |
|---|---|---|
| Sep 28, 2001 | $23.44 | $21.87 |
| Sep 27, 2001 | $22.80 | $21.47 |
| Sep 26, 2001 | $22.40 | $20.67 |
| Sep 25, 2001 | $21.63 | $20.13 |
| Sep 24, 2001 | $21.46 | $20.63 |
| Sep 21, 2001 | $25.46 | $25.17 |
| Sep 20, 2001 | $26.60 | $25.57 |
| Sep 19, 2001 | $26.73 | $25.44 |
| Sep 18, 2001 | $27.81 | $27.54 |
| Sep 17, 2001 | $28.84 | $28.32 |
| Sep 14, 2001 | $29.59 | $29.22 |
| Sep 13, 2001 | $28.58 | $28.20 |
| Sep 12, 2001 | $27.64 | $28.24 |
| Sep 11, 2001 | $27.65 | $29.12 |
| Sep 10, 2001 | $27.66 | $27.59 |
| Sep 7, 2001 | $27.99 | $27.54 |
| Sep 6, 2001 | $27.54 | $26.61 |
| Sep 5, 2001 | $27.03 | $26.27 |
| Sep 4, 2001 | $26.94 | $26.27 |
| Sep 3, 2001 | — | $26.52 |
Prices fell over the month, from $26.94 on Sep 4, 2001 to $23.44 on Sep 28, 2001. The largest one-day move was −$4.00 on Sep 24, 2001 (−15.7%).
Brent averaged $25.62, within a dollar of WTI on average across the 19 dates when both were published.
Adjusted with CPI-U, the September 2001 average equals $49.51 in September 2026 dollars.
September 2001 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $26.20 | $25.62 |
| Change vs August 2001 | −$1.17 | −$0.06 |
| Change vs September 2000 | −$7.68 | −$7.52 |
| Highest daily price | $29.59 Sep 14, 2001 | $29.22 Sep 14, 2001 |
| Lowest daily price | $21.46 Sep 24, 2001 | $20.13 Sep 25, 2001 |
| Published daily observations | 19 | 20 |
| Average in September 2026 dollars (CPI-U) | $49.51 | $48.42 |
Monthly averages are EIA's published figures. Real figures use CPI-U for September 2001.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Sep 4, 2001 – Sep 28, 2001 | Sep 28, 2001 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Sep 3, 2001 – Sep 28, 2001 | Sep 28, 2001 |
| U.S. Bureau of Labor Statistics | CUUR0000SA0 — CPI-U, all items, NSA | index, 1982–84=100 | monthly | September 2026 |
Last updated: Oct 21, 2026, 5:27 PM CDT. Raw values are shown in source units; any conversion is labeled. See methodology and data sources.
Download:2001 daily prices (CSV)