Oil Prices in September 2000: WTI & Brent Daily Prices and Monthly Average
At $33.88 per barrel, September 2000's WTI average was the highest monthly average in nominal terms since October 1990, up $2.62 (8.4%) from August 2000. The average was 42% above the $23.80 of September 1999.
Daily spot prices, September 2000
Chart data table (21 rows)
| Period | WTI | Brent |
|---|---|---|
| Sep 29, 2000 | $30.87 | $28.42 |
| Sep 28, 2000 | $30.26 | $28.91 |
| Sep 27, 2000 | $31.23 | $29.78 |
| Sep 26, 2000 | $31.78 | $29.94 |
| Sep 25, 2000 | $31.50 | $30.01 |
| Sep 22, 2000 | $32.66 | $31.59 |
| Sep 21, 2000 | $33.84 | $32.18 |
| Sep 20, 2000 | $37.22 | $33.67 |
| Sep 19, 2000 | $36.96 | $33.48 |
| Sep 18, 2000 | $36.75 | $34.55 |
| Sep 15, 2000 | $35.87 | $33.68 |
| Sep 14, 2000 | $34.37 | $31.35 |
| Sep 13, 2000 | $33.87 | $31.08 |
| Sep 12, 2000 | $34.25 | $33.30 |
| Sep 11, 2000 | $35.14 | $36.87 |
| Sep 8, 2000 | $33.62 | $36.27 |
| Sep 7, 2000 | $35.18 | $37.43 |
| Sep 6, 2000 | $34.97 | $36.70 |
| Sep 5, 2000 | $33.92 | $35.72 |
| Sep 4, 2000 | — | $36.02 |
| Sep 1, 2000 | $33.42 | $35.09 |
Prices fell over the month, from $33.42 on Sep 1, 2000 to $30.87 on Sep 29, 2000. The largest one-day move was −$3.38 on Sep 21, 2000 (−9.1%).
Brent averaged $33.14, within a dollar of WTI on average across the 20 dates when both were published.
It was the second-highest monthly average of 2000. Adjusted with CPI-U, the September 2000 average equals $65.72 in September 2026 dollars.
September 2000 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $33.88 | $33.14 |
| Change vs August 2000 | +$2.62 | +$2.94 |
| Change vs September 1999 | +$10.08 | +$10.60 |
| Highest daily price | $37.22 Sep 20, 2000 | $37.43 Sep 7, 2000 |
| Lowest daily price | $30.26 Sep 28, 2000 | $28.42 Sep 29, 2000 |
| Published daily observations | 20 | 21 |
| Average in September 2026 dollars (CPI-U) | $65.72 | $64.28 |
Monthly averages are EIA's published figures. Real figures use CPI-U for September 2000.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Sep 1, 2000 – Sep 29, 2000 | Sep 29, 2000 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Sep 1, 2000 – Sep 29, 2000 | Sep 29, 2000 |
| 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:2000 daily prices (CSV)