Oil Prices in August 2009: WTI & Brent Daily Prices and Monthly Average
WTI jumped in August 2009: the monthly average rose to $71.05, up $6.90 (10.8%) from July 2009. The average was 39% below the $116.67 of August 2008.
Daily spot prices, August 2009
Chart data table (21 rows)
| Period | WTI | Brent |
|---|---|---|
| Aug 31, 2009 | $69.97 | $69.02 |
| Aug 28, 2009 | $72.72 | $72.80 |
| Aug 27, 2009 | $72.49 | $70.68 |
| Aug 26, 2009 | $71.38 | $70.74 |
| Aug 25, 2009 | $71.60 | $73.10 |
| Aug 24, 2009 | $73.68 | $74.34 |
| Aug 21, 2009 | $73.12 | $73.71 |
| Aug 20, 2009 | $72.40 | $73.75 |
| Aug 19, 2009 | $72.54 | $72.81 |
| Aug 18, 2009 | $69.22 | $68.66 |
| Aug 17, 2009 | $66.72 | $68.65 |
| Aug 14, 2009 | $67.51 | $71.33 |
| Aug 13, 2009 | $70.57 | $73.76 |
| Aug 12, 2009 | $70.08 | $74.03 |
| Aug 11, 2009 | $69.46 | $71.58 |
| Aug 10, 2009 | $70.59 | $73.79 |
| Aug 7, 2009 | $70.97 | $74.21 |
| Aug 6, 2009 | $71.96 | $74.61 |
| Aug 5, 2009 | $71.97 | $74.39 |
| Aug 4, 2009 | $71.40 | $73.82 |
| Aug 3, 2009 | $71.59 | $72.90 |
Prices dipped to $66.72 on Aug 17, 2009, then climbed to $73.68 on Aug 24, 2009 and ended at $69.97. The largest one-day move was +$3.32 on Aug 19, 2009 (+4.8%).
Brent averaged $72.51; its premium over WTI on matched dates averaged $1.46, with the daily Brent − WTI difference ranging from −$1.81 to +$3.95.
Adjusted with CPI-U, the August 2009 average equals $110.92 in September 2026 dollars.
August 2009 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $71.05 | $72.51 |
| Change vs July 2009 | +$6.90 | +$8.07 |
| Change vs August 2008 | −$45.62 | −$40.73 |
| Highest daily price | $73.68 Aug 24, 2009 | $74.61 Aug 6, 2009 |
| Lowest daily price | $66.72 Aug 17, 2009 | $68.65 Aug 17, 2009 |
| Published daily observations | 21 | 21 |
| Average in September 2026 dollars (CPI-U) | $110.92 | $113.20 |
Monthly averages are EIA's published figures. Real figures use CPI-U for August 2009.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Aug 3, 2009 – Aug 31, 2009 | Aug 31, 2009 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Aug 3, 2009 – Aug 31, 2009 | Aug 31, 2009 |
| 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:2009 daily prices (CSV)