Oil Prices in September 2017: WTI & Brent Daily Prices and Monthly Average
WTI averaged $49.82 per barrel in September 2017, up $1.78 (3.7%) from August 2017. A year earlier, in September 2016, it averaged $45.18, so the price was higher by $4.64 (10.3%) year over year.
Daily spot prices, September 2017
Chart data table (21 rows)
| Period | WTI | Brent |
|---|---|---|
| Sep 29, 2017 | $51.67 | $57.02 |
| Sep 28, 2017 | $51.62 | $58.80 |
| Sep 27, 2017 | $52.14 | $58.74 |
| Sep 26, 2017 | $51.59 | $59.77 |
| Sep 25, 2017 | $51.85 | $59.42 |
| Sep 22, 2017 | $50.33 | $58.16 |
| Sep 21, 2017 | $50.58 | $57.73 |
| Sep 20, 2017 | $50.29 | $57.20 |
| Sep 19, 2017 | $49.54 | $56.58 |
| Sep 18, 2017 | $49.88 | $55.50 |
| Sep 15, 2017 | $49.90 | $56.18 |
| Sep 14, 2017 | $49.86 | $56.76 |
| Sep 13, 2017 | $49.30 | $55.52 |
| Sep 12, 2017 | $48.21 | $55.06 |
| Sep 11, 2017 | $48.06 | $54.20 |
| Sep 8, 2017 | $47.44 | $54.55 |
| Sep 7, 2017 | $49.10 | $54.16 |
| Sep 6, 2017 | $49.13 | $54.48 |
| Sep 5, 2017 | $48.63 | $53.63 |
| Sep 4, 2017 | — | $52.60 |
| Sep 1, 2017 | $47.32 | $53.15 |
Prices rose over the month, from $47.32 on Sep 1, 2017 to $51.67 on Sep 29, 2017, with gains on 13 of 20 trading days.
Brent averaged $56.15; its premium over WTI on matched dates averaged $6.51, with the daily Brent − WTI difference ranging from +$5.00 to +$8.18.
Adjusted with CPI-U, the September 2017 average equals $68.01 in September 2026 dollars.
September 2017 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $49.82 | $56.15 |
| Change vs August 2017 | +$1.78 | +$4.45 |
| Change vs September 2016 | +$4.64 | +$9.58 |
| Highest daily price | $52.14 Sep 27, 2017 | $59.77 Sep 26, 2017 |
| Lowest daily price | $47.32 Sep 1, 2017 | $52.60 Sep 4, 2017 |
| Published daily observations | 20 | 21 |
| Average in September 2026 dollars (CPI-U) | $68.01 | $76.65 |
Monthly averages are EIA's published figures. Real figures use CPI-U for September 2017.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Sep 1, 2017 – Sep 29, 2017 | Sep 29, 2017 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Sep 1, 2017 – Sep 29, 2017 | Sep 29, 2017 |
| 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:2017 daily prices (CSV)