The benchmark crude oil barrel tracked by the Central Bank of West African States (BCEAO) averaged CFAF55,643 in September 2026, up from CFAF36,636 a year earlier. The increase amounts to CFAF19,007 per barrel, according to the central bank’s monthly statistical bulletin released on 6 November. The quoted year-on-year rise in CFA franc terms was 51.9%.

That increase exceeds the 48.7% annual rise in US dollars for the average of the WTI and Brent benchmarks. The dollar price climbed from $65.5 in September 2025 to $97.5 in September 2026. The difference between the two reported annual growth rates is 3.2 percentage points.

Crude oil prices rise faster in CFA francs than in US dollars

In %, year-on-year

In US dollarsIn CFA francs020406080March 2026April 2026May 2026June 2026July 2026August 2026September 2026In US dollars · March 2026 : 35.5 %, year-on-yearIn US dollars · April 2026 : 55 %, year-on-yearIn US dollars · May 2026 : 62 %, year-on-yearIn US dollars · June 2026 : 21.4 %, year-on-yearIn US dollars · July 2026 : 18.1 %, year-on-yearIn US dollars · August 2026 : 29 %, year-on-yearIn US dollars · September 2026 : 48.7 %, year-on-year48.7In CFA francs · March 2026 : 26.6 %, year-on-yearIn CFA francs · April 2026 : 48.7 %, year-on-yearIn CFA francs · May 2026 : 56.6 %, year-on-yearIn CFA francs · June 2026 : 21.3 %, year-on-yearIn CFA francs · July 2026 : 20.8 %, year-on-yearIn CFA francs · August 2026 : 29.5 %, year-on-yearIn CFA francs · September 2026 : 51.9 %, year-on-year51.9Source: BCEAO, September 2026 Monthly Statistical Bulletin, Table 1.1.2.1, p. 7. · BiFinances

Source: BCEAO, September 2026 Monthly Statistical Bulletin, Table 1.1.2.1, p. 7.

The dollar affects converted oil quotations

The BCEAO reports an average exchange rate of CFAF568.6 to the US dollar in September, compared with CFAF559.1 in September 2025, a 1.7% annual increase. The exchange-rate and oil-price averages are aggregated and rounded, so multiplying the published figures does not exactly reproduce every reported annual rate.

The monthly series shows sharp fluctuations. The average barrel price reached CFAF56,765 in May 2026 before dropping to CFAF46,293 in July. It rebounded to CFAF47,860 in August and CFAF55,643 in September. Between the last two months, the calculated increase was CFAF7,783, or 16.3%.

Crude oil benchmark gains 16.3% from August to September

In CFAF per barrel

45 k50 k55 k60 kMarch 2026April 2026May 2026June 2026July 2026August 2026September 2026CFAF per barrel · March 2026 : 53,258 CFAF per barrelCFAF per barrel · April 2026 : 55,738 CFAF per barrelCFAF per barrel · May 2026 : 56,765 CFAF per barrelCFAF per barrel · June 2026 : 47,291 CFAF per barrelCFAF per barrel · July 2026 : 46,293 CFAF per barrelCFAF per barrel · August 2026 : 47,860 CFAF per barrelCFAF per barrel · September 2026 : 55,643 CFAF per barrel55,643Source: BCEAO, September 2026 Monthly Statistical Bulletin, Table 1.1.2.1, p. 7. Brent… · BiFinances

Source: BCEAO, September 2026 Monthly Statistical Bulletin, Table 1.1.2.1, p. 7. Brent-WTI price quoted in CFA francs.

An international benchmark, not the pump price

The figures cover a benchmark crude oil barrel on international markets. They do not measure petrol-station prices in the eight WAEMU countries, crude oil import volumes or the actual fuel-import bills paid by individual governments.

In the same bulletin, WAEMU consumer price inflation rose from 1.3% year on year in August to 1.9% in September 2026. The transport component recorded annual price growth of 5.8%, up from 4.6% in August. Those measures track prices paid by households and are distinct from international crude oil quotations.