U.S. West Texas Intermediate (WTI) crude futures fell 76 cents, or 1.9%, to $39.01 per barrel at 0433 GMT, playing catch-up with a drop in Brent prices overnight.
Brent crude futures eased 8 cents, or nearly 0.2%, to $41.93 a barrel, after falling 1.5% on Monday.
Brent dropped on Monday after Saudi Arabia's Aramco, the world's top oil exporter, cut the October official selling prices for its Arab light crude, seen as a sign demand growth may be stuttering as COVID-19 cases flare up around the world.
"The combination of coming out of summer peak driving season in the U.S., which is a seasonal factor, has refocused the market's attention on whether the demand recovery is strong enough - and clearly there are some doubts, as Aramco's price move has demonstrated," said Lachlan Shaw, National Australia Bank's head of commodity research.
Also weighing on the market is the upcoming maintenance seasons for U.S. refineries, which could cut crude demand by 1.5 million to 2 million barrels per day, he said.
WTI and Brent have dropped out of the ranges they were in throughout August, with WTI now below $40 after having traded around $42 for most of the month. Brent has dropped from around $45. The market had been helped by a weaker U.S. dollar, which has since rebounded slightly.
"This follows on from worrying signs of a resurgence in COVID-19 cases in other parts of the world. This has raised concerns that the recent recovery in demand may be halted as the general public remains cautious about extended travel," ANZ Research said.
(Reporting by Sonali Paul and Seng Li Peng; Editing by Stephen Coates)
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)
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