Yields generally were coming in better than expected, one trader said.
November canola fell $4 to settle at $485.70 per tonne after dipping to $484.30, its lowest since June 30. Volume was 15,296 contracts.
January canola ended $3.70 lower at $492.60 per tonne on volume of 5,375 contracts.
Chicago Board of Trade November soybeans settled down 2 US cents at US$9.60 per bushel ahead of monthly supply/demand reports due Tuesday from the US Department of Agriculture.
NYSE MATIF November rapeseed fell 0.69 percent, while Malaysian November palm oil rose 1.45 percent.
The Canadian dollar edged higher against its US counterpart, supported by further gains in Canada's bond yields after the country's central bank surprised some investors last week by raising interest rates.