March raw sugar SBc1 fell 0.68 cents, or 2.6%, to 25.67 cents per pound, previously hitting its lowest price since September 1 at 25.59 cents per pound, Nasdaq said.
Dealers said the market was still digesting the largest-ever delivery at the expiration of any contract, with most analysts viewing the move as bearish.
Top sugar producer Brazil exported 3.21 million tonnes in September, up 6.2% from a year ago, government data showed.
December white sugar LSUc1 fell $12.60, or 1.8%, to $689.10/t, hitting its lowest price since late August at $687.20/t.