The rupee was trading weak at 64.43 ahead of release of key IIP and inflation data later in the day.
Dealers attributed the rupee’s fall to fresh demand for the US currency and a weak domestic equity market.
Major currencies mostly made marginal gains against the US dollar overseas as the pound stabilised after the electoral tumult last week, which limited the rupee’s fall, they said.
The domestic unit opened weak by 13 paise at 64.37 at the Interbank Foreign Exchange market today. It hovered in a range of 64.43 and 64.31 before quoting at 64,43, down 9 paise at 3.50 pm local time.
On Friday, the rupee had lost 3 paise to close at 64.24 against the US currency.
Meanwhile, the benchmark BSE Sensex ended lower by 166.36 points or 0.53 per cent at 31,095.70.