MUMBAI (Reuters) - The rupee weakened on Tuesday tailing negative local shares, the euro's slide and strong dollar demand from oil firms to settle Iran's oil bill. * At 9:29 a.m., the partially convertible rupee was 44.2250/2275 per dollar, 0.3 percent weaker from Monday's close of 44.07/08. * The euro was $1.4242 versus $1.4431 at end of local currency market on Monday, while the index of the dollar against six major currencies was up 0.15 percent to 74.373 points from 73.618 points previously. * Asian currencies were marginally weak versus the dollar. * The BSE Sensex fell 0.5 percent early on Tuesday as fresh worries about the global economic recovery after the U.S. reported weak manufacturing data drove world markets lower. Financials and software services companies led the drop. * Iran is receiving long overdue payments for its oil exports to India as two major buyers have started using a Turkish bank to get around U.S.-led moves to isolate the Islamic Republic, industry sources said on Monday. (Reporting by Aditya Phatak)