MADRID, Oct 11 (Reuters) - Spanish national consumer prices rose 3.4 percent year-on-year in September, according to data from the National Statistics Institute on Thursday, after a 3 percentage point rise in Value Added Tax.
September's inflation compared to 2.7 percent in August and a Reuters poll forecast of 3.5 percent.
Spanish European Union-harmonised prices rose 3.5 percent from a year earlier, up from 2.7 percent in August and in line with the Reuters forecast.
Core inflation, which strips out volatile food and energy prices, was 2.1 percent year on year, compared to a reading of 1.4 percent a month earlier.
(Reporting by Paul Day; Editing by Tracy Rucinski)