When combining these two purposes, rest on the coast of Lazio (Ostia, Terracina) + shopping in a number of outlets (for example, OUTLET by Stock House at Viale delle Industrie in Terracina) or in Rome is suitable.

If you do not want to spend much, then Rimini. In September, you can still swim in the sea, if the weather is all right, and also make an inexpensive shopping. Also there will be charter programs from the tour operator with inexpensive flights.

If you are interested in luxury brands with discounts and want to visit many patches from factories of famous brands (Prada, Cavalli, D & G, Armani, etc.), and also to see the most beautiful city in Italy (according to the Italians), it is worth to go to Florence

If you are more interested in a very diverse and fashionable shopping, then choose Milan - there at this time will be the most fashionable collection.