Festival d'Automne is an annual art festival that takes place in Paris from September to December. The festival features various contemporary art exhibitions, performances, and events throughout the city, all of which are free to attend. The festival showcases the best of contemporary art and culture in Paris and attracts both locals and tourists. Festival d'Automne is a great choice for budget-conscious travellers who want to experience the art and culture of Paris without spending a lot of money.