Every year on 10 September San Nicola da Tolentino, patron of Mornese, is celebrated. The following day, 11 September, is the day of the traditional Fiera di San Nicola (St Nicholas Fair), with numerous stalls along the streets of the village.
The municipality holds the Castello Doria, the Santuario Santa Maria Domenica Mazzarello, the Casa Natale di Santa Maria Mazzarello and the Chiesa di San Silvestro.