What’s on in Paris and Île-de-France this weekend, Friday 25, Saturday 26 and Sunday 27 September 2026? Get ready for a full programme with the Moon Festival, the Montmartre Festival and the Fête des jardins, plus exhibitions, sweat-worthy runs, live music to get you buzzing, restaurants to tease your taste buds, not to mention theatre, cinema and fashion... Yes, the outings look set to be plentiful this new weekend! Click here to discover the list of possibilities and activities to enjoy this weekend of 25, 26 and 27 September 2026.