September is regarded as high season in Antibes and many hotels might be fully booked during this period. However, there are several options for accommodation to consider:

Hôtel Le Collier: located at 19-23 Boulevard du Général Vautrin 06600 Antibes. 

Hôtel Relais du Postillon: situated at 8, rue Championnet 06600 Antibes. 

ROYAL ANTIBES Hotel: located at 16 Boulevard Maréchal Leclerc, 06600 Antibes.

Josse Hotel: located at 8, boulevard James Wyllie, Antibes.

BOUTIQUE HOTEL IRIN: located at 61 Rue de la Republique, Antibes, 06600.

Hôtel de l'Étoile: located at 2 avenue Gambetta 06600 Antibes.

For additional options, you can conduct a quick search on platforms such as www.booking.com or www.airbnb.com. Antibes also boasts a number of bed and breakfasts that might suit your requirements, so do consider them as potential accommodation options.

All the hotels is conveniently located near bus 'A' or 'B' which offers direct service to EURECOM.