Is your engine showing the temperature is too high? The fan could be ineffective, or there could be an air flow restriction perhaps in the area of the radiator.
Need more information overall; or seek guidance at a local shop near you.
Use this link to find some shops near you that can help with your concern:
www.repairpal.com/repair-shops
RepairPal Certified shops can diagnose and repair your 2016 Jeep Wrangler. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.