The SharePoint 2013 September 2017 Updates have been released:
SharePoint Foundation 2013: https://support.microsoft.com/help/4011132
SharePoint Server 2013: https://support.microsoft.com/help/4011116
Project Server 2013: https://support.microsoft.com/help/4011115
Office Web Apps 2013: https://support.microsoft.com/help/3213562/
Office Updates: https://support.microsoft.com/help/4040279
Consider using the SharePoint Patch Cmdlets available at SharePoint Updates for your farm!
