Yes, you can.
1) You have to create batch (.bat) file which will have a command that will run your ssis package by using dtexec.
E.g. dtexec.exe /F "C:\ImportCSV\Package.dtsx"
2) Schedule above .bat file using Windows Task Scheduler
http://geekepisodes.com/sqlbi/2010/schedule-ssis-package-execution-with-windows-task-scheduler/
http://syntaxsiragugall.blogspot.in/2013/04/deploying-ssis-in-task-scheduler-with.html
Cheers, Vaibhav Chaudhari [MCTS], [MCP]