In September, Rohtang Pass is usually open and accessible, as it generally stays open till October depending on weather conditions. You should be able to visit without much issue, but it’s always better to check the latest status a day before your plan.

Yes, a permit is required to visit Rohtang Pass. You can apply online or get it from local agents in Manali, and it’s advisable to book in advance because there is a daily vehicle limit. If you want an easier option, you can also go towards Atal Tunnel and Sissu side, which offers great views and doesn’t involve the same permit hassle.