Listen to Septembar Maasam - Duet online. Septembar Maasam - Duet is a Tamil language song and is sung by S. Janaki and Shankar Mahadevan. Septembar Maasam - Duet, from the album Katrodu Puyalaaga Vandha Shankar Mahadevan, was released in the year 2023. The duration of the song is 5:11. Download Tamil songs online from JioSaavn.