Tamil Calendar 2027 September SEPTEMBER 2027 – Avani – Purattasi Sep 3, Friday – Vinayagar Chaturthi / Ganesh Chaturthi Sep 12, Sunday – Onam – Sun in Simha & Shravana Nakshatra Sep 19, Sunday – Maha Bharani Sep 29, Wednesday – Mahalaya Amavasai – Pitru Paksha ends Sep 30 –…