September 2027 starts in Aavani and enters Purattasi on Saturday 18 September. Vinayagar Chathurthi falls on Saturday 4 September and Mahalaya Amavasai on Thursday 30 September.
Aavani 15–31 covers September 1–17. It began on 18 August and has 31 days.
Purattasi 1–13 covers September 18–30. The month begins on Saturday and has 30 days.
Plavanga (பிலவங்க), which began on Chithirai 1, 2027.
Each festival is marked with a dot on the calendar above, with its Tamil date.
| Date | Day | Festival | Type |
|---|---|---|---|
| 4 Sep ஆவணி 18 | Saturday சனி | விநாயகர் சதுர்த்தி Vinayagar Chathurthi Clay Ganesha idols are worshipped and immersed. | Tamil Nadu holiday |
| 30 Sep புரட்டாசி 13 | Thursday வியாழன் | மகாளய அமாவாசை Mahalaya Amavasai Ends the fortnight of ancestor rites, the day before Navarathiri. | Festival |
Purattasi Saturdays begin on Saturday 18 September, when many families go vegetarian and visit Perumal temples for the whole month.
Vinayagar Chathurthi on Saturday 4 September falls on a weekend; buy clay idols a day or two before, as markets sell out.
Aavani 15 to 31 runs from September 1 to September 17; Purattasi 1 to 13 runs from September 18 to September 30.
September 1, 2027 is Aavani 15 (ஆவணி 15), a Wednesday (புதன்).
Purattasi (புரட்டாசி) begins on Saturday, September 18, 2027 and lasts 30 days in Tamil calendars that follow the Vakya panchangam.
Vinayagar Chathurthi (விநாயகர் சதுர்த்தி) is on Saturday, September 4, 2027. Clay Ganesha idols are worshipped and immersed.
Mahalaya Amavasai (மகாளய அமாவாசை) is on Thursday, September 30, 2027. Ends the fortnight of ancestor rites, the day before Navarathiri.
September 2027 falls in the Tamil year Plavanga (பிலவங்க).
August 2027 · September 2027 · October 2027 — or see the 2027 Tamil calendar and the September 2027 calendar with India's holidays.