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This Month in Chennai

September 2026

Updated 28 August 2026 · Refreshed every month, bookmark this page

September 2026 is the start of Chennai's festive run-up. Krishna Jayanthi opens the month on the 4th with Parthasarathy Temple at its busiest, Vinayagar Chaturthi on the 14th fills every street with pandals before the immersion processions to Marina Beach, and Navaratri shopping starts early as Golu doll stalls take over Mylapore. The Yellow Line, meanwhile, is still waiting on its inauguration date.

The Big Stories

Festival

Vinayagar Chaturthi on 14 September

Chennai's biggest street festival of the year. Community pandals go up in every locality from Triplicane to Ambattur, Kosapet's clay-idol workshops run flat out in the weeks before, and the immersion processions to Marina, Pattinapakkam, and Neelankarai beaches roll on for several days after the 14th. Expect road closures along the processional routes.

Read the September guide

Festival

Krishna Jayanthi on 4 September

Gokulashtami brings midnight pujas at Parthasarathy Temple in Triplicane and tiny butter-smeared footprints drawn in kolam powder from the doorstep to the puja room. Sowcarpet and Mint Street host uriyadi (Dahi Handi) pot-breaking events, and sweet shops run out of seedai and murukku by afternoon.

Visit the Parthasarathy Temple page

Metro

The Yellow Line is built, cleared, and still waiting for opening day

The first section of Metro Phase 2, the 14.6 km elevated stretch from Poonamallee to Vadapalani via Porur, cleared its safety inspections in June, but the inauguration originally expected in July has still not been scheduled. Our Phase 2 hub covers the stations, interchanges, and what to expect at launch.

Read the Phase 2 guide

Weather

Warm and humid, with the monsoon build-up starting late in the month

Expect 26 to 35 degrees with high humidity. Evenings ease slightly compared to August, and by the last week the sky starts to turn as the northeast monsoon builds. Carry an umbrella from mid-month onwards, especially for evening pandal visits.

See the weather guide

Weather Snapshot

26-35°C
Temperature
70-80%
Humidity
Increasing towards month-end
Rainfall

Warm and humid but temperatures begin easing. Pre-monsoon buildup starts late September.

Festivals & Observances

Vinayagar Chaturthi

September (varies)

Major Ganesha festival with community pandals across the city and a grand immersion procession to Marina Beach.

Navaratri

September/October (9 nights)

Nine nights of Golu doll displays, Carnatic music, Saraswathi Puja. Mylapore and West Mambalam are known for elaborate displays.

Things to Do This Month

  • Visit Golu displays in Mylapore homes (neighbours welcome visitors)
  • Watch the Vinayagar Chaturthi procession at Marina Beach
  • Attend Navaratri music concerts at sabhas
  • Visit Kapaleeshwarar Temple decorated for Navaratri
  • Explore kolam art and flower markets in Mylapore
  • Shop for festive clothes and sweets in T. Nagar
Read the full September guide

Coming Up in October

  • Gandhi Jayanti on 2 October, a public holiday, with events at Gandhi Mandapam in Guindy
  • Navaratri from 11 to 20 October, with Golu displays in Mylapore and West Mambalam homes and Saraswathi Puja on the ninth day
  • Vijayadasami on 20 October, the traditional day to start children on their first letters, music, or dance lessons
  • The northeast monsoon typically arrives in the second half of the month, so expect heavy evening rain and waterlogging in low-lying areas
Plan ahead with the October guide