Chennai in October

October at Ooty: 10-22°C, post-monsoon Queen of the Nilgiris — tea estates green, toy train runs the full route, and Doddabetta clear most mornings. Shoulder season; stays easier.

October at Kodaikanal: 12-22°C, post-monsoon hill clarity — star-lake reflections crisp, Coaker's Walk views unobstructed, and pine-forest trails firm underfoot after the rains.

October at Meghamalai: 14–24°C, cloud forest still damp from monsoon tail, tea estates clear between mist. Advance booking essential — peak clarity builds through Nov–Dec.

October at Coonoor: 13-24°C, Nilgiri post-monsoon — tea slopes washed green, toy-train views clearest of the year, and Sim's Park at peak bloom. Crowds lighter than Ooty.

October at Kotagiri: 13-25°C, post-monsoon Nilgiris — Catherine Falls at peak volume, tea slopes freshly green, and Kodanad viewpoint clear of cloud cover on most mornings.

October at Yercaud: 15-27°C, post-monsoon Eastern Ghats — coffee beans ripening on the estates, the lake at full level, and orange groves heading into harvest. Shoulder-season stays easier.

October at Valparai: 15–26°C, cloud forests still misty from monsoon, 40 hairpins clear of slides. Shoulder — lion-tailed macaque sightings active, peak dry-season is Dec–Feb.

October at Courtallam: 22–32°C, falls still flowing from southwest monsoon tail, northeast monsoon building. Shoulder — bathing therapy season peaks Jun–Sep, Oct quieter.