Coimbatore in September is the soft re-opening for the Nilgiri gateway. Rainfall 80-150mm across 10-13 wet days, mostly the first fortnight as the SW monsoon retreats from the Western Ghats. Daytime 27-31C, nights 22-25C, humidity easing toward 75 percent. NH181 Coimbatore-Ooty (90km via Mettupalayam, 14 hairpins) and NH183 Pollachi-Valparai 40-hairpin both stabilise — closure events drop from 2-3 per week to under 1 per week from Sep 20. The Nilgiri-Anamalai gateway role returns to full demand. Adiyogi statue (112-foot Guinness-record Shiva bust, Isha Yoga Center, Velliangiri foothills, 30km, 6:30am-9:30pm free) at full operations and light visitor load. Marudhamalai Hill Temple (15km, the 12th-century Subrahmanya temple at 500m, 7am-8pm) at full operations. Perur Pateeswarar Temple (10km, 1000-year-old Chola Shiva), VOC Park, Gass Forest Museum (12km, 1902 Forest Dept, ₹50, closed Sun) at full visitor hours. Velliangiri 7-peak trek (1840m sacred peak, 7-hour up + 5 down) returns to year-round patterns. Hotels return to normal: business district at ₹4-8k, mid-bracket ₹2,500-4,500. Coimbatore airport (CJB, 12km) at returning Ooty-bound traffic.

Why September scores 8.0/10