Munnar in September
Kerala, India
Go — September scores 4/5 with thin crowds, lush estates as monsoon retreats, and clearing skies, but pack layers for temperature swings between 14–24°C.
September in Munnar is the soft re-opening. Rainfall drops to 400-600mm across 16-18 wet days, mostly the first fortnight. Daytime 18-23C, nights 14-16C, humidity easing toward 80 percent. The southwest monsoon retreats from the Western Ghats by September 20-25; NH85 Kochi-Munnar (130km via Adimali) stabilises with closure events dropping to under 1 per week from mid-month. Eravikulam NP at Rajamala (online booking eravikulam.kerala.gov.in, ₹125 adult, 7am-4pm gate) returns to reliable operations from week three. Tea estates are at year-greenest after the monsoon — the Kanan Devan Hills sweep is in cinematic flush. Mattupetty Dam, Kundala Lake, Top Station all gradually return to normal hours. Onam tail-effect (the festival often spills into early September depending on lunar dates) keeps shops at light hours through the first week. Hotel rates climb 15 percent across the month from year-low August levels: luxury at ₹5-8k, mid-bracket ₹3-5k, homestays ₹1,500-2,500. The Karkidakam Ayurveda residency window has closed by mid-September. October is the cleaner call.
Why September scores 6.0/10
Weather
Monsoon withdrawing. 14-23C, 400-600mm rainfall easing. Eravikulam more reliable late month. Onam tail.
Who should go
- ✓First-time travelers
- ✓Senior citizens
- ✓Families with children
- ✓Remote workers (network available)
Who should think twice
- ✗All casual travelers
All 12 Months
| Month | Score | Note |
|---|---|---|
| January | 10.0/10 | Peak Western Ghats window. 8-22C at 1600m. Tea estates dry, Eravikulam open, post-NYE rates ease. |
| February | 8.0/10 | Driest month. 10-24C. Eravikulam closes for tahr calving. Other estates run normally, rates 30 percent off January. |
| March | 8.0/10 | Last cool month. 12-26C. Eravikulam still closed (calving). Tea estates dry, hotel rates 30-35 percent off January. |
| April | 8.0/10 | Pre-monsoon. 14-28C. Eravikulam reopens April 1 — tahr at peak grassland visibility. Hotel rates lowest non-monsoon. |
| May | 6.0/10 | Pre-monsoon. 16-28C. First fortnight workable, last 10 days bring SW monsoon advance squalls. Hotel rates at year-low. |
| June | 2.0/10 | SW monsoon onset. 14-22C, 800-1000mm rainfall. Landslides on NH85, viewpoints fogged-out. Skip. |
| July | 2.0/10 | Peak monsoon. 14-22C, 1200-1500mm rainfall. NH85 landslide-prone, Eravikulam suspended often, viewpoints unusable. Skip. |
| August | 2.0/10 | Monsoon continues. 14-22C, 1000-1200mm rainfall. NH85 closures frequent, viewpoints unusable. Onam closes town further. Skip. |
| Septemberviewing | 6.0/10 | Monsoon withdrawing. 14-23C, 400-600mm rainfall easing. Eravikulam more reliable late month. Onam tail. |
| October | 8.0/10 | Season opens. 14-24C, 200-300mm rainfall. NE monsoon residual, but tea estates greenest of year. |
| November | 10.0/10 | High season builds. 12-22C, dry, NE monsoon spent. Eravikulam at peak, tea estates clear, hotel rates climb 25 percent. |
| December | 10.0/10 | Peak season. 8-22C, dry. Christmas-NY rates 2.5-3x. Munnar town gridlock 11am-3pm. Eravikulam slots tight. |
Nearby in Kerala scoring high in September
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