North Sikkim · month by month
September
Tip for September
Book the North Sikkim part for the last ten days of September, not the first.
Prices and crowds
Hotels discount to restart the season, and group departures are easy to join.
Where to go in September
Base for Yumthang, run by its own village council
Meadows, hot spring and rhododendrons above Lachung
The Lepcha reserve across the Teesta from Mangan
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Good to know
Is September a good time to visit North Sikkim?
September is the reopening month. In 2025 permits for Lachung, Yumthang and Zero Point resumed on 8 September, and in 2026 permits for Lachen resumed around 10–11 September. Rain usually eases in the second half, and the alpine meadows around Yumthang and Thangu are at their greenest. Expect checkpost time limits and repair works on the road.
What is the weather like in North Sikkim in September?
Lachung 7 to 16 °C, rain easing late in the month. Conditions differ by altitude and coast, so check the forecast for each stop a week before you travel.
Where should we go in North Sikkim in September?
We suggest Lachung, Yumthang Valley, Dzongu. Book the North Sikkim part for the last ten days of September, not the first.