Langtang & Manaslu · – · –
Langtang & Manaslu in September
The monsoon fades through September. Late in the month the Manaslu Circuit and Tsum Valley begin their autumn season, with green terraces and fewer trekkers. Roads may still be damaged by landslides. In 2026, Rasuwa was in a declared disaster period after the August flood; check current status before you travel.
Local tip for September
Plan spare days for landslide delays on mountain roads.
Where to go in September
Langtang & Manaslu3,530 mSamagaon
Nubri village at the foot of Manaslu, the mountain of the spirit
Langtang & Manaslu3,030 mTsum Valley
The valley that vowed not to kill, below the Tibetan border
Langtang & Manaslu2,600 mHelambu
Hyolmo villages, apple orchards and gompas a day from Kathmandu
Elsewhere in Nepal in September
Questions
Is September a good time to visit Langtang & Manaslu?
The monsoon fades through September. Late in the month the Manaslu Circuit and Tsum Valley begin their autumn season, with green terraces and fewer trekkers. Roads may still be damaged by landslides. In 2026, Rasuwa was in a declared disaster period after the August flood; check current status before you travel.
What is the weather like in Langtang & Manaslu in September?
Kathmandu 19–27 °C; rain easing late in the month. Conditions change fast with altitude, so check the forecast for each stop a week before you travel.
Where should we go in Langtang & Manaslu in September?
We suggest Samagaon, Tsum Valley, Helambu. Plan spare days for landslide delays on mountain roads.