Best Time · Manaslu Circuit

Manaslu Circuit Trek in September

Good conditionsThe monsoon breaks mid-month and the whole trek changes within days
16-20°C
Daytimeat Samagaon
-2 to 2°C
Overnightat Larkya La
9-12 days
Rain / Snowdays with precipitation
Moderate
Trail Trafficvisibility improving
Manaslu Circuit, the year at a glance

September runs as two distinct halves. Rain and road risk carry over from August through the first two weeks, then the weather flips hard, usually around mid-month, and the trek turns genuinely good right as the permit steps up to its September-through-November peak rate. Larkya La stays in solid shape the whole time.

Weather by altitude

September temperatures, valley to high camp

WaypointElevation Day Night
Namrung2,630m21 to 25°C9 to 13°C
Samagaon3,530m16 to 20°C4 to 8°C
Dharamsala4,460m10 to 14°C-2 to 2°C
Larkya La5,106m6 to 10°C-7 to -3°C

Gorkha district's monsoon usually clears by mid-September, and once it goes the change is quick. Wet days drop by roughly half compared with August, the gorge dries out within about a week of the shift, and the first truly clear mornings above Samagaon start appearing before the month ends. Larkya La sits outside all of this either way, snow-free and comfortable throughout September no matter what the lower valley is doing.

On the trail

Trail conditions in September

Below Jagat, early September still feels like August: wet, slow, leeches still present below Deng. Once the pattern breaks, usually around the middle of the month, the lower trail dries out within days and the whole character of the trek shifts.

Namrung and Lho hit their stride late in the month, with clear sightlines to Manaslu's north face becoming the rule rather than the exception. The last ten days at Samagaon carry a distinct freshness: monsoon greenery still intact, but finally under open sky.

Larkya La holds steady condition all through September regardless of the monsoon's retreat below. No snow, comfortable pre-dawn readings, and a crossing that sees a fraction of the traffic October brings to Dharamsala.

Crowds & teahouses

Who else is up there

Quiet through the first half, building steadily from around the twentieth onward. Lodges thinned by August's traffic are back to full service by the last week, both guesthouses at Dharamsala included, and the Restricted Area Permit's peak rate takes effect at the start of the month regardless of when the weather actually turns.

Getting in & out

Flights, roads and logistics

The road improves markedly as September goes on. Real monsoon risk persists on the Arughat to Machha Khola stretch through roughly the first ten days; beyond that the route runs close to normal, and vehicle demand climbs steadily as autumn bookings come in from mid-month.

Pack for September

What changes this month

Frequently asked

September questions

Nepal trekking season 2026

Some mountains
don't wait

Permits close. Weather windows narrow. The best Everest region teahouse beds fill by October, and spring season opens again in March. Our Kathmandu team is already booking for autumn. If you have been planning a trek, this is the window.

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