Weekly note
Mount Everest
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Photo by Nir B. Gurung, CC BY-SA 4.0, via Wikimedia Commons.

The numbers

Daily high14°C
Nightly low8°C
Feels like, afternoon14°C
Rainy days, 1 mm or more24 · 381 mm
Humidity91%
Sunshine8.4 h/day
Daylight12.3 h/day
Crowds100 / 100, higher is quieter

Ten-year averages for this calendar month. A rainy day is one with at least 1 mm of rain, as a weather station counts it. The model these figures come from drizzles more than a rain gauge, the more so the warmer the month, so its days count from 2 mm, rising to 5 mm in the hottest.

Weather read at Namche Bazaar, on the base-camp trek: ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.

How busy it gets

September: about usual. Busiest in May.

Public holidays in September

Holidays crowd a place out and push fares up around them; they count toward the crowd score above.

Mount Everest in pictures

What to pack

  • Warm layers for the evenings, which drop to about 8°C.
  • Rain gear you will actually use: about 24 rainy days and 381 mm.
  • Sun protection: about 8 hours of sunshine a day.
  • Humidity averages 91%; breathable fabrics dry faster.

Each line is a threshold over the ten-year figures above, not advice from anywhere else.

Before you go

Type C and D plugs at 230 V. Drives on the left. The currency is the Nepalese rupee. No UK Foreign Office advice against travel. Everything for Nepal: cost of living, languages, emergency numbers and health.

On arrival in Mount Everest: the apps, paying, getting around, tipping and the emergency numbers.

September elsewhere

In September from

The other months at Mount Everest

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