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When to go · Kathmandu

Kathmandu in September

Mixed month. Rain tapering; Dashain can start (dates move yearly).

Key facts

Verdict
Mixed
Temperature
27°C (81°F) / 18°C (64°F)
average high / low
Rain days
15
Crowds
Medium
Nepal overall
Prices
Medium
Nepal overall

Verdict

MixedVoykit month rating for Kathmandu

Rain tapering; Dashain can start (dates move yearly).

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than September?

September is rated mixed. These months rate higher:

Weather in September

Long-term averages
  • KathmanduHighs around 27 °C (81 °F), lows around 18 °C (64 °F), rain on about 15 days
  • Kathmandu valley, Nepal · Kathmandu, Patan, Bhaktapur, Nagarkotrainy

    Cold nights Dec–Feb (near 0 °C (32 °F)); dust and smoke haze in spring hide the mountains; monsoon rain most afternoons Jun–Sep.

Monsoon season

Green hills and quiet streets.

Watch: Heavy rain, landslides and cloud over the mountains.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Indra Jatra check

    Lunar calendar, moves yearly · Durbar Square

    Chariot procession with the living goddess Kumari; roads close.

  • Dashain check

    Lunar calendar, moves yearly · Citywide

    The biggest national festival; offices and shops close for days and transport is booked out.

  • Teej and Gai Jatra

    Aug–Sep · Nepal

    Women in red at Pashupatinath (Teej); comic processions in Kathmandu (Gai Jatra).

Crowds and prices

Crowds · Nepal overall
Medium
Prices · Nepal overall
Medium

Nepal overall: Rain eases late in the month; Indra Jatra in Kathmandu; treks start again.

Compare two months

Weather, crowds and prices for any two months in Kathmandu, side by side.

  • Verdict

    Sep: Mixed

    Oct: Great (better)

  • Daytime high

    Sep: 27 °C (81 °F)

    Oct: 26 °C (79 °F)

  • Night low

    Sep: 18 °C (64 °F)

    Oct: 13 °C (55 °F)

  • Rain days

    Sep: 15

    Oct: 4 (better)

  • Crowds

    Sep: Medium

    Oct: High

  • Prices

    Sep: Medium

    Oct: High

  • Festivals listed

    Sep: 3

    Oct: 2

September: Rain tapering; Dashain can start (dates move yearly).

October: Clearest skies; Dashain and Tihar crowds, closures and sold-out transport.

Kathmandu: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Nepal in September →