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When to go · Nikko

Nikko in September

Mixed month. Outside the best window (May–Jun, mid-Oct). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Key facts

Verdict
Mixed
Temperature
23°C (73°F) / 14°C (57°F)
average high / low
Rain days
13
Crowds
Medium
Japan overall
Prices
Medium
Japan overall

Verdict

MixedJapan month rating

Outside the best window (May–Jun, mid-Oct). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Is another month better than September?

September is rated mixed. These months rate higher:

Weather in September

Long-term averages
  • NikkoHighs around 23 °C (73 °F), lows around 14 °C (57 °F), rain on about 13 days

Crowds and prices

Crowds · Japan overall
Medium
Prices · Japan overall
Medium

Japan overall: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Compare two months

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

  • Verdict

    Sep: Mixed

    May: Great (better)

  • Daytime high

    Sep: 23 °C (73 °F)

    May: 19 °C (66 °F)

  • Night low

    Sep: 14 °C (57 °F)

    May: 8 °C (46 °F)

  • Rain days

    Sep: 13

    May: 11 (better)

  • Crowds

    Sep: Medium

    May: Medium

  • Prices

    Sep: Medium

    May: Medium

  • Festivals listed

    Sep: 0

    May: 1

September: Outside the best window (May–Jun, mid-Oct). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

May: Inside Nikko's best window: May–Jun, mid-Oct.

Nikko: 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 Japan in September →