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Voykit

When to go · Osaka

Osaka in September

Mixed month. Heat and typhoon risk.

Key facts

Verdict
Mixed
Temperature
30°C (86°F) / 22°C (72°F)
average high / low
Rain days
10
Crowds
Medium
Japan overall
Prices
Medium
Japan overall

Verdict

MixedVoykit month rating for Osaka

Heat and typhoon risk.

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
  • OsakaHighs around 30 °C (86 °F), lows around 22 °C (72 °F), rain on about 10 days
  • Honshū cities, Japan · Tokyo, Kyoto, Osaka, Hiroshimastorm or typhoon risk

    Rainy season June to mid-July; humid heat July–August; typhoon risk peaks in September.

Autumn season

Danjiri floats in Kishiwada, gold ginkgo on Midōsuji in late November, comfortable walking weather.

Watch: Typhoons in September.

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.

  • Typhoon season

    Peaks late August–September · Whole city

    Trains and KIX flights can stop for a day; watch the forecast two days out.

  • Kishiwada Danjiri Matsuri check

    Mid-September weekend; a second round in October in nearby districts (check) · Kishiwada, 30 min south on Nankai

    Heavy wooden floats pulled at a run round corners; trains packed.

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 Osaka, side by side.

  • Verdict

    Sep: Mixed

    May: Great (better)

  • Daytime high

    Sep: 30 °C (86 °F)

    May: 25 °C (77 °F)

  • Night low

    Sep: 22 °C (72 °F)

    May: 16 °C (61 °F)

  • Rain days

    Sep: 10

    May: 10

  • Crowds

    Sep: Medium

    May: Medium

  • Prices

    Sep: Medium

    May: Medium

  • Festivals listed

    Sep: 2

    May: 1

September: Heat and typhoon risk.

May: Avoid Golden Week.

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

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast
  • A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Across Japan in September →