When to go · Osaka
Osaka in September
Mixed month. Heat and typhoon risk.
Key facts
- Verdict
- Mixed
- Temperature
- 30°C (86°F)86°F (30°C) / 22°C (72°F)72°F (22°C)
- average high / low
- Rain days
- 10
- Crowds
- Medium
- Japan overall
- Prices
- Medium
- Japan overall
Verdict
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
- OsakaHighs around 30 °C (86 °F), lows around 22 °C (72 °F), rain on about 10 daysHighs around 86 °F (30 °C), lows around 72 °F (22 °C), 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)86 °F (30 °C)
May: 25 °C (77 °F)77 °F (25 °C)
Night low
Sep: 22 °C (72 °F)72 °F (22 °C)
May: 16 °C (61 °F)61 °F (16 °C)
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