Month guide · Osaka · Japan
Osaka in September
What September is really like in Osaka: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Quick answer
September is a shoulder-season month. Expect average highs of 30°C (86°F), lows of 22°C (72°F), about 11 rainy days and roughly 12.3 hours of daylight. Still hot early on and the peak of typhoon season; cooler by late month.
Key facts
- Average high / low
- 30°C (86°F) / 22°C (72°F)
- Rainy days
- About 11
- Daylight
- About 12.3 hours
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 3rd-warmest month in Osaka: days average 30°C (86°F) against a yearly average high of 21°C (70°F), and nights fall to about 22°C (72°F). Rain falls on roughly 11 of its 30 days. Compared with August (34°C (93°F)), September is cooler; by October highs drop to around 24°C (75°F).
- Sunrise (15 September)
- About 05:41
- Sunset (15 September)
- About 18:05
- Daylight
- About 12.3 hours
Autumn (September–November). Typhoon risk and heat in September, then clear, comfortable weather and red leaves in November.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is April at 5) and 3 for hotel prices (highest in April). Prices sit in the middle of the year's range.
Events in September
- Kishiwada Danjiri Matsuri — huge wooden floats raced through Kishiwada's streets (usually mid-September)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Street · Tenma
Tenjinbashisuji shopping street
Start at Osaka Tenmangu, walk north and finish with dinner in the Tenma izakaya lanes.
- Time needed
- 2 hours
- Cost
- Free
- Free
- Shopping
- Food
- Rainy day
Castle · Chuo
Osaka Castle
Toyotomi Hideyoshi's castle, begun in 1583, was the centre of the struggle that unified Japan.
- Time needed
- 2–3 hours
- Cost
- Low cost
- Iconic
- History
- Kids
- Outdoors
- Views
Street · Namba
Dotonbori
Take a short canal cruise in the evening for a different angle on the neon, then eat your way along the street.
- Time needed
- 2 hours
- Cost
- Free
- Iconic
- Free
- After dark
- Food
- Photo spot
Viewpoint · Umeda
Umeda Sky Building Floating Garden Observatory
Two 40-storey towers are joined at the top by a ring-shaped observatory reached by glass-tube escalators that cross the open space between them.
- Time needed
- 1 hour
- Cost
- Mid-priced
- Views
- After dark
- Couples
- Architecture
- Iconic
What to pack
For highs near 30°C, lows near 22°C and 11 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Osaka?
A shoulder-season month, with a notable event on the calendar. If your dates are flexible, March–May and October–November are better overall. Compare every month.
Osaka in other months
Questions travellers ask
+Is September a good time to visit Osaka?
It is a shoulder-season month. Still hot early on and the peak of typhoon season; cooler by late month.
+How warm is Osaka in September?
Average highs are around 30°C (86°F) and lows around 22°C (72°F).
+Does it rain a lot in Osaka in September?
Expect rain on about 11 days of the month.