Osaka Weather in September
Japan · 30-year monthly averages
🤔 Fair time to visit
September in Osaka is warm, with average daytime highs around 30°C (85°F) and nighttime lows near 22°C (71°F). Expect roughly 153mm of precipitation spread over about 10 rainy days, and this is one of the wetter months.
Avg high
30°C
85°F
Avg low
22°C
71°F
Rainfall
153mm
rainy
Rainy days
10
days with ≥1mm
☀️ About 162 hours of sunshine over the month (~5h/day).
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
- compact umbrella or rain jacket
September vs the rest of the year
FAQ
- How hot is Osaka in September?
- September in Osaka is warm, with average daytime highs around 30°C (85°F) and nighttime lows near 22°C (71°F). Expect roughly 153mm of precipitation spread over about 10 rainy days, and this is one of the wetter months.
- Does it rain a lot in Osaka in September?
- Osaka sees around 153mm of precipitation in September on average — rainy by global standards.
- Is September a good time to visit Osaka?
- September is a workable month to visit Osaka, but expect some weather trade-offs.