Weather September in Tokyo, Japan
September falls in the rainy season.
The average maximum temperature lies around 26.0°C (78.8°F).
You will see the sun sometimes in this month, it has 110 hours of sun.
So what to wear in September? Visitors traveling to Tokyo should plan on bringing a totally waterproof rain jacket since it will be raining some days.
Also bring your shorts and or a skirt because it can be very warm or even hot.
For other monthly weather averages and what to do in September look at the numbers below.