What to expect in Tokyo in September
September is usually the wrong time for Tokyo: 27° / 21°. Consider November · April instead.
Tokyo weather in September
Typical conditions in Tokyo during September, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 27°C 81°F |
|---|---|
| Average low | 21°C 70°F |
| Rainfall | Wet 55/100 |
| How it feels | Warm and comfortable |
Average highs sit around 27°C with lows near 21°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are Low for Tokyo — plenty of space at the main sights.
Prices & value
Prices run low season this month: some of the best deals of the year.
What to pack
Light layers for 27°C days and something with sleeves for evenings, which cool to around 21°C. Add a compact rain shell and shoes you do not mind soaking; this is one of the wetter months.
What it costs
This is one of the cheaper months to visit Tokyo. Flights and accommodation sit near their yearly floor, and you can usually book late without being punished for it. Compared with the most expensive month of the year, you are looking at roughly 53% less.
Who this month suits
- Anyone travelling on a budget
- People who would rather have space than perfect conditions
Events & what’s on
No major festivals fall in September, so the destination feels like its everyday self.
Tokyo in September compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| July | 29° / 22° | Moderate | $$ | 61 |
| August | 31° / 24° | High | $$ | 47 |
| September · This month | 27° / 21° | Low | $ | 67 |
| October | 22° / 15° | Moderate | $$ | 62 |
| November | 17° / 9° | High | $$$ | 45 |
These months score higher for Tokyo on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in September
If the destination is negotiable but the month is not, these places are at their best in September.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated August 2026
