September · Japan
Best time to visit Tokyo in September Weather, crowds & prices
Weather in Tokyo in September
Average temperature 25°C, 200 mm of rain, about 22 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
5.6/10
Ranked #10 of 12 months
- Avg temp
- 25°C
- Rainfall
- 200 mm
- Humidity
- 79%
- Days with 6h+ sun
- 22
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Tokyo scores 5.6/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 25°C, 200 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Tokyo’s finest days weave quiet contrasts: a hushed shrine at dawn, a tiny lunch counter at noon, and glowing neon districts after dark—best savored in the crisp clarity of late autumn and winter.
September in Tokyo: mixed conditions, plan around the weather
September averages 25°C (76°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 200 mm — wet for this destination — but about 22 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 5.6/10 here, 10th of 12 months, against 7.7/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? December scores 2.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Tokyo in September?
- In September, Tokyo averages 25°C, 200 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 5.6/10.
- Is September a good time to visit Tokyo?
- September earns a 5.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Tokyo in September?
- Expect about 200 mm of rain in September. Average humidity is 79% and there are about 22 days with 6+ hours of sunshine.
Curated in Tokyo
Tickets & experiences
Things to do in Tokyo
Tokyo, Japan. Live activities and tours from GetYourGuide, matched to this destination.