Is Tokyo nice in September?

In early September, the city is still experiencing high heat and humidity. But later in the month the heat relents, and the weather is often very pleasant. The average temperature is 23.3? (74?), with highs of 27.5? (81?) and lows of 20.3? (69?).



Tokyo in September 2026 is a month of dramatic transition, offering a mix of lingering summer intensity and the first hints of autumn relief. During the first half of the month, the weather remains quite hot and humid, with daytime temperatures often exceeding 30°C (86°F), making it feel similar to August. However, as the month progresses, the evenings become noticeably cooler and more comfortable for walking. September is also the peak of the typhoon season in Japan; while direct hits on Tokyo are not daily occurrences, travelers should be prepared for sudden heavy rainfall and potential transit disruptions. Despite the rain, it is a "nice" time to visit because the summer crowds begin to thin, and the city hosts unique events like the Tokyo Festival (a performing arts showcase) and the Cosmos Festival at Showa Kinen Park, where 4 million flowers come into bloom. The city’s vibrant autumn fireworks also make a return, particularly the Kita City Fireworks, which are some of the most spectacular in the Kanto region. Overall, September in Tokyo is an energetic, visually stunning time for those who don’t mind the occasional tropical storm or humid morning.

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