Tokyo weather
in September
“Mild and bright — an underrated time to visit.”
Roughly 15 rainy days across the month, on average.
In september, Tokyo settles into its warmer, more generous mood. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 27°C (81°F), cooling to 21°C after sunset. Expect meaningful rain — some 15 wet days across the month. Pack accordingly and let the weather choose your afternoons.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Tokyo in September
- •Breathable cotton or linen, and a broad-brimmed hat
- •A compact travel umbrella — one you'll actually carry
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Tokyo in September
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Packable rain jacketAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Waterproof dry bagAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
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Where to stay in Tokyo
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Tokyo in September — FAQ
Q01Is September a good time to visit Tokyo?
Is September a good time to visit Tokyo?
It is a challenging month — you may want to consider another time of year. In September, Tokyo averages a high of 27°C (81°F) and a low of 21°C (69°F), with 215mm of rainfall across roughly 15 rainy days.
Q02What is the average temperature in Tokyo in September?
What is the average temperature in Tokyo in September?
The average high temperature in Tokyo during September is 27°C (81°F), with an average low of 21°C (69°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Tokyo have in September?
How many rainy days does Tokyo have in September?
Tokyo averages approximately 15 rainy days in September, with a total monthly rainfall of about 215mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Tokyo in September?
What should I pack for Tokyo in September?
For Tokyo in September, pack light, breathable clothing (cotton or linen), a compact umbrella or waterproof jacket, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Tokyo in September?
How crowded is Tokyo in September?
Tourist crowds in Tokyo during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.