Tokyo weather in September 2026

Q: How hot is it in Tokyo in September?

Daytime temperatures usually reach 27°C in Tokyo in September with low heat and humidity, falling to 20°C at night.

Q: How sunny is it in Tokyo in September?

There are normally 4 hours of bright sunshine each day in Tokyo in September - that's 31% of daylight hours.

Q: How warm is the sea around Tokyo in September?

The average sea temperature around Tokyo in September is 25°C.

Q: Does it rain in Tokyo in September?

There are usually 19 days with some rain in Tokyo in September and the average monthly rainfall is 181mm.

Q: What is the chance of a cyclone in Tokyo in September?

On average 1.4 days in September in Tokyo are likely to be affected by the passage of one or more tropical storms.

Expect daytime maximum temperatures of 81°F in Tokyo, Japan in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 19 days with some rainfall and typically 7.1 inches of rainfall in the month.

81
81°F max day temperature
4
4 hours of sunshine per day
19
19 days with some rainfall
68
68°F min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
7.1
7.1 inches of monthly rainfall
8
8 (Very High) UV index
77
77°F sea temperature

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The September weather guide for Japan (Tokyo) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Japan

How hot is it in Tokyo in September?

Daytime temperatures usually reach 81°F in Tokyo in September with low heat and humidity, falling to 68°F at night.

How sunny is it in Tokyo in September?

There are normally 4 hours of bright sunshine each day in Tokyo in September - that's 31% of daylight hours.

How warm is the sea around Tokyo in September?

The average sea temperature around Tokyo in September is 77°F.

Does it rain in Tokyo in September?

There are usually 19 days with some rain in Tokyo in September and the average monthly rainfall is 7.1 inches.

What is the chance of a typhoon in Tokyo in September?

On average 1.4 days in September in Tokyo are likely to be affected by the passage of one or more tropical storms.

Tokyo September sunrise & sunset times

Browse the sunrise and sunset times for Tokyo in September 2026. Select a month to view Tokyo sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Tuesday, 1st September 2026	05:13	18:09
Tuesday, 15th September 2026	05:23	17:49
Wednesday, 30th September 2026	05:35	17:27

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Japan - quick facts
Flight time^✝	11.5 to 15 hours
Time difference	UK +9 hours
Language(s)	Japanese
Currency	Japanese Yen
Electricity	A + B plug (100V)
Driving side	Left
Why visit?	Culture Nature Nightlife
Tourist info	Japan National Tourism Organization