Weather in Japan in september 2025

Below, you have access to the weather forecast for the month of september for most popular cities in Japan. These datas are statistics for september from weather reports for over 10 years. The percentage indicates the possibility of having the weather mentioned.

Average weather in september in Tokyo

good weather UV index: 7

Weather at 6am
74°F

Partly Cloudy

26%

Moderate rain at times

18%

Cloudy

12%

Weather at 12pm
83°F

Moderate rain at times

26%

Partly Cloudy

23%

Heavy rain

8%

Weather at 6pm
79°F

Moderate rain at times

27%

Partly Cloudy

20%

Heavy rain

10%

Weather at 3am
76°F

Clear/Sunny

32%

Partly Cloudy

29%

Cloudy

17%

Moderate rain at times

15%

More information about the weather in Tokyo in september



Where to go in Japan in september?

Where to go in Japan in september: destination map

Japan: weather map in september in different regions
Japan: weather map in september in different regions ©whereandwhen.net

Download the map

Where to go in each region in september?

Chūbu
(Nagoya, Kanazawa, Nagano...)
72°F to 85°F8 à 13 days77°F to 79°F
tolerable weather*
Chūgoku
(Hiroshima, Okayama, Izumo...)
77°F to 83°F6 à 12 days79°F to 81°F
good weather*
Hokkaidō
(Sapporo (Hokkaido), Hakodate, Abashiri...)
65°F to 72°F5 à 10 days63°F to 70°F
good weather
Kansai
(Osaka, Kyoto, Kobe...)
77°F to 85°F7 à 13 days79°F to 83°F
tolerable weather*
Kantō
(Tokyo, Hakone, Nikko...)
77°F to 83°F6 à 11 days74°F to 81°F
good weather*
Kyushu
(Fukuoka, Kagoshima (Kyushu), Nagasaki...)
79°F to 85°F8 à 13 days79°F to 85°F
tolerable weather*
Ogasawara
(Ogasawara Islands...)
85°F9 days
good weather
Okinawa
(Naha, Nago, Miyakojima...)
85°F to 86°F10 à 13 days83°F to 85°F
tolerable weather*
Shikoku
(Kochi, Tokushima, Takamatsu...)
79°F to 83°F8 à 13 days81°F to 83°F
tolerable weather*
Tōhoku
(Sendai (Honshu), Aomori, Akita...)
72°F to 77°F5 à 10 days70°F to 76°F
good weather
*over most of the region. Weather may vary locally.


Where should you go in Japan in september when it comes to the weather?

Remember:
The climate in Japan in september ranges from good to tolerable depending on the region and city.

Climatic conditions in Japan are improving as rainfall continues to decline and temperatures continue to decrease while a pleasant heat favors the atmosphere - especially in the daytime. Most of the time, the climate throughout September in Japan is pleasant.

North of Japan in September

Lower temperatures result in freshness and the appearance of morning fog on the island of Hokkaido. Even if rainfall regresses slightly, it is still present - especially in the daytime.

The Center of Japan in September

All locations on the Honshu Island are favored by a pleasant weather in Japan throughout September. The heat is comfortable from morning until night, despite the foggy mornings of Kyoto and Sendai.

South-West of Japan in September

The islands of the south see their climate improve considerably. Climatic conditions in Kagoshima allow to enjoy beautiful sunny days. Even if the heat in Naha is still high, the days are generally pleasant.


Climate in Japan in september

Climate in Tokyo in september

In the month of september, maximum temperature is 83°F and minimum temperature is 74°F (for an average temperature of 79°F). The climate quite enjoyable in this city in september. With 5.5in over 6 days, you will experience some showers during your trip. But this is pretty reasonably and it is only of temporary showers.
With good weather conditions, the month of september is a good month to go in Tokyo in Japan.

September
Average temperature 79°F
Highest temperature 83°F
Lowest temperature 74°F
Sea temperature 78°F
Rainfall 5.5in
Number of days with rainfall 6 day(s)
(22%)
Humidity 80%
Daily sunshine hours 11
Cloud cover 42%
Length of day 12:25
Our opinion at whereandwhen.net good
more information about the climate in Tokyo in september

Climate in Fukuoka in september

In september, the mean temperature in Fukuoka is 77°F (maximum temperature is 83°F and minimum temperature is 72°F). The climate quite enjoyable in this city in september. With 8.9in over 9 days, rainfall can happen during your journey. But this is rather reasonably and you will not be too bothered by it.
With a good weather, the month of september is a good month to go in this locality in Japan.

September
Average temperature 77°F
Highest temperature 83°F
Lowest temperature 72°F
Sea temperature 79°F
Rainfall 8.9in
Number of days with rainfall 9 day(s)
(30%)
Humidity 86%
Daily sunshine hours 11
Cloud cover 41%
Length of day 12:23
Our opinion at whereandwhen.net good
more information about the climate in Fukuoka in september

Climate in Hiroshima in september

In the month of september, maximum temperature is 83°F and minimum temperature is 67°F (for an average temperature of 76°F). The climate enjoyable around this city in this month. With 8.3in over 8 days, rainfall can happen during your trip. But this is reasonably and you will not be too bothered by it.
With good weather conditions, september is a good time to go in Hiroshima.

September
Average temperature 76°F
Highest temperature 83°F
Lowest temperature 67°F
Sea temperature 78°F
Rainfall 8.3in
Number of days with rainfall 8 day(s)
(28%)
Humidity 92%
Daily sunshine hours 12
Cloud cover 40%
Length of day 12:24
Our opinion at whereandwhen.net good
more information about the climate in Hiroshima in september

Climate in Kochi in september

In the month of september, the mean temperature in Kochi is 77°F (maximum temperature is 83°F and minimum temperature is 72°F). The climate good there in this month. With 8.5in over 8 days, you risk getting wet slightly throughout your journey. But this is rather moderate and it is only of temporary showers.
With good weather conditions, the month of september is a good month to go in this locality in Japan.

September
Average temperature 77°F
Highest temperature 83°F
Lowest temperature 72°F
Sea temperature 81°F
Rainfall 8.5in
Number of days with rainfall 8 day(s)
(25%)
Humidity 87%
Daily sunshine hours 12
Cloud cover 37%
Length of day 12:24
Our opinion at whereandwhen.net good
more information about the climate in Kochi in september

Climate in Kyoto in september

In september, maximum temperature is 83°F and minimum temperature is 68°F (for an average temperature of 76°F). The climate nice in that area in september. With 9.6in over 9 days, you risk getting wet slightly for your trip. But this is pretty moderate and it is only of temporary showers.
With a good climate, september is a good month to go in this city.

September
Average temperature 76°F
Highest temperature 83°F
Lowest temperature 68°F
Rainfall 9.6in
Number of days with rainfall 9 day(s)
(30%)
Humidity 92%
Daily sunshine hours 11
Cloud cover 48%
Length of day 12:24
Our opinion at whereandwhen.net good
more information about the climate in Kyoto in september


All cities in Japan in september

Tokyo in septembergood weather
Fukuoka in septembergood weather
Hiroshima in septembergood weather
Kochi in septembergood weather
Kyoto in septembergood weather
Nagoya in septembergood weather
Okinawa in septembergood weather
Osaka in septembergood weather
Sapporo (Hokkaido) in septembergood weather
Abashiri in septembergood weather
Akita in septembergood weather
Aomori in septembergood weather
Hakodate in septembergood weather
Hakone in septembergood weather
Ogasawara Islands in septembergood weather
Izumo in septembertolerable weather
Kagoshima (Kyushu) in septembertolerable weather
Kanazawa in septembertolerable weather
Kobe in septembertolerable weather
Miyakojima in septembertolerable weather
Nagano in septembergood weather
See full list of cities (134)


Weather data for Japan in september:

Weather data for Japan in september is derived from an average of the weather forecast since 2009 in Japan. There is a margin of error and these forecasts are to be considered as general information only. The weather in Japan can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Japan.


Change units