Japan in september: average Weather, Temperature and Climate, Where to go?
How are weather conditions in Japan in september? Is it the best time to visit Matsue and Naha (Okinawa)? Check out weather averages and our advices on this page.
tolerable weather across 18% of the territory good weather across 82% of the territory
Weather in Japan in september 2021
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
Weather at 6am
74°F
Clear/Sunny
35% of time
28%
18%
14%
Weather at 12pm
81°F
Clear/Sunny
39% of time
30%
17%
12%
Weather at 6pm
77°F
Clear/Sunny
42% of time
28%
16%
12%
Weather at 3am
74°F
38%
32%
23%
4%
Where to go in Japan in september?
Where to go in Japan in september: destination map





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 77°F (for an average temperature of 79°F). The climate quite enjoyable in this city in september. With 2.2in over 8 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 | 77°F | ||
Sea temperature | 78°F | ||
Rainfall | 2.2in | ||
Number of days with rainfall | 8 day(s) (25%) | ||
Humidity | 71% | ||
Daily sunshine hours | 11 | ||
Cloud cover | 41% | ||
Length of day | 12:25 | ||
Our opinion at whereandwhen.net | good |
Climate in Kobe in september
In the month of september, the mean temperature in Kobe is 79°F (maximum temperature is 81°F and minimum temperature is 76°F). The climate comfortable in that locality in this month. With 4.2in over 12 days, you will suffer the rain for your stay. Consider to bring rain clothes.
With proper weather, the month of september is okay (but not good time) for traveling in Kobe.
September | |||
Average temperature | 79°F | ||
Highest temperature | 81°F | ||
Lowest temperature | 76°F | ||
Sea temperature | 80°F | ||
Rainfall | 4.2in | ||
Number of days with rainfall | 12 day(s) (41%) | ||
Humidity | 78% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 37% | ||
Length of day | 12:24 | ||
Our opinion at whereandwhen.net | good |
Climate in Kyoto in september
In september, maximum temperature is 81°F and minimum temperature is 67°F (for an average temperature of 74°F). The climate nice in that area in september. With 4in over 12 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 | 74°F | ||
Highest temperature | 81°F | ||
Lowest temperature | 67°F | ||
Rainfall | 4in | ||
Number of days with rainfall | 12 day(s) (38%) | ||
Humidity | 92% | ||
Daily sunshine hours | 11 | ||
Cloud cover | 50% | ||
Length of day | 12:24 | ||
Our opinion at whereandwhen.net | good |
Climate in Osaka in september
In the month of september, the mean temperature in Osaka is 77°F (maximum temperature is 83°F and minimum temperature is 70°F). The climate pleasant around this city in september. With 2.8in over 10 days, rainfall can happen during your vacations. But this is rather reasonably and it is only of temporary showers.
With good weather conditions, the month of september is an advisable month to go in this city.
September | |||
Average temperature | 77°F | ||
Highest temperature | 83°F | ||
Lowest temperature | 70°F | ||
Sea temperature | 80°F | ||
Rainfall | 2.8in | ||
Number of days with rainfall | 10 day(s) (33%) | ||
Humidity | 86% | ||
Daily sunshine hours | 12 | ||
Cloud cover | 37% | ||
Length of day | 12:24 | ||
Our opinion at whereandwhen.net | good |
Climate in Sapporo (Hokkaido) in september
In the month of september, maximum temperature is 70°F and minimum temperature is 58°F (for an average temperature of 65°F). The climate comfortable there in the month of september. With 3.5in over 12 days, you will experience some showers for your vacations. But this is pretty reasonably and it is only of temporary showers.
With a correct climate, september is okay (but not the best time) for traveling in that area.
September | |||
Average temperature | 65°F | ||
Highest temperature | 70°F | ||
Lowest temperature | 58°F | ||
Sea temperature | 70°F | ||
Rainfall | 3.5in | ||
Number of days with rainfall | 12 day(s) (39%) | ||
Humidity | 92% | ||
Daily sunshine hours | 11 | ||
Cloud cover | 43% | ||
Length of day | 12:31 | ||
Our opinion at whereandwhen.net | good |
All cities in Japan in september
Tokyo in september | good weather |
Kobe in september | good weather |
Kyoto in september | good weather |
Osaka in september | good weather |
Sapporo (Hokkaido) in september | good weather |
Naha (Okinawa) in september | tolerable weather |
Aomori in september | good weather |
Fukuoka in september | good weather |
Hakodate in september | good weather |
Hakone in september | good weather |
Hiroshima in september | good weather |
Ise in september | good weather |
Ishigaki-jima in september | tolerable weather |
Izu in september | tolerable weather |
Kagoshima (Kyushu) in september | tolerable weather |
Kamakura in september | good weather |
Kanazawa in september | good weather |
Karuizawa in september | tolerable weather |
Kitakyushu in september | good weather |
Kochi in september | good weather |
Kumamoto in september | good weather |
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.