Kumamoto Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Kumamoto, Japan in September.

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Kumamoto Minamioguni Aso Hitoyoshi

Planning a journey to Kumamoto, Japan this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Kumamoto in September

Kumamoto, Japan is a region in Japan. September in Kumamoto generally has warm temperatures, with heavy precipitation. September is a summer month.

Temperatures

The average maximum temperatures are warm and range from 28°C (82°F) in Takamori to 30°C (86°F) in Kami Amakusa. Nighttime temperatures generally drop to 23°C (73°F) in Kami Amakusa and 18°C (64°F) in Takamori.

To explore the conditions in Kumamoto, Japan in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Kumamoto with an average of 171 mm (6.7 in) to heavy rainfall in Amakusa with 212 mm (8.3 in).

Average sunshine

Sunshine is moderately available across various locations. In Kumamoto, you can expect around 177 hours of sunlight in September, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Kumamoto by month

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

Best Places to Visit in Kumamoto in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Kumamoto.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Kumamoto

What is the weather like in September for some of the most popular destinations in Kumamoto, Japan?

Temperature range in Kumamoto (September)

Precipitation variation in Kumamoto (September)

Kumamoto

In September Kumamoto generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
29°C (84°F)
24°C (75°F)
Min temperature
24°C (75°F)
21°C (70°F)
15°C (59°F)
Monthly sun hours
208 hours
177 hours
189 hours
Monthly rainfall
148 mm (5.8 in)
171 mm (6.7 in)
99 mm (3.9 in)
Monthly rainy days
18 days
17 days
13 days
Weather conditions
tolerable
pleasant
perfect
Climate in Kumamoto →

Minamioguni

In September Minamioguni generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
28°C (82°F)
23°C (73°F)
Min temperature
22°C (72°F)
18°C (64°F)
12°C (54°F)
Monthly sun hours
208 hours
177 hours
189 hours
Monthly rainfall
173 mm (6.8 in)
192 mm (7.6 in)
110 mm (4.3 in)
Monthly rainy days
19 days
18 days
13 days
Weather conditions
tolerable
tolerable
pleasant
Climate in Minamioguni →

Aso

In September Aso generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
28°C (82°F)
23°C (73°F)
Min temperature
22°C (72°F)
18°C (64°F)
11°C (52°F)
Monthly sun hours
208 hours
177 hours
189 hours
Monthly rainfall
175 mm (6.9 in)
192 mm (7.6 in)
109 mm (4.3 in)
Monthly rainy days
19 days
18 days
13 days
Weather conditions
tolerable
tolerable
pleasant
Climate in Aso →

Hitoyoshi

In September Hitoyoshi generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
29°C (84°F)
24°C (75°F)
Min temperature
23°C (73°F)
19°C (66°F)
13°C (55°F)
Monthly sun hours
208 hours
177 hours
189 hours
Monthly rainfall
186 mm (7.3 in)
202 mm (8 in)
112 mm (4.4 in)
Monthly rainy days
19 days
18 days
13 days
Weather conditions
unpleasant
unpleasant
pleasant
Climate in Hitoyoshi →

Minami Aso

In September Minami Aso generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
28°C (82°F)
23°C (73°F)
Min temperature
22°C (72°F)
18°C (64°F)
12°C (54°F)
Monthly sun hours
208 hours
177 hours
189 hours
Monthly rainfall
168 mm (6.6 in)
187 mm (7.4 in)
105 mm (4.1 in)
Monthly rainy days
19 days
18 days
13 days
Weather conditions
tolerable
tolerable
pleasant
Climate in Minami Aso →

Is your destination not in the list? Have a look at all destinations in Kumamoto, in Japan.

Popular cities in September

Day & night temperatures, rainfall and average weather in Kumamoto in September.

City Weather Day temp Night temp Rainfall
Kumamoto 29°C (84°F) 21°C (70°F) 171 mm (6.7 in)
Minamioguni 28°C (82°F) 18°C (64°F) 192 mm (7.6 in)
Aso 28°C (82°F) 18°C (64°F) 192 mm (7.6 in)
Hitoyoshi 29°C (84°F) 19°C (66°F) 202 mm (8 in)
Minami Aso 28°C (82°F) 18°C (64°F) 187 mm (7.4 in)
Yatsushiro 29°C (84°F) 22°C (72°F) 192 mm (7.6 in)

Kumamoto weather in September: frequently asked questions

What is the weather like in Kumamoto, Japan in September?

September in Kumamoto, Japan brings pleasant weather. In Kumamoto, daytime temperatures are typically around 29°C (84°F) and nighttime lows hover near 21°C (70°F).

What is the average temperature in Kumamoto, Japan in September?

Average temperatures in Kumamoto, Japan during September range from a nighttime low near 21°C (70°F) to a daytime high around 29°C (84°F) in Kumamoto.

Does Kumamoto, Japan get a lot of rain in September?

Expect plenty of rainfall. Kumamoto records an average of 171 mm (6.7 in) in September, putting it among the wetter months for Kumamoto, Japan.

Is September a Good Time to Visit Kumamoto, Japan?

Given the typically pleasant weather conditions in Kumamoto, September might be a good time to visit Kumamoto, Japan. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in October offering mostly perfect weather in Kumamoto. The weather in February, June and July, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Kumamoto.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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