Weather in September 2025

Kumamoto weather in September 2025

The weather in Kumamoto in September is hot. The average temperatures are between 22°C and 28°C.

You can expect rain for roughly half of the month of September in Kumamoto. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.

Our weather forecast can give you a great sense of what weather to expect in Kumamoto in September 2025.

If you’re planning to visit Kumamoto in the near future, we highly recommend that you review the 14 day weather forecast for Kumamoto before you arrive.

Temperatures
Temperatures
28° / 22°
Rainy Days
Rainy Days
8
Snowy Days
Snowy Days
0
Dry Days
Dry Days
22
Rainfall
Rainfall
254
mm
10.6
Sun Hours
10.6
Hrs

Kumamoto annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 10° / 4° 7 19 6 111 mm
Awful
February 11° / 5° 7 17 4 164 mm
Awful
March 14° / 8° 8 22 1 187 mm
Ok
April 19° / 12° 7 23 0 183 mm
Ok
May 23° / 16° 7 24 0 243 mm
Good
June 25° / 20° 12 18 0 534 mm
Good
July 28° / 24° 14 17 0 507 mm
Good
August 30° / 25° 10 21 0 315 mm
Ok
September 28° / 22° 8 22 0 254 mm
Good
October 23° / 17° 5 26 0 138 mm
Perfect
November 18° / 12° 5 25 0 143 mm
Good
December 11° / 6° 7 21 3 124 mm
Awful
Temperatures in Kumamoto in September
Rain in Kumamoto in September

Recommended Hotels in Kumamoto

We know that finding the ideal hotel in Kumamoto can be a hard task...

That’s why we run our special tools and found the best hotels in Kumamoto. Click on hotel for more details.

Weather in Kumamoto in September - FAQ

What is the average temperature in Kumamoto in September?
The average temperature in Kumamoto in September is 22/28° C.
What is the chance of rain in Kumamoto in September?
On average, there are 8 rainy days in Kumamoto during September.
Weather wise, is September a good time to visit Kumamoto?
The weather in Kumamoto in September is good.
Can it snow in Kumamoto in September?
On average, there are 0 snowy days in Kumamoto in September.
More about the weather in Kumamoto