Click on a day for an hourly weather forecast
The weather in Kitakyushu in September is hot. The average temperatures are between 21°C and 27°C.
You can expect rain for roughly half of the month of September in Kitakyushu. 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 Kitakyushu in September 2025.
If you’re planning to visit Kitakyushu in the near future, we highly recommend that you review the 14 day weather forecast for Kitakyushu before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 4° | 9 | 16 | 7 | 106 mm | Awful | Kitakyushu in January |
| February | 10° / 5° | 8 | 16 | 4 | 122 mm | Awful | Kitakyushu in February |
| March | 14° / 8° | 8 | 23 | 0 | 137 mm | Ok | Kitakyushu in March |
| April | 18° / 11° | 7 | 23 | 0 | 152 mm | Ok | Kitakyushu in April |
| May | 22° / 15° | 7 | 24 | 0 | 163 mm | Ok | Kitakyushu in May |
| June | 25° / 19° | 11 | 19 | 0 | 345 mm | Good | Kitakyushu in June |
| July | 29° / 23° | 12 | 19 | 0 | 372 mm | Ok | Kitakyushu in July |
| August | 31° / 25° | 9 | 22 | 0 | 266 mm | Ok | Kitakyushu in August |
| September | 27° / 21° | 9 | 21 | 0 | 217 mm | Good | Kitakyushu in September |
| October | 22° / 17° | 5 | 26 | 0 | 125 mm | Good | Kitakyushu in October |
| November | 17° / 12° | 5 | 25 | 0 | 121 mm | Good | Kitakyushu in November |
| December | 11° / 7° | 9 | 19 | 3 | 128 mm | Awful | Kitakyushu in December |