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