Weather in Fukuoka in September
September in Fukuoka is mild with average temperatures around 23.1°C (73.6°F). Expect significant rainfall with 189mm across approximately 13 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
27.1°C
80.8°F
Low
19.0°C
66.2°F
Precipitation
189 mm
7.4 inches
~13 rainy days
Conditions
Humidity
85%
Comparison to Adjacent Months
September is 3.7°C cooler than August.
September is 5.7°C warmer than October, 81mm wetter than October.