Weather in Yokohama in September
September in Yokohama is mild with average temperatures around 22.4°C (72.3°F). Expect significant rainfall with 215mm across approximately 15 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
26.4°C
79.5°F
Low
18.4°C
65.1°F
Precipitation
215 mm
8.5 inches
~15 rainy days
Conditions
Humidity
84%
Comparison to Adjacent Months
September is 3.8°C cooler than August, 60mm wetter than August.
September is 6.0°C warmer than October.