Weather in Shanghai in September
September in Shanghai is mild with average temperatures around 24.9°C (76.8°F). Expect significant rainfall with 136mm across approximately 12 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
28.2°C
82.8°F
Low
21.6°C
70.9°F
Precipitation
136 mm
5.4 inches
~12 rainy days
Conditions
Humidity
78%
Comparison to Adjacent Months
September is 3.9°C cooler than August, 36mm drier than August.
September is 5.2°C warmer than October, 60mm wetter than October.