Weather in Kolkata in September
September in Kolkata is warm with average temperatures around 28.0°C (82.4°F). Expect significant rainfall with 259mm across approximately 24 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
30.5°C
86.9°F
Low
25.5°C
77.9°F
Precipitation
259 mm
10.2 inches
~24 rainy days
Conditions
Humidity
89%
Comparison to Adjacent Months
September is 50mm drier than August.
September is 113mm wetter than October.