What is the weather like in Kolkata vs Mumbai in September?

In September, Kolkata averages 32°C high / 27°C low with about 285 mm of rain; Mumbai averages 31°C high / 25°C low with about 467 mm.

Kolkata vs Mumbai in September

Kolkata and Mumbai are nearly tied in September — 41 vs 43 on SeasonMap's comfort score. Kolkata is sweltering, soaked, muggy air; Mumbai is sweltering, soaked, muggy air.

Kolkata vs Mumbai — September climate, side by side

	🇮🇳 Kolkata	🇮🇳 Mumbai
Comfort score	41/100 (F)	43/100 (F)
Feels-like high	39°C	37°C
Avg high / low	32° / 27°	31° / 25°
Rainfall	285 mm	467 mm
Rainy days	26	27
Humidity	87%	87%
Air quality (AQI)	74	65

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Kolkata vs Mumbai in September — FAQ

Is September better in Kolkata or Mumbai?: Kolkata and Mumbai are nearly tied in September — 41 vs 43 on SeasonMap's comfort score. Kolkata is sweltering, soaked, muggy air; Mumbai is sweltering, soaked, muggy air.
What is the weather like in Kolkata vs Mumbai in September?: In September, Kolkata averages 32°C high / 27°C low with about 285 mm of rain; Mumbai averages 31°C high / 25°C low with about 467 mm.