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

In September, Chennai averages 35°C high / 25°C low with about 105 mm of rain; Mumbai averages 31°C high / 25°C low with about 467 mm.

Chennai vs Mumbai in September

Chennai is the better pick in September — 58 vs 43 on SeasonMap's comfort score. Chennai is sweltering, rainy, muggy air, while Mumbai is sweltering, soaked, muggy air.

Chennai vs Mumbai — September climate, side by side

	Chennai	Mumbai
Comfort score	58/100 (D)	43/100 (F)
Feels-like high	40°C	37°C
Avg high / low	35° / 25°	31° / 25°
Rainfall	105 mm	467 mm
Rainy days	17	27
Humidity	76%	87%
Air quality (AQI)	66	65

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

Chennai vs Mumbai in September — FAQ

Is September better in Chennai or Mumbai?: Chennai is the better pick in September — 58 vs 43 on SeasonMap's comfort score. Chennai is sweltering, rainy, muggy air, while Mumbai is sweltering, soaked, muggy air.
What is the weather like in Chennai vs Mumbai in September?: In September, Chennai averages 35°C high / 25°C low with about 105 mm of rain; Mumbai averages 31°C high / 25°C low with about 467 mm.