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

In September, Chennai averages 35°C high / 25°C low with about 105 mm of rain; Colombo averages 30°C high / 26°C low with about 238 mm.

Chennai vs Colombo in September

Chennai and Colombo are nearly tied in September — 58 vs 55 on SeasonMap's comfort score. Chennai is sweltering, rainy, muggy air; Colombo is sweltering, soaked, clean air.

Chennai vs Colombo — September climate, side by side

	Chennai	Colombo
Comfort score	58/100 (D)	55/100 (D)
Feels-like high	40°C	35°C
Avg high / low	35° / 25°	30° / 26°
Rainfall	105 mm	238 mm
Rainy days	17	28
Humidity	76%	86%
Air quality (AQI)	66	50

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

Chennai vs Colombo in September — FAQ

Is September better in Chennai or Colombo?: Chennai and Colombo are nearly tied in September — 58 vs 55 on SeasonMap's comfort score. Chennai is sweltering, rainy, muggy air; Colombo is sweltering, soaked, clean air.
What is the weather like in Chennai vs Colombo in September?: In September, Chennai averages 35°C high / 25°C low with about 105 mm of rain; Colombo averages 30°C high / 26°C low with about 238 mm.