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

In September, Chennai averages 35°C high / 25°C low with about 105 mm of rain; Pondicherry averages 34°C high / 26°C low with about 96 mm.

Chennai vs Pondicherry in September

Pondicherry is the better pick in September — 80 vs 58 on SeasonMap's comfort score. Pondicherry is sweltering, rainy, while Chennai is sweltering, rainy, muggy air.

Chennai vs Pondicherry — September climate, side by side

	🇮🇳 Chennai	🇮🇳 Pondicherry
Comfort score	58/100 (D)	80/100 (A)
Feels-like high	40°C	39°C
Avg high / low	35° / 25°	34° / 26°
Rainfall	105 mm	96 mm
Rainy days	17	15
Humidity	76%	75%
Air quality (AQI)	66	60

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

Month by month

Chennai vs Pondicherry in September — FAQ

Is September better in Chennai or Pondicherry?: Pondicherry is the better pick in September — 80 vs 58 on SeasonMap's comfort score. Pondicherry is sweltering, rainy, while Chennai is sweltering, rainy, muggy air.
What is the weather like in Chennai vs Pondicherry in September?: In September, Chennai averages 35°C high / 25°C low with about 105 mm of rain; Pondicherry averages 34°C high / 26°C low with about 96 mm.