What is the weather like in Koh Rong vs Penang in September?

In September, Koh Rong averages 29°C high / 26°C low with about 545 mm of rain; Penang averages 30°C high / 24°C low with about 237 mm.

Koh Rong vs Penang in September

Penang is the better pick in September — 68 vs 51 on SeasonMap's comfort score. Penang is sweltering, soaked, muggy air, while Koh Rong is sweltering, soaked, clean air.

Koh Rong vs Penang — September climate, side by side

	Koh Rong	Penang
Comfort score	51/100 (D)	68/100 (C)
Feels-like high	35°C	36°C
Avg high / low	29° / 26°	30° / 24°
Rainfall	545 mm	237 mm
Rainy days	29	26
Humidity	88%	83%
Air quality (AQI)	37	63

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

Koh Rong vs Penang in September — FAQ

Is September better in Koh Rong or Penang?: Penang is the better pick in September — 68 vs 51 on SeasonMap's comfort score. Penang is sweltering, soaked, muggy air, while Koh Rong is sweltering, soaked, clean air.
What is the weather like in Koh Rong vs Penang in September?: In September, Koh Rong averages 29°C high / 26°C low with about 545 mm of rain; Penang averages 30°C high / 24°C low with about 237 mm.