What is the weather like in Siem Reap vs Sihanoukville in September?

In September, Siem Reap averages 31°C high / 25°C low with about 254 mm of rain; Sihanoukville averages 28°C high / 25°C low with about 530 mm.

Siem Reap vs Sihanoukville in September

Sihanoukville is the better pick in September — 53 vs 49 on SeasonMap's comfort score. Sihanoukville is sweltering, soaked, clean air, while Siem Reap is sweltering, soaked, clean air.

Siem Reap vs Sihanoukville — September climate, side by side

	🇰🇭 Siem Reap	🇰🇭 Sihanoukville
Comfort score	49/100 (F)	53/100 (D)
Feels-like high	37°C	34°C
Avg high / low	31° / 25°	28° / 25°
Rainfall	254 mm	530 mm
Rainy days	27	29
Humidity	86%	86%
Air quality (AQI)	33	30

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

Month by month

Siem Reap vs Sihanoukville in September — FAQ

Is September better in Siem Reap or Sihanoukville?: Sihanoukville is the better pick in September — 53 vs 49 on SeasonMap's comfort score. Sihanoukville is sweltering, soaked, clean air, while Siem Reap is sweltering, soaked, clean air.
What is the weather like in Siem Reap vs Sihanoukville in September?: In September, Siem Reap averages 31°C high / 25°C low with about 254 mm of rain; Sihanoukville averages 28°C high / 25°C low with about 530 mm.