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 SihanoukvilleSeptember climate, side by side

Siem ReapSihanoukville
Comfort score49/100 (F)53/100 (D)
Feels-like high37°C34°C
Avg high / low31° / 25°28° / 25°
Rainfall254 mm530 mm
Rainy days2729
Humidity86%86%
Air quality (AQI)3330

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

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.