When to go · Koh Rong Sanloem
Koh Rong Sanloem in September
Avoid month. Listed as a month to avoid: May–Oct (rainy season).
Key facts
- Verdict
- Avoid
- Temperature
- 33°C (91°F)91°F (33°C) / 26°C (79°F)79°F (26°C)
- average high / low
- Rain days
- 13
- Crowds
- Low
- Cambodia overall
- Prices
- Low
- Cambodia overall
Verdict
Listed as a month to avoid: May–Oct (rainy season).
Is another month better than September?
September is rated avoid. These months rate higher:
Weather in September
- Koh Rong SanloemHighs around 33 °C (91 °F), lows around 26 °C (79 °F), rain on about 13 daysHighs around 91 °F (33 °C), lows around 79 °F (26 °C), rain on about 13 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Pchum Ben (Ancestors' Day) big impact
Sep–Oct, 3 days (lunar — check) · Cambodia
Families return to home villages; pagodas crowded at dawn; buses full and many businesses shut.
Crowds and prices
- Crowds · Cambodia overall
- Low
- Prices · Cambodia overall
- Low
Cambodia overall: Wettest month: floods on rural roads and around Tonle Sap; Pchum Ben may fall here or in October.
Compare two months
Weather, crowds and prices for any two months in Koh Rong Sanloem, side by side.
Verdict
Sep: Avoid
Jan: Great (better)
Daytime high
Sep: 33 °C (91 °F)91 °F (33 °C)
Jan: 30 °C (86 °F)86 °F (30 °C)
Night low
Sep: 26 °C (79 °F)79 °F (26 °C)
Jan: 24 °C (75 °F)75 °F (24 °C)
Rain days
Sep: 13
Jan: 5 (better)
Crowds
Sep: Low
Jan: High
Prices
Sep: Low
Jan: High
Festivals listed
Sep: 1
Jan: 0
September: Listed as a month to avoid: May–Oct (rainy season).
January: Inside Koh Rong Sanloem's best window: Dec–Apr.
Koh Rong Sanloem: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast