Cambodia (Sihanoukville) · September
Low seasonCambodia · Asia
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 31° | 31° | 32° | 33° | 32° | 31° | 31° | 31° | 30° | 31° | 31° | 31° |
MINMIN | 24° | 24° | 25° | 26° | 27° | 27° | 26° | 26° | 26° | 26° | 26° | 25° |
☀️Sunshine | 8h UV 8 | 9h UV 9 | 9h UV 9 | 9h UV 9 | 7h UV 8 | 5h UV 7 | 5h UV 7 | 5h UV 7 | 5h UV 7 | 6h UV 7 | 7h UV 8 | 8h UV 8 |
🌊Water Temp | 28° | 29° | 30° | 31° | 31° | 30° | 30° | 30° | 30° | 30° | 30° | 29° |
🌧Rain Days | 3d37mm | 3d38mm | 6d98mm | 10d155mm | 16d264mm | 17d344mm | 21d476mm | 19d390mm | 20d546mm | 17d300mm | 11d153mm | 5d71mm |
Best travel time current monthMonthly averages 2005–2025 · Source: ERA5 + station data
Off-season — lowest travel prices with still acceptable climate.
September in Cambodia (Sihanoukville) offers acceptable conditions — but it's not among the top travel months. Those looking for ideal weather should visit in January, February, March, and December.
Daytime temperatures reach up to 30°C, cooling to 25°C at night (daily average: 27°C). With 4 sunshine hours per day and 20 rain days (546 mm), this is one of the cloudier months. The water is a warm 29°C — perfect for snorkelling and swimming.
An umbrella or waterproof jacket is essential. On rainy days, plan indoor activities like museums and markets.
Packing list for Cambodia (Sihanoukville) in September
- Leichte Sommersachen
- Badezeug und Strandtuch
- Sonnencreme
- Sonnenbrille
- Regenjacke und wasserfeste Schuhe
- Insektenschutzmittel
- Reiseapotheke
Frequently Asked Questions
- Is September a good time to visit Cambodia (Sihanoukville)?
- September is not an optimal month for Cambodia (Sihanoukville) (Score: 49/100), but it is manageable. For better conditions, consider January, February, March, and December.
- How warm is it in Cambodia (Sihanoukville) in September?
- In September, Cambodia (Sihanoukville) sees daily highs of 30°C. Nights cool to 25°C, with a daily average of 27°C.
- How much rain falls in Cambodia (Sihanoukville) in September?
- In September, Cambodia (Sihanoukville) receives an average of 546 mm of rain over 20 rain days. With frequent rain days, waterproof clothing is recommended.
- How many sunshine hours does Cambodia (Sihanoukville) get in September?
- Cambodia (Sihanoukville) averages 4 sunshine hours per day in September — below the annual average.
- How warm is the water in Cambodia (Sihanoukville) in September?
- Water temperature in Cambodia (Sihanoukville) in September averages 29°C — ideal for swimming and snorkelling.
