Swimming in Cambodia in september 2025 Sea temperature by city in september
Do you want to go to the beach in Cambodia in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Cambodia by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Cambodia in september 2025
Here, find the average sea temperature in Cambodia in september in several coastal cities.
84°F
min: 83°F / max: 87°F
85°F
min: 84°F / max: 86°F
85°F
min: 83°F / max: 86°F
84°F
min: 83°F / max: 86°F
84°F
min: 83°F / max: 86°F
Koh Russey (Bamboo Island)
85°F
min: 83°F / max: 86°F
Koh Sdach (King Island)
85°F
min: 83°F / max: 86°F
Koh Ta Kiev
85°F
min: 83°F / max: 86°F
Koh Thmei
84°F
min: 83°F / max: 86°F
Koh Tonsay (Rabbit Island)
84°F
min: 83°F / max: 86°F
Krong Kaeb
84°F
min: 83°F / max: 87°F
Where should you go swimming in Cambodia in the month of september?
Swimming in Cambodia in september is ideal
In september in Cambodia swimming conditions are generally the same everywhere.
In september in Kampot, Koh Kong, Sihanoukville, Koh Rong, Koh Rong Samloem, Koh Russey (Bamboo Island), Koh Sdach (King Island), Koh Ta Kiev, Koh Thmei, Koh Tonsay (Rabbit Island) and Krong Kaeb, swimming conditions are perfect! With water reaching a maximum of 87°F and an average of 84°F, going in the water (and staying there!) feels great.
Where to go swimming in Cambodia in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Kampot
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 13in | ||
| Number of days of precipitation | 16 jour(s) (53%) | ||
| Cloud cover | 47% | ||
| Our opinion | ideal swimming |
More information on swimming in Kampot in september
Koh Kong
| September | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 79°F | ||
| Precipitation | 22.6in | ||
| Number of days of precipitation | 18 jour(s) (60%) | ||
| Cloud cover | 53% | ||
| Our opinion | ideal swimming |
More information on swimming in Koh Kong in september
Sihanoukville
| September | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 33.2in | ||
| Number of days of precipitation | 22 jour(s) (72%) | ||
| Cloud cover | 50% | ||
| Our opinion | ideal swimming |
More information on swimming in Sihanoukville in september
Koh Rong
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 27.8in | ||
| Number of days of precipitation | 21 jour(s) (69%) | ||
| Cloud cover | 49% | ||
| Our opinion | ideal swimming |
More information on swimming in Koh Rong in september
Koh Rong Samloem
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 27.8in | ||
| Number of days of precipitation | 21 jour(s) (69%) | ||
| Cloud cover | 49% | ||
| Our opinion | ideal swimming |
More information on swimming in Koh Rong Samloem in september
List of coastal cities in Cambodia
| Kampot in september | ideal swimming |
| Koh Kong in september | ideal swimming |
| Sihanoukville in september | ideal swimming |
| Koh Rong in september | ideal swimming |
| Koh Rong Samloem in september | ideal swimming |
| Koh Russey (Bamboo Island) in september | ideal swimming |
| Koh Sdach (King Island) in september | ideal swimming |
| Koh Ta Kiev in september | ideal swimming |
| Koh Thmei in september | ideal swimming |
| Koh Tonsay (Rabbit Island) in september | ideal swimming |
| Krong Kaeb in september | ideal swimming |