Average sea water temperature in September:
+84.0°F
| Minimum sea water temperature in September: | 86.7°F |
| Maximum sea water temperature in September: | 81.0°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.1°F. The highest and lowest sea temperatures during the month were 85.1°F and 82.9°F.
sea water
temperature
temperature
| Sihanoukville |
monthly
weather
weather
| Sihanoukville |
current
weather
weather
| Sihanoukville |
14 days
forecast
forecast
| Sihanoukville |
Monthly sea water temperature in Sihanoukville, °F
Which Cambodia resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Koh Dek Koule | 84.1°F | 84.7°F |
| Koh Rong | 84.1°F | 84.6°F |
| Sihanoukville | 84.1°F | 84.7°F |
| Koh Kong | 83.7°F | 84.4°F |
Best time for vacation in Sihanoukville
Sihanoukville on a weather map
Places in Cambodia:
Name
°F
24 Hours Forecast
Sihanoukville
Local time: 08:16
May 17, sunday
0900

84°F
SE
18 mph
18 mph
1200

84°F
E
17 mph
17 mph
1500

84°F
E
21 mph
21 mph
1800

84°F
E
17 mph
17 mph
2100

84°F
E
17 mph
17 mph
May 18, monday
0000

84°F
E
16 mph
16 mph
0300

84°F
E
19 mph
19 mph
0600

84°F
E
17 mph
17 mph



























