Average sea water temperature in September:
+84.1°F
| Minimum sea water temperature in September: | 87.3°F |
| Maximum sea water temperature in September: | 82.6°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 84.7°F and 83.3°F.
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| Playa Flamingo |
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| Playa Flamingo |
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| Playa Flamingo |
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| Playa Flamingo |
Monthly sea water temperature in Playa Flamingo, °F
Which Costa Rica resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Puerto Viejo de Talamanca | 84.7°F | 85.7°F |
| Limon | 84.6°F | 86.0°F |
| Puerto Limon | 84.6°F | 86.0°F |
| Cahuita | 84.6°F | 85.7°F |
| Tortuguero | 84.4°F | 85.8°F |
| Quepos | 83.9°F | 84.1°F |
| Cartago | 83.9°F | 84.1°F |
| Playas del Coco | 83.8°F | 84.9°F |
| Santa Teresa | 83.8°F | 84.0°F |
| Tamarindo | 83.8°F | 84.4°F |
| San Jose | 83.8°F | 84.2°F |
| Playa Flamingo | 83.8°F | 84.7°F |
| Jaco | 83.7°F | 84.1°F |
| Alajuela | 83.7°F | 84.0°F |
| El Roble | 83.7°F | 84.1°F |
| Heredia | 83.7°F | 84.1°F |
| Samara | 83.7°F | 84.2°F |
Best time for vacation in Playa Flamingo
Playa Flamingo on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Playa Flamingo
Local time: 16:33
May 17, sunday
1800
84°F
NW
3 mph
3 mph
2100
82°F
W
5 mph
5 mph
May 18, monday
0000
81°F
W
6 mph
6 mph
0300
79°F
W
6 mph
6 mph
0600
79°F
SW
5 mph
5 mph
0900
86°F
SW
5 mph
5 mph
1200
91°F
SW
5 mph
5 mph
1500
93°F
SW
6 mph
6 mph
