Average sea water temperature in September:
+83.8°F
| Minimum sea water temperature in September: | 86.7°F |
| Maximum sea water temperature in September: | 81.5°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 86.7°F and 83.5°F.
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| Surabaya |
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Monthly sea water temperature in Surabaya, °F
Which Indonesia resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Medan | 85.6°F | 85.3°F |
| Bintan | 84.9°F | 85.4°F |
| Batam | 84.8°F | 85.6°F |
| Surabaya | 84.7°F | 84.6°F |
| Padang | 84.7°F | 84.7°F |
| Jakarta | 84.5°F | 84.7°F |
| Trawangan | 83.7°F | 84.0°F |
| Bali | 83.7°F | 84.0°F |
| Gili | 83.5°F | 83.8°F |
| Lombok | 81.5°F | 81.3°F |
| Denpasar | 81.4°F | 81.5°F |
| Sanur | 81.4°F | 81.5°F |
| Nusa Dua | 81.0°F | 80.8°F |
| Tanjung Benoa | 81.0°F | 80.8°F |
| Yogyakarta | 80.8°F | 78.3°F |
| Seminyak | 80.7°F | 80.4°F |
| Kuta | 80.7°F | 80.4°F |
| Legian | 80.7°F | 80.4°F |
| Tuban | 80.7°F | 80.4°F |
| Jimbaran | 80.7°F | 80.3°F |
Best time for vacation in Surabaya
Surabaya on a weather map
Places in Indonesia:
Name
°F
24 Hours Forecast
Surabaya
Local time: 09:50
December 24, wednesday
1200
86°F
E
9 mph
9 mph
1500
86°F
SE
6 mph
6 mph
1800
82°F
SE
7 mph
7 mph
2100
79°F
E
6 mph
6 mph
December 25, thursday
0000
79°F
NE
4 mph
4 mph
0300
79°F
NE
2 mph
2 mph
0600
77°F
E
3 mph
3 mph
0900
82°F
E
2 mph
2 mph
