Swimming in Indonesian Papua in september 2025 Sea temperature by city in september
Do you want to go to the beach in Indonesian Papua 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 Indonesian Papua by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Indonesian Papua in september 2025
Here, find the average sea temperature in Indonesian Papua in september in several coastal cities.
85°F
min: 84°F / max: 87°F
83°F
min: 82°F / max: 85°F
Batanta
84°F
min: 82°F / max: 86°F
Biak
86°F
min: 84°F / max: 87°F
Manokwari
86°F
min: 84°F / max: 88°F
Numfor
86°F
min: 84°F / max: 88°F
Sorong
83°F
min: 82°F / max: 85°F
Waigeo
83°F
min: 82°F / max: 86°F
Wasai
83°F
min: 82°F / max: 86°F
Yapen
86°F
min: 84°F / max: 87°F
Where should you go swimming in Indonesian Papua in the month of september?
Swimming in Indonesian Papua in september is ideal
In september in Indonesian Papua swimming conditions are generally the same everywhere.
In september in Jayapura, Raja Ampat Islands, Batanta, Biak, Manokwari, Numfor, Sorong, Waigeo, Wasai and Yapen, swimming conditions are perfect! With water reaching a maximum of 87°F and an average of 85°F, going in the water (and staying there!) feels great.
Where to go swimming in Indonesian Papua in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Jayapura
| September | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 76°F | ||
| Precipitation | 15.9in | ||
| Number of days of precipitation | 16 jour(s) (53%) | ||
| Cloud cover | 44% | ||
| Our opinion | ideal swimming |
More information on swimming in Jayapura in september
Raja Ampat Islands
| September | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 85°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 12.4in | ||
| Number of days of precipitation | 18 jour(s) (59%) | ||
| Cloud cover | 53% | ||
| Our opinion | ideal swimming |
More information on swimming in Raja Ampat Islands in september
Batanta
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 12.4in | ||
| Number of days of precipitation | 18 jour(s) (59%) | ||
| Cloud cover | 53% | ||
| Our opinion | ideal swimming |
Biak
| September | |||
| Average sea temperature | 86°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 14.4in | ||
| Number of days of precipitation | 20 jour(s) (66%) | ||
| Cloud cover | 42% | ||
| Our opinion | ideal swimming |
Manokwari
| September | |||
| Average sea temperature | 86°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 88°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 10.4in | ||
| Number of days of precipitation | 17 jour(s) (57%) | ||
| Cloud cover | 36% | ||
| Our opinion | ideal swimming |
List of coastal cities in Indonesian Papua
| Jayapura in september | ideal swimming |
| Raja Ampat Islands in september | ideal swimming |
| Batanta in september | ideal swimming |
| Biak in september | ideal swimming |
| Manokwari in september | ideal swimming |
| Numfor in september | ideal swimming |
| Sorong in september | ideal swimming |
| Waigeo in september | ideal swimming |
| Wasai in september | ideal swimming |
| Yapen in september | ideal swimming |