Indonesian Papua in september: average Weather, Temperature and Climate, Where to go?
Weather in Indonesian Papua in september 2025
Here, find the the weather forecast for september for most popular cities in Indonesian Papua. These forecasts are probabilities for the month of september from weather reports for many years. The percentage indicates the possibility of having the weather indicated.
Average weather in september in Jayapura
tolerable weather UV index: 7
Weather at 6am
76°F
Moderate rain at times
41% of time
25%
24%
8%
Weather at 12pm
85°F
Moderate rain at times
53% of time
23%
12%
12%
Weather at 6pm
79°F
Moderate rain at times
49% of time
20%
18%
13%
Weather at 3am
76°F
33%
26%
24%
9%
Where to go in Indonesian Papua in september?
Where to go in Indonesian Papua in september: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Indonesian Papua in september when it comes to the weather?
Remember:
The climate in Indonesian Papua in september ranges from tolerable to very bad depending on the region and city.
You are lucky: It is not ideal 100%, but the weather in Indonesian Papua that month is good in Merauke. I allows to enjoy sightseeing in this area. And even why not take a little time to sunbathe!
If you do not go lazing in the sun, but, for example to discover the heritage, the cities of Kaimana, Wasai, Pantai Patawana, Bawe (Taman Nasional Teluk Cenderawasih), Raja Ampat Islands, Numfor, Manokwari, Biak, Sorong, Sarmi, Waigeo, Batanta, Jayapura and Nabire have a quite correct weather for this kind of activity in september. Finally, it is not advisable to travel in the cities of Yapen, Timika, Wamena, Agats and Paniai Lakes that month because the climate is frankly unfavorable.
Climate in Indonesian Papua in september
Climate in Jayapura in september
In the month of september, the mean temperature in Jayapura is 81°F (maximum temperature is 86°F and minimum temperature is 76°F). The climate is very warm in this location in this month. With 15.9in over 16 days, you will experience some showers for your vacations. But this is rather reasonably and it is only of temporary showers.
With proper weather, september is okay (but not the best month) for traveling in Jayapura in Indonesia.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 86°F | ||
| Lowest temperature | 76°F | ||
| Sea temperature | 85°F | ||
| Rainfall | 15.9in | ||
| Number of days with rainfall | 16 day(s) (53%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 44% | ||
| Length of day | 12:05 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Raja Ampat Islands in september
In september, the mean temperature in Raja Ampat Islands is 81°F (maximum temperature is 86°F and minimum temperature is 77°F). The climate is very warm here in the month of september. With 12.4in over 18 days, rain may occur throughout your holidays. But this is rather moderate and you will not be too bothered by it.
With a correct weather, the month of september is okay (but not good month) for traveling in this city.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 86°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 12.4in | ||
| Number of days with rainfall | 18 day(s) (59%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 53% | ||
| Length of day | 12:06 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Merauke in september
In the month of september, maximum temperature is 88°F and minimum temperature is 77°F (for an average temperature of 83°F). The climate is burning in this location in september. With 4.1in over 5 days, you risk getting wet slightly throughout your trip. But this is pretty moderate and it will not be continuous.
With good weather conditions, september is a good time to go in Merauke in Indonesian Papua.
| September | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Rainfall | 4.1in | ||
| Number of days with rainfall | 5 day(s) (16%) | ||
| Humidity | 86% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 47% | ||
| Length of day | 12:03 | ||
| Our opinion at whereandwhen.net | good |
Climate in Agats in september
In the month of september, maximum temperature is 70°F and minimum temperature is 50°F (for an average temperature of 59°F). The climate is nice in that locality in the month of september. With 27in over 28 days, you will suffer the rain throughout your journey. So remember to pack Rain coats.
| September | |||
| Average temperature | 59°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 50°F | ||
| Rainfall | 27in | ||
| Number of days with rainfall | 28 day(s) (94%) | ||
| Humidity | 96% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 54% | ||
| Length of day | 12:04 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Batanta in september
In the month of september, maximum temperature is 86°F and minimum temperature is 77°F (for an average temperature of 81°F). The climate is burning here in the month of september. With 12.4in over 18 days, rain is to be feared during your vacations. So remember to pack rain clothes.
With proper weather, september is okay (but not the best month) for traveling in this locality in Indonesian Papua.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 86°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 12.4in | ||
| Number of days with rainfall | 18 day(s) (59%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 53% | ||
| Length of day | 12:07 | ||
| Our opinion at whereandwhen.net | tolerable |
All cities in Indonesian Papua in september
| Jayapura in september | tolerable weather |
| Raja Ampat Islands in september | tolerable weather |
| Merauke in september | good weather |
| Agats in september | very bad weather |
| Batanta in september | tolerable weather |
| Bawe (Taman Nasional Teluk Cenderawasih) in september | tolerable weather |
| Biak in september | bad weather |
| Kaimana in september | tolerable weather |
| Manokwari in september | tolerable weather |
| Nabire in september | tolerable weather |
| Numfor in september | tolerable weather |
| Paniai Lakes in september | very bad weather |
| Pantai Patawana in september | bad weather |
| Puncak Jaya in september | very bad weather |
| Sarmi in september | tolerable weather |
| Sorong in september | tolerable weather |
| Timika in september | tolerable weather |
| Waigeo in september | tolerable weather |
| Wamena (Baliem Valley) in september | very bad weather |
| Wasai in september | tolerable weather |
| Yapen in september | bad weather |
| Yos Sudarso (Dolok) in september | good weather |
Weather data for Indonesian Papua in september:
Weather data for Indonesian Papua in september is derived from an average of the weather forecast since 2009 in Indonesian Papua. There is a margin of error and these forecasts are to be considered as general information only. The weather in Indonesian Papua can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Papua.