West Papua Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in West Papua, Indonesia in September.

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Sorong Besir Manokwari

Planning a journey to West Papua, Indonesia this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in West Papua in September

West Papua, Indonesia is a region in Indonesia. September in West Papua generally has very warm temperatures, with precipitation levels ranging from high to heavy.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 24°C (75°F) in Sorong. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

To learn more about the conditions in specific areas of West Papua, Indonesia, check out the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Besir with an average of 137 mm (5.4 in) to heavy rainfall in Sorong with 208 mm (8.2 in).

Explore West Papua by month

Pick a month to see the average temperature, rainfall and sunshine in West Papua — and find the best time to visit. (based on Sorong)

January30°C (86°F) February30°C (86°F) March30°C (86°F) April30°C (86°F) May30°C (86°F) June30°C (86°F) This monthJuly30°C (86°F) August30°C (86°F) September30°C (86°F) October30°C (86°F) November30°C (86°F) December30°C (86°F)
Best Time to Visit West Papua →

Best Places to Visit in West Papua in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across West Papua.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in West Papua

What is the weather like in September for some of the most popular destinations in West Papua, Indonesia?

Temperature range in West Papua (September)

Precipitation variation in West Papua (September)

Sorong

In September Sorong generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Monthly rainfall
192 mm (7.6 in)
208 mm (8.2 in)
225 mm (8.9 in)
Monthly rainy days
19 days
16 days
15 days
Weather conditions
unpleasant
poor
poor
Climate in Sorong →

Besir

In September Besir generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
142 mm (5.6 in)
137 mm (5.4 in)
136 mm (5.4 in)
Monthly rainy days
19 days
16 days
15 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Besir →

Manokwari

In September Manokwari generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
189 mm (7.4 in)
183 mm (7.2 in)
202 mm (8 in)
Monthly rainy days
16 days
13 days
14 days
Weather conditions
tolerable
tolerable
unpleasant
Climate in Manokwari →

Is your destination not in the list? Have a look at all destinations in West Papua, in Indonesia.

In our records: Indonesia September extremes

Notable September records observed across cities in Indonesia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Indonesia was 18°C (64°F) in Bandung on September 23, 2003.

Popular cities in September

Day & night temperatures, rainfall and average weather in West Papua in September.

City Weather Day temp Night temp Rainfall
Sorong 30°C (86°F) 24°C (75°F) 208 mm (8.2 in)
Besir 29°C (84°F) 26°C (79°F) 137 mm (5.4 in)
Manokwari 29°C (84°F) 25°C (77°F) 183 mm (7.2 in)

West Papua weather in September: frequently asked questions

What is the weather like in West Papua, Indonesia in September?

In September, West Papua, Indonesia generally has poor weather conditions. Sorong sees daytime temperatures near 30°C (86°F), with nights cooling to roughly 24°C (75°F).

What is the average temperature in West Papua, Indonesia in September?

Daytime temperatures in Sorong peak at roughly 30°C (86°F) in September, dropping to about 24°C (75°F) overnight.

Does West Papua, Indonesia get a lot of rain in September?

Expect plenty of rainfall. Sorong records an average of 208 mm (8.2 in) in September, putting it among the wetter months for West Papua, Indonesia.

Is September a Good Time to Visit West Papua, Indonesia?

In our opinion, September may not be the ideal time to visit West Papua, Indonesia due to the typically poor weather in Sorong.

Generally speaking, the best visiting conditions can be found in offering mostly poor weather in Sorong.

Interested in more climate information?

We have much more information about the climate in West Papua.

Weather and climate has detailed information for every country in the world. Are you going to Indonesia? Get detailed historical weather averages for many cities in Indonesia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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