Papua New Guinea weather in September

Many people wonder what kind of weather they can expect in September in Papua New Guinea. Is this month a good time to go to Papua New Guinea? To answer that question we created this page with all the information you need.

What is the weather like in Papua New Guinea in September?

The weather conditions in Papua New Guinea in September range from poor to perfect depending on the destination.

During September in Papua New Guinea, the average maximum temperature ranges from high in Sideia with 27°C (81°F) to very high in Rabaul with 32°C (90°F). These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

Precipitation in September ranges from low in Port Moresby with an average of 18mm (0.7inch) rainfall to heavy in Erave with 627mm (25inch). It is also generally a sunny period with an average of 215 hours of sunshine in Port Moresby during the entire month.

We invite you to have a look at the map below to find out more about the different weather conditions per location in Papua New Guinea.

Where to go in Papua New Guinea in September

Find the average weather conditions in September for the most popular destinations in Papua New Guinea on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in Papua New Guinea

What is the weather like in September for the 5 most popular destinations in Papua New Guinea?

Average weather in Port Moresby

In September Port Moresby generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and low monthly rainfall. So on average the conditions are perfect that month.

Port Moresby
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
31°C / 87°F 
23°C / 73°F 
225 hours 
11mm / 0.4inch 
4 days 
31°C / 88°F 
23°C / 73°F 
215 hours 
18mm / 0.7inch 
5 days 
October   >> October
>>  
32°C / 90°F 
24°C / 75°F 
233 hours 
16mm / 0.6inch 
5 days 
Climate in Port Moresby

Average weather in Madang

In September Madang generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are tolerable that month.

Madang
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
31°C / 88°F 
23°C / 73°F 
226 hours 
134mm / 5.3inch 
8 days 
31°C / 88°F 
23°C / 73°F 
216 hours 
136mm / 5.4inch 
9 days 
October   >> October
>>  
31°C / 88°F 
23°C / 73°F 
217 hours 
282mm / 11inch 
10 days 
poor 
Climate in Madang

Average weather in Kokopo

In September Kokopo generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 22°C (72°F) and high monthly rainfall. So on average the conditions are tolerable that month.

Kokopo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
31°C / 88°F 
22°C / 72°F 
161 hours 
115mm / 4.5inch 
8 days 
32°C / 90°F 
22°C / 72°F 
195 hours 
106mm / 4.2inch 
5 days 
October   >> October
>>  
33°C / 91°F 
22°C / 72°F 
174 hours 
118mm / 4.6inch 
8 days 
Climate in Kokopo

Average weather in Lae

In September Lae generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Lae
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
28°C / 82°F 
22°C / 72°F 
519mm / 20inch 
24 days 
poor 
29°C / 84°F 
23°C / 73°F 
362mm / 14inch 
22 days 
poor 
October   >> October
>>  
30°C / 86°F 
23°C / 74°F 
445mm / 18inch 
22 days 
poor 
Climate in Lae

Average weather in Mount Hagen

In September Mount Hagen generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Mount Hagen
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Weather conditions Weather
<<   August August
<<  
27°C / 81°F 
21°C / 70°F 
554mm / 22inch 
poor 
28°C / 82°F 
22°C / 72°F 
627mm / 25inch 
poor 
October   >> October
>>  
31°C / 88°F 
22°C / 72°F 
465mm / 18inch 
poor 
Climate in Mount Hagen

Is your destination not in the list? Have a look at other destinations in Papua New Guinea.

Is September the best time to go to Papua New Guinea?

In our opinion September is one of the best times to visit Papua New Guinea with commonly perfect weather in Port Moresby. However, the weather conditions may vary depending on your destination.

On average the best time to visit Papua New Guinea is in June, July, August, September and October with generally perfect weather in Port Moresby. The worst months are January and March that can have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Papua New Guinea. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Papua New Guinea? Get detailed historical weather averages for many cities in Papua New Guinea.

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