Papua New Guinea weather in September

Planning a getaway to Papua New Guinea this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

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

September in Papua New Guinea generally has warm temperatures, with precipitation levels ranging from moderate to heavy.

The average maximum temperatures are warm and range from 22°C in Mount Hagen to 30°C in Port Moresby. Nighttime temperatures generally drop to 23°C in Port Moresby and 12°C in Mount Hagen. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

In September, precipitation varies across different areas. From moderate rainfall in Port Moresby with an average of 66 mm to heavy rainfall in Erave with 516 mm. Meanwhile, Port Moresby enjoys approximately 215 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

For a closer look at September's conditions in Papua New Guinea, see the map below. For a more detailed look at Papua New Guinea's yearly weather, check out our Papua New Guinea climate page.

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.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm 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 high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 23°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Port Moresby
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
23°C 
225 hours 
49 mm 
6 days 
30°C 
23°C 
215 hours 
66 mm 
7 days 
October   >> October
>>  
30°C 
24°C 
233 hours 
86 mm 
7 days 
Climate in Port Moresby

Average weather in Madang

In September Madang generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Madang
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
24°C 
226 hours 
159 mm 
14 days 
30°C 
24°C 
216 hours 
163 mm 
14 days 
October   >> October
>>  
30°C 
25°C 
217 hours 
236 mm 
19 days 
poor 
Climate in Madang

Average weather in Kokopo

In September Kokopo generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 25°C and high monthly rainfall. So on average the conditions are pleasant that month.

Kokopo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
24°C 
161 hours 
172 mm 
19 days 
29°C 
25°C 
195 hours 
156 mm 
19 days 
October   >> October
>>  
29°C 
25°C 
174 hours 
170 mm 
21 days 
Climate in Kokopo

Average weather in Lae

In September Lae generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are poor that month.

Lae
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
26°C 
22°C 
522 mm 
23 days 
poor 
27°C 
22°C 
483 mm 
21 days 
poor 
October   >> October
>>  
27°C 
23°C 
505 mm 
21 days 
poor 
Climate in Lae

Average weather in Mount Hagen

In September Mount Hagen generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 12°C and heavy monthly rainfall. So on average the conditions are poor that month.

Mount Hagen
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
22°C 
13°C 
253 mm 
22 days 
22°C 
12°C 
299 mm 
22 days 
poor 
October   >> October
>>  
22°C 
13°C 
358 mm 
22 days 
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 visit Papua New Guinea?

Given the typically pleasant weather conditions in Port Moresby, September might be a good time to visit Papua New Guinea. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, July and August provide perfect weather in Port Moresby. On the other hand, the weather in January, February, March and April tend to be poor.

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.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      
  • Weather and climate has detailed information for every country in the world. Are you going to Papua New Guinea? Get detailed historical weather averages for many cities in Papua New Guinea.

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