Port Moresby weather in September (Papua Region, Papua New Guinea)

This month is known as a warm month. The average maximum daytime temperature in Port Moresby in September lies at 30.7°C (87.26°F). The average minimum temperature goes down to around 15.4°C (59.72°F) (often the minimum temperature is noted at night).

Rainfall during September is high with an average of 155mm (6.1 inchec). There are generally around 14 rainy days. If you enjoy blue skies and sunshine, then this is a great time to go to Port Moresby with 215 hours of sun during the entire month.

 

Port Moresby, monthly averages in September

Show in Fahrenheit
Min Temperature 15 °C  
Max Temperature 30 °C  
Water Temperature 26 °C *  
Chance of Rain 47%  
Precipitation 154mm  
Rainy days 14 days  
Humidity 75% *  
Sunshine 215 hrs *  

Where to stay in Port Moresby

Booking.com

Where to go in Papua New Guinea in September

Find out more about the weather in Papua New Guinea in September and which places have the best weather conditions in this month.

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 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in September? Visitors traveling to Port Moresby should plan on bringing a totally waterproof coat since it will often be raining. However, also bring your summer cloths because it can be very warm or even hot. With a water temperature of around 26.0°C (78.8°F), this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Port Moresby.

Our site offers climate and forecast data for every country in the world. Are you going to Papua New Guinea? On this website you can find 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.