Manus Province Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Manus Province, Papua New Guinea in September.

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Lorengau

Thinking about venturing to Manus Province, Papua New Guinea this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Manus Province in September

Manus Province, Papua New Guinea is a region in Papua New Guinea. September in Manus Province generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 26°C (79°F) in Lorengau.

For a closer look at conditions across Manus Province, Papua New Guinea, refer to the map below.

Precipitation

September is a very rainy month with an average rainfall of around 287 mm (11 in) in Lorengau.

Explore Manus Province by month

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Best Places to Visit in Manus Province in September

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

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 Manus Province

What is the weather like in September for the most popular destinonation in Manus Province, Papua New Guinea?

Lorengau

In September Lorengau generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor 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
305 mm (12 in)
287 mm (11 in)
226 mm (8.9 in)
Monthly rainy days
16 days
17 days
20 days
Weather conditions
poor
poor
unpleasant
Climate in Lorengau →

Is your destination not in the list? Have a look at all destinations in Manus Province, in Papua New Guinea.

In our records: Papua New Guinea September extremes

Notable September records observed across cities in Papua New Guinea in our climate database (1988 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Papua New Guinea was 17°C (63°F) in Goroka on September 22, 2025.

Manus Province weather in September: frequently asked questions

What is the weather like in Manus Province, Papua New Guinea in September?

In September, Manus Province, Papua New Guinea generally has poor weather conditions. Lorengau sees daytime temperatures near 29°C (84°F), with nights cooling to roughly 26°C (79°F).

What is the average temperature in Manus Province, Papua New Guinea in September?

Lorengau averages a daytime maximum of 29°C (84°F) in September, with overnight lows close to 26°C (79°F).

Does Manus Province, Papua New Guinea get a lot of rain in September?

Rainfall in Manus Province, Papua New Guinea peaks during September. Lorengau averages roughly 287 mm (11 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit Manus Province, Papua New Guinea?

Given the typically poor weather conditions in Lorengau, September may not be the ideal time to visit Manus Province, Papua New Guinea.

Generally speaking, the best visiting conditions can be found in February, March and October offering mostly unpleasant weather in Lorengau.

Interested in more climate information?

We have much more information about the climate in Manus Province.

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 travel conditions. Find out where to go with our weather planner.