Daytime highs, nighttime lows and the warmest cities across Papua New Guinea this September.
Papua New Guinea, experiences high average maximum daytime temperatures in September, ranging from 22°C (72°F) in Mount Hagen to 30°C (86°F) in Port Moresby. Nighttime temperatures generally drop to 23°C (73°F) in Port Moresby and 12°C (54°F) in Mount Hagen.
To get a sense of September's typical temperatures in the key spots of Papua New Guinea, explore the map below. Click on a point for an in-depth look.
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Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Papua New Guinea.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Drill down to September weather for any region in Papua New Guinea.
Pick a city to see its September weather averages.
Expect daytime temperatures around 30°C (86°F) in Port Moresby. That makes September a high month for Papua New Guinea.
After dark, Port Moresby cools to about 23°C (73°F) on an average September night.
Data insights from our comprehensive database indicate that Port Moresby is the city with the highest warmth. Daytime peaks average near 30°C (86°F), while the nights are characterized by a low temperature close to 23°C (73°F).
The coldest city in September in Papua New Guinea is Mount Hagen when we check our database. The maximum daytime temperatures are around 22°C (72°F) and minimum nighttime temperatures fall around 12°C (54°F).
Port Moresby enjoys close to 215 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.
The water temperature averages approximately 28°C (82°F) in Madang this month, an ideal temperature for swimming and cooling off.
We have much more information about the climate in Papua New Guinea.
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