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Mount Hagen Weather in September

Mount Hagen in September averages 22°C (72°F) during the day and 12°C (54°F) at night. September is part of the rainy season, so frequent rainfall is typical.

Rainfall in Mount Hagen in September

Mount Hagen is in the rainy season in September, with rain on around 22 days and an average of 299 mm (12 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Mount Hagen in September

September in Mount Hagen brings typical temperatures with highs around 22°C (72°F) and lows of 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

September in Mount Hagen can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Mount Hagen's climate page.

Mount Hagen Temperature in September

Min TemperatureMin Temperature 12°C (54°F)  
Max TemperatureMax Temperature 22°C (72°F)  
Chance of RainChance of Rain 73%  
PrecipitationPrecipitation 299 mm (12 in)  
Rainy daysRainy days 22 days  

Historical weather for Mount Hagen in September

Browse day-by-day weather records for Mount Hagen spanning 26 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Mount Hagen historical weather extremes in September

The extremes listed below come from historical weather data collected in Mount Hagen from 2006 through 2025.

  • On September 9, 2006, temperatures climbed to 32°C (90°F), marking the warmest September day on record.
  • The lowest daytime temperature in September was 18°C (64°F), recorded on September 21, 2008.
  • Mount Hagen registered its coldest September night on September 20, 2010, with temperatures dropping to 8°C (46°F).
  • The wettest day in September Mount Hagen was on September 14, 2012 with 54 mm (2.1 in) of precipitation.

Best Places in Papua New Guinea in September

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

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Legend 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).

What to Wear in Mount Hagen in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!

What To Do in Mount Hagen in September

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

Camping
6/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Mount Hagen's climate page.

More climate data for Mount Hagen