Things to Do in Papuanewguinea in September
September weather, activities, events & insider tips
September Weather in Papuanewguinea
Is September Right for You?
Advantages
- Dry season wildlife congregates around water sources - best time for spotting cassowaries, birds-of-paradise, and tree kangaroos in concentrated areas
 - Traditional sing-sing season begins - villages start preparing elaborate festivals with authentic cultural displays before tourist influx
 - River levels perfect for highland trekking - Kokoda Track has ideal conditions with minimal mud but flowing water sources
 - Shoulder season pricing - accommodation costs 20-30% less than peak dry months while weather remains largely favorable
 
Considerations
- Afternoon thunderstorms increase from 40% to 70% probability by month-end, with intense downpours lasting 1-2 hours
 - Highland regions above 1,500m (4,921 ft) experience sudden temperature drops to 15°C (59°F) during storms
 - Some remote airstrips begin experiencing weather delays - domestic flights can be cancelled with 2-3 hours notice
 
Best Activities in September
Highland Village Cultural Experiences
September marks the beginning of traditional preparation season when villages craft ceremonial items for upcoming festivals. Witness authentic daily life without tourist crowds as communities prepare elaborate headdresses, bilum bags, and practice traditional dances. Morning temperatures of 25°C (77°F) are perfect for village walks before afternoon storms arrive.
River Wildlife Spotting Tours
As dry season ends, animals concentrate around permanent water sources making wildlife viewing exceptional. Sepik River boat tours offer 80% higher bird-of-paradise sighting rates in September. Early morning departures at 6 AM avoid afternoon storms while capitalizing on peak animal activity during cooler 24°C (75°F) temperatures.
Highland Trekking Adventures
September offers ideal highland trekking conditions with flowing water sources but minimal mud. Kokoda Track sections have perfect temperature ranges: 28°C (82°F) in valleys, 20°C (68°F) at altitude. Afternoon storms provide natural rest breaks and dramatic mountain photography opportunities with clearing skies.
Diving and Marine Exploration
September transitions bring nutrient-rich currents that attract larger marine life. Milne Bay and Kimbe Bay offer excellent visibility (25-30m / 82-98 ft) with manta ray and whale shark encounters increasing 40% over August levels. Afternoon surface storms rarely affect underwater conditions below 10m (33 ft).
Traditional Market and Food Tours
September brings seasonal highland vegetables and unique fruits like pandanus and breadfruit to coastal markets. Morning market visits between 7-10 AM offer coolest temperatures and freshest produce before afternoon heat builds. Local cooking classes take advantage of seasonal ingredients unavailable other times of year.
Island Hopping and Beach Activities
Outer islands experience calmer morning conditions perfect for snorkeling and beach exploration. September offers excellent underwater visibility before wet season runoff affects coastal waters. Afternoon storms create dramatic sunsets and cooler evening temperatures ideal for beachside dining.
September Events & Festivals
Independence Day Celebrations
September 16th marks Papua New Guinea's Independence Day with elaborate cultural displays, traditional dancing, and local food festivals throughout the country. Port Moresby hosts the largest celebration with representatives from all provinces showcasing distinct cultural traditions.
Highland Show Preparations
September sees communities beginning intensive preparations for October highland shows. Villages practice traditional performances and craft ceremonial items. Visitors can observe authentic cultural activities without festival crowds.