Kokopo Weather in September
September in Kokopo brings high temperatures, with highs of 29°C (84°F) and nights dropping to 25°C (77°F). It's also the driest month of the year, ideal for those who want to avoid rain.
Rainfall in Kokopo in September
With the driest weather of the year, this month is ideal for outdoor fun. Typically around 19 days of rainfall are expected, averaging 156 mm (6.1 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Kokopo in September
Expect highs of 29°C (84°F) in Kokopo in September, with nights dropping to around 25°C (77°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Kokopo in September
The days are predominantly sunny, with an estimated total of around 195 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Kokopo in September
September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.
Average water temperature in September
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
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 Kokopo's climate page.
Kokopo Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F) *
Chance of Rain
64%
Precipitation
156 mm (6.1 in)
Rainy days
19 days
Humidity
69% *
Windspeed
3 m/s (6 knots) *
Sunshine
195 hours *
Percentage Sunshine
*
Historical weather for Kokopo in September
Browse day-by-day weather records for Kokopo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kokopo historical weather extremes in September
Based on weather observations in Kokopo between 2006 and 2025, these are the recorded extremes during September.
- Kokopo recorded its highest September temperature of 32°C (90°F) on September 29, 2008.
- The coldest September day was on September 4, 2015, with a maximum of 26°C (79°F).
- Kokopo registered its coldest September night on September 18, 2008, with temperatures dropping to 23°C (73°F).
- The heaviest September precipitation occurred on September 14, 2024, when 90 mm (3.5 in) of precipitation fell.
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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What to Wear in Kokopo in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Kokopo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Kokopo's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Kokopo climate overview or explore weather in Papua New Guinea.
