Bintuni Bay weather in September
Warm and pleasant, with frequent heavy rain. Average highs of 29°C and lows of 23°C, with around 24 rainy days expected throughout the month.
While September isn't our top-rated month for Bintuni Bay, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
29°C
Average low
23°C
Rainy days
24 days
Best months to visit
Year-round
What to do in Bintuni Bay in September
Whatever the weather, Bintuni Bay rewards curious visitors. Here are some of the best ways to spend your time:
Kayak through mangrove maze systems
Birdwatch for migratory species
Visit research stations
Trek mangrove trail systems
Explore freshwater lakes within mangroves
Spot unique Papuan wildlife
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
30C
Hot and humid, with frequent heavy rain.
February
30C
Hot and humid, with frequent heavy rain.
March
30C
Hot and humid, with frequent heavy rain.
April
30C
Hot and humid, with frequent heavy rain.
May
30C
Hot and humid, with frequent heavy rain.
June
29C
Warm and pleasant, with frequent heavy rain.
July
29C
Warm and pleasant, with frequent heavy rain.
August
29C
Warm and pleasant, with frequent heavy rain.
September (you are here)
29C
Warm and pleasant, with frequent heavy rain.
October
30C
Hot and humid, with frequent heavy rain.
November
30C
Hot and humid, with frequent heavy rain.
December
30C
Hot and humid, with frequent heavy rain.
Book your September trip to Bintuni Bay
Find hotels, tours and experiences for the perfect escape.
