Port Moresby in September
The weather in September
In September, Port Moresby averages daytime highs of 29° and night-time lows of 23° — hot weather by day. Expect around 45 mm of precipitation spread over about 8 wet days, with average cloud cover near 39%.
Temperatures are much the same as in August, and October brings little change. The sea averages 25°, comfortably warm for swimming.
September scores 62/100 — fair conditions for sightseeing — and ranks 4th of the twelve months for Port Moresby. For the most comfortable weather, consider June, July and August instead.
Around the middle of the month the sun rises at 06:06 and sets at 18:09 local time, giving 12 h 02 min of daylight. Days lengthen by 15 minutes over the month.
Why 62/100?
How the score for September is builtBeach score this month: 84/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Papua New Guinea's best in September
Rabaul
Kimbe
Port Moresby in September: quick answers
Is September a good time to visit Port Moresby?
September scores 62/100 for Port Moresby, which we rate as fair. Average highs are 29°C with 8 wet days.
How warm is Port Moresby in September?
Daytime highs average 29°C and night-time lows 23°C in September.
Does it rain a lot in Port Moresby in September?
Port Moresby receives about 45 mm of precipitation in September, falling on around 8 days.
Can you swim in Port Moresby in September?
The sea averages 25°C in September, warm enough for most swimmers.





















































