What is the weather like in Bora Bora vs Port Moresby in September?

In September, Bora Bora averages 23°C high / 22°C low with about 73 mm of rain; Port Moresby averages 31°C high / 24°C low with about 72 mm.

Bora Bora vs Port Moresby in September

Bora Bora is the better pick in September — 87 vs 71 on SeasonMap's comfort score. Bora Bora is warm, a little rain, clean air, while Port Moresby is sweltering, a little rain, clean air.

Bora Bora vs Port Moresby — September climate, side by side

	🇵🇫 Bora Bora	🇵🇬 Port Moresby
Comfort score	87/100 (A)	71/100 (B)
Feels-like high	24°C	35°C
Avg high / low	23° / 22°	31° / 24°
Rainfall	73 mm	72 mm
Rainy days	15	12
Humidity	79%	79%
Air quality (AQI)	32	38

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Bora Bora vs Port Moresby in September — FAQ

Is September better in Bora Bora or Port Moresby?: Bora Bora is the better pick in September — 87 vs 71 on SeasonMap's comfort score. Bora Bora is warm, a little rain, clean air, while Port Moresby is sweltering, a little rain, clean air.
What is the weather like in Bora Bora vs Port Moresby in September?: In September, Bora Bora averages 23°C high / 22°C low with about 73 mm of rain; Port Moresby averages 31°C high / 24°C low with about 72 mm.