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Hourly Forecast
Daylight Hours
05:43
Sunrise
17:43
Sunset
Moon
Waxing Gibbous
13:26
Moonrise
02:04
Moonset
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View stargazing scoreWeather in Rabaul today, September 21, 2026
Expect a mostly clear day in Rabaul on September 21, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Morning skies stay relatively clear, holding cloud close to 39% near 11:00. The early part of the day favours being outside.
The day peaks near 27°C and cools toward 26°C. Moisture in the air spans 74%-76%, with the highest values around 19:00. Airflow remains manageable, reaching about 11.0 km/h around 13:00.
The afternoon keeps an overcast feel, as cloud reaches about 69% around 21:00. Outdoor plans may still want a flexible backup. Expect visibility around 16.1 km. Sunrise is at 05:43 and sunset at 17:43, giving 12 hours 0 minutes of sunlight today.
The practical takeaway for Rabaul is a bright September 21, 2026, ideal for outdoor errands before temperatures ease from about 27°C.
Frequently asked questions about weather in Rabaul
How warm does it get in Rabaul?
The warmest month in Rabaul is January, with average high temperatures of 29°C. The average temperature during this period is around 27°C.
How cold does it get in Rabaul?
The coldest month in Rabaul is August, with average low temperatures of 26°C. The average temperature during this period is around 27°C.
What is the wettest time of year in Rabaul?
The wettest month in Rabaul is March, with an average of 342mm of precipitation.
What is the driest time of year in Rabaul?
The driest month in Rabaul is June, with an average of 124mm of precipitation.
