Weather in September
Temperature
Rabaul's warmest months, September and October, record an average high-temperature of 32°C (89.6°F).Rainfall
The month with the least rainfall is September, when the rain falls for 19 days and typically collects 91mm (3.58") of precipitation.Sea temperature
In Rabaul, in September, the average water temperature is 29.3°C (84.7°F).Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.
Daylight
In Rabaul, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 05:50 and sunset at 17:52. On the last day of September, sunrise is at 05:37 and sunset at 17:45 +10.
Sunshine
January, March through June, August through November, with an average of 6h of sunshine, are months with the most sunshine.UV index
January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index in Rabaul, Papua New Guinea. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 12 leads to the following instructions:
Take every essential safety procedure. Individuals with fair skin could sustain burns in less than 5 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Despite the cloud cover, sunscreen with an SPF of at least 30 should be generously applied and reapplied, particularly after a swim or an outdoor workout. Heads up! UV intensity is amplified by reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
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Average temperature in September
Rabaul, Papua New Guinea
- Average high temperature in September: 32°C
The warmest months (with the highest average high temperature) are September and October (32°C).
The months with the lowest average high temperature are January, February, March, April, May, June, July, August, November and December (31°C).
- Average low temperature in September: 23°C
The months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (23°C).
The coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (23°C).
Average rainfall in September
Rabaul, Papua New Guinea
- Average rainfall in September: 91mm
The wettest month (with the highest rainfall) is March (257mm).
The driest month (with the least rainfall) is September (91mm).
Average rainfall days in September
Rabaul, Papua New Guinea
- Average rainfall days in September: 19 days
The months with the highest number of rainy days are January, March and April (22 days).
The months with the least rainy days are June, August and September (19 days).
Average sea temperature in September
Rabaul, Papua New Guinea
- Average sea temperature in September: 29.3°C
The best months for swimming (with the highest average sea temperature) are November and December (30.3°C).
The coldest month (with the lowest average sea temperature) is August (29.1°C).
Average daylight in September /
Average sunshine in September
Rabaul, Papua New Guinea
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 6h
The months with the most sunshine are January, March, April, May, June, August, September, October and November (Average sunshine: 6h).
The months with the least sunshine are February, July and December (Average sunshine: 5h).
Average UV index in September
Rabaul, Papua New Guinea
- Average UV index in September: 12
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 11).
Rabaul, Papua New Guinea
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