September weather forecast
Buka, Papua New Guinea

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Weather in September

September brings about a drop in wind speed from 13.6km/h (8.5mph) in August to 11.5km/h (7.1mph) in Buka. The minor reduction in wind speed doesn't significantly alter the prevailing tropical climate rich with warmth, humidity, and moderated rainfall. As the climate transitions into October, expect a slightly milder weather. With its settled climate, September offers perfect conditions for water-based activities. Unlike the fairly breezy August, September weather in Buka tends towards calmness.

Temperature

The average high-temperature in Buka during September registers at a still moderately hot 28.7°C (83.7°F), closely corresponding to the preceding month. Buka encounters a small divergence from daytime high temperatures, averaging a low-temperature of 25.1°C (77.2°F) during September nights.

Heat index

Throughout September, the heat index is estimated at a tropical 34°C (93.2°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In Buka, the average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 24.4 days and typically collects 109mm (4.29") of precipitation.

Sea temperature

The months with the coldest seawater in Buka, Papua New Guinea, are June through October, with an average sea temperature of 29°C (84.2°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

In Buka, the average length of the day in September is 12h and 5min.
On the first day of the month, sunrise is at 05:52 and sunset at 17:53. On the last day of September, in Buka, sunrise is at 05:38 and sunset at 17:47 +10.

Sunshine

The average sunshine in September in Buka is 8.6h.

UV index

January through March, May through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 7 in September translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.

Frequently asked questions

How hot is September in Buka?

The average high-temperature and low-temperature in Buka, Papua New Guinea, during September are 28.7°C (83.7°F) and 25.1°C (77.2°F) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 34°C (93.2°F).

What is the average humidity in September in Buka?

In September, the average relative humidity in Buka is 79%.

What is the driest month in Buka?

The month with the least rainfall in Buka, Papua New Guinea, is September, when the rain falls for 24.4 days and typically collects 109mm (4.29") of precipitation.

How much does it rain in Buka in September?

In Buka, Papua New Guinea, in September, during 24.4 rainfall days, 109mm (4.29") of precipitation is typically accumulated.

When is the sea coldest in Buka?

The months with the coldest seawater in Buka are June through October, with an average sea temperature of 29°C (84.2°F).

What is the sea water temperature in September in Buka?

In Buka, Papua New Guinea, in September, the average water temperature is 29°C (84.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Buka have in September?

In Buka, Papua New Guinea, the average day length in September is 12h and 5min.

What time are sunrise and sunset in September in Buka?

On the first day of September in Buka, Papua New Guinea, sunrise is at 05:52 and sunset at 17:53. On the last day of the month, sunrise is at 05:38 and sunset at 17:47 +10.

How long on average sun shines in September in Buka?

The average sunshine duration in September in Buka, Papua New Guinea, is 8.6h.

What are the months with the highest UV index in Buka?

The months with the highest UV index in Buka, Papua New Guinea, are January through March, May through December, with an average maximum UV index of 7.

What is the UV index reading in September in Buka?

The average daily maximum UV index in September in Buka is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Average temperature in September
Buka, Papua New Guinea

Average temperature in September - Buka, Papua New Guinea
  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is May (29.3°C).
The month with the lowest average high temperature is July (28.4°C).

  • Average low temperature in September: 25.1°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is September (25.1°C).

Average pressure in September
Buka, Papua New Guinea

Average pressure in September - Buka, Papua New Guinea
  • Average pressure in September: 1010mbar

The months with the highest atmospheric pressure are August and September (1010mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).

Average wind speed in September
Buka, Papua New Guinea

Average wind speed in September - Buka, Papua New Guinea
  • Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (7.5km/h).

Average humidity in September
Buka, Papua New Guinea

Average humidity in September - Buka, Papua New Guinea
  • Average humidity in September: 79%

The month with the highest relative humidity is July (80%).
The months with the lowest relative humidity are October and November (77%).

Average rainfall in September
Buka, Papua New Guinea

Average rainfall in September - Buka, Papua New Guinea
  • Average rainfall in September: 109mm

The wettest month (with the highest rainfall) is March (226mm).
The driest month (with the least rainfall) is September (109mm).

Average rainfall days in September
Buka, Papua New Guinea

Average rainfall days in September - Buka, Papua New Guinea
  • Average rainfall days in September: 24.4 days

The month with the highest number of rainy days is March (27.9 days).
The month with the least rainy days is September (24.4 days).

Average sea temperature in September
Buka, Papua New Guinea

Average sea temperature in September - Buka, Papua New Guinea
  • Average sea temperature in September: 29°C

The best months for swimming (with the highest average sea temperature) are January, February, March, April, May, November and December (30°C).
The coldest months (with the lowest average sea temperature) are June, July, August, September and October (29°C).

Average daylight in September /
Average sunshine in September
Buka, Papua New Guinea

Average daylight in September / Average sunshine in September - Buka, 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 48min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are January and February (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 36min).

Average sunshine days in September
Buka, Papua New Guinea

Average sunshine days in September - Buka, Papua New Guinea
  • Average sunshine days in September: 4.3 days

The month with the most sunshine days is October (4.4 days).
The month with the least sunshine days is April (1.6 days).

Average UV index in September
Buka, Papua New Guinea

Average UV index in September - Buka, Papua New Guinea
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is April (UV index 6).

Average cloud cover in September
Buka, Papua New Guinea

Average cloud cover in September - Buka, Papua New Guinea
  • Average cloud cover in September: 36

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are May, September, October and November (Cloud cover 36).

Average visibility in September
Buka, Papua New Guinea

Average visibility in September - Buka, Papua New Guinea
  • Average visibility in September: 10km

The months with the highest visibility are February, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, March and April (9km).

Buka, Papua New Guinea

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