September weather forecast
Kokopo, Papua New Guinea

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Weather in September

In September, a significant decline in rainfall to 109mm (4.29") occurs in Kokopo. Temperatures continue to be on the warmer side, while the sea temperature begins to rise again after previous months' drop. The wind speed begins to slow down, returning to typical norms. Sunshine hours see an uptick from previous months. September thus stands as the transition from the drier season to the incoming wetter one.

Temperature

Kokopo experiences a recorded average high-temperature of a still moderately hot 28.7°C (83.7°F) in September, closely aligned with August's 28.6°C (83.5°F). Kokopo's nighttime average temperature in September drops marginally from the daytime highs, settling at a still warm 25.1°C (77.2°F).

Heat index

In September, the heat index is computed to be a tropical 34°C (93.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall in Kokopo. Rain falls for 24.4 days and accumulates 109mm (4.29") of precipitation.

Sea temperature

In September, the average sea temperature is 29.3°C (84.7°F).
Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

In Kokopo, Papua New Guinea, the average length of the day in September is 12h and 5min.
On the first day of September in Kokopo, Papua New Guinea, sunrise is at 05:49 and sunset at 17:51. On the last day of the month, sunrise is at 05:36 and sunset at 17:45 +10.

Sunshine

In September, the average sunshine in Kokopo 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 reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during September translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
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Frequently asked questions

How hot is it in Kokopo in September?

The average high-temperature, in September, in Kokopo, is 28.7°C (83.7°F), while the average low-temperature is 25.1°C (77.2°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 34°C (93.2°F).

What is the average humidity in September in Kokopo?

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

What is the driest month in Kokopo?

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

How many days does it rain in September in Kokopo?

In September, in Kokopo, the rain falls for 24.4 days. Throughout September, 109mm (4.29") of precipitation is accumulated.

How warm is the water in September in Kokopo?

In September, the average sea temperature is 29.3°C (84.7°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in September in Kokopo?

The average day length in September is 12h and 5min.

When is the sunrise / sunset in September in Kokopo?

On the first day of September in Kokopo, sunrise is at 05:49 and sunset at 17:51. On the last day of the month, sunrise is at 05:36 and sunset at 17:45 +10.

How many hours of sunshine does Kokopo have in September?

The average sunshine duration in September in Kokopo is 8.6h.

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

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

How high is the UV index in September in Kokopo?

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

Average temperature in September
Kokopo, Papua New Guinea

Average temperature in September - Kokopo, 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).

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Average pressure in September
Kokopo, Papua New Guinea

Average pressure in September - Kokopo, 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).

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Average wind speed in September
Kokopo, Papua New Guinea

Average wind speed in September - Kokopo, 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).

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Average humidity in September
Kokopo, Papua New Guinea

Average humidity in September - Kokopo, 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%).

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Average rainfall in September
Kokopo, Papua New Guinea

Average rainfall in September - Kokopo, 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).

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Average rainfall days in September
Kokopo, Papua New Guinea

Average rainfall days in September - Kokopo, 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).

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Average sea temperature in September
Kokopo, Papua New Guinea

Average sea temperature in September - Kokopo, 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).

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

Average daylight in September / Average sunshine in September - Kokopo, 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: 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).

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Average sunshine days in September
Kokopo, Papua New Guinea

Average sunshine days in September - Kokopo, 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).

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Average UV index in September
Kokopo, Papua New Guinea

Average UV index in September - Kokopo, 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).

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Average cloud cover in September
Kokopo, Papua New Guinea

Average cloud cover in September - Kokopo, 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).

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Average visibility in September
Kokopo, Papua New Guinea

Average visibility in September - Kokopo, 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).

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Kokopo, Papua New Guinea

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