September weather forecast
Aitape, Papua New Guinea

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Weather in September

September stands out due to a drop in the rainfall recorded at 188mm (7.4"). The balmy weather, associated with humid days and mild nights, continues its dominance. Cloud cover is slightly less prominent, and a gentle breeze can be felt, especially during the mornings. Despite the plunge in rainfall, the lush greenery and exotic appeal of Aitape remain intact. The weather in September perfectly introduces the coming warmer months.

Temperature

September's average high-temperature is a still warm 27.8°C (82°F), maintaining a close comparison with August's 28.3°C (82.9°F). The average low-temperature during September nights is an agreeable 20.1°C (68.2°F).

Heat index

Throughout September, the heat index is evaluated at a hot 33°C (91.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

February, August through November, with an average relative humidity of 90%, are the least humid months.

Rainfall

In September, in Aitape, the rain falls for 27.9 days. Throughout September, 188mm (7.4") of precipitation is accumulated. Throughout the year, there are 340.3 rainfall days, and 2452mm (96.54") of precipitation is accumulated.

Sea temperature

In Aitape, the average seawater temperature in September is 29.3°C (84.7°F).
Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

The average length of the day in September is 12h and 5min.
On the first day of the month, sunrise is at 06:28 and sunset at 18:32. On the last day of September, sunrise is at 06:16 and sunset at 18:24 +10.

Sunshine

In Aitape, the average sunshine in September is 5.7h.

UV index

January, February, May and September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 6 during September translates into the following guidance:
Fend off overexposure. Sun protection is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be on guard! The reflective nature of sand and water boosts UV exposure.

Frequently asked questions

What are September temperatures?

The average high-temperature and low-temperature during September are 27.8°C (82°F) and 20.1°C (68.2°F) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is evaluated at 33°C (91.4°F).

What is the least humid month?

February, August through November, with an average relative humidity of 90%, are the least humid months.

What is the average humidity in September?

The average relative humidity in September is 90%.

How much does it rain in Aitape in September?

In Aitape, in September, it is raining for 27.9 days, with typically 188mm (7.4") of accumulated precipitation.

What is the sea water temperature in September?

In September, the average sea temperature is 29.3°C (84.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Aitape have in September?

In Aitape, the average day length in September is 12h and 5min.

What time are sunrise and sunset in September in Aitape?

In September, on the first day of the month, sunrise is at 06:28 and sunset at 18:32. On the last day of the month, in Aitape, sunrise is at 06:16 and sunset at 18:24 +10.

How many hours of sunshine does Aitape have in September?

In September, the average sunshine duration is 5.7h.

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

January, February, May and September, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in September?

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Aitape, Papua New Guinea

Average temperature in September - Aitape, Papua New Guinea
  • Average high temperature in September: 27.8°C

The warmest month (with the highest average high temperature) is October (28.4°C).
The month with the lowest average high temperature is July (27.7°C).

  • Average low temperature in September: 20.1°C

The months with the highest average low temperature are April and December (21.3°C).
The coldest months (with the lowest average low temperature) are August and September (20.1°C).

Average pressure in September
Aitape, Papua New Guinea

Average pressure in September - Aitape, Papua New Guinea
  • Average pressure in September: 1010.3mbar

The month with the highest atmospheric pressure is September (1010.3mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).

Average wind speed in September
Aitape, Papua New Guinea

Average wind speed in September - Aitape, Papua New Guinea
  • Average wind speed in September: 3.7km/h

The windiest months (with the highest average wind speed) are February and March (4.5km/h).
The calmest month (with the lowest average wind speed) is July (3.4km/h).

Average humidity in September
Aitape, Papua New Guinea

Average humidity in September - Aitape, Papua New Guinea
  • Average humidity in September: 90%

The months with the highest relative humidity are March and April (92%).
The months with the lowest relative humidity are February, August, September, October and November (90%).

Average rainfall in September
Aitape, Papua New Guinea

Average rainfall in September - Aitape, Papua New Guinea
  • Average rainfall in September: 188mm

The wettest month (with the highest rainfall) is November (233mm).
The driest month (with the least rainfall) is February (153mm).

Average rainfall days in September
Aitape, Papua New Guinea

Average rainfall days in September - Aitape, Papua New Guinea
  • Average rainfall days in September: 27.9 days

The month with the highest number of rainy days is August (29.7 days).
The month with the least rainy days is February (26 days).

Average sea temperature in September
Aitape, Papua New Guinea

Average sea temperature in September - Aitape, Papua New Guinea
  • Average sea temperature in September: 29.3°C

The best month for swimming (with the highest average sea temperature) is November (29.8°C).
The coldest month (with the lowest average sea temperature) is August (28.9°C).

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

Average daylight in September / Average sunshine in September - Aitape, Papua New Guinea
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in September: 5h and 4min

The month with the most sunshine is August (Average sunshine: 5h and 54min).
The months with the least sunshine are March and April (Average sunshine: 4h and 54min).

Average sunshine days in September
Aitape, Papua New Guinea

Average sunshine days in September - Aitape, Papua New Guinea
  • Average sunshine days in September: 1.7 days

The month with the most sunshine days is January (2.5 days).
The month with the least sunshine days is August (1 days).

Average UV index in September
Aitape, Papua New Guinea

Average UV index in September - Aitape, Papua New Guinea
  • Average UV index in September: 6

The months with the highest UV index are January, February, May and September (UV index 6).
The months with the lowest UV index are March, April, June, July, August, October, November and December (UV index 5).

Average cloud cover in September
Aitape, Papua New Guinea

Average cloud cover in September - Aitape, Papua New Guinea
  • Average cloud cover in September: 69

The months with the most cloud cover are March and April (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 67).

Average visibility in September
Aitape, Papua New Guinea

Average visibility in September - Aitape, Papua New Guinea
  • Average visibility in September: 5km

The months with the highest visibility are January, February, June, July, August and October (6km).
The months with the lowest visibility are March, April, May, September, November and December (5km).

Aitape, Papua New Guinea

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