September Weather in Aitape, Papua New Guinea

Last updated: August 31, 2025

In September, the average temperature in Aitape, Papua New Guinea is a warm 26°C (80°F). Expect a minimum of 22°C (72°F) and a maximum reaching up to 32°C (90°F). During this month, the area experiences 264 mm (10.4 in) of precipitation spread over 27 days, contributing to an average humidity of 86%.

September Temperature in Aitape

In September in Aitape, the average temperature is 26°C (80°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 22°C (72°F). This pleasant climate makes Aitape an ideal destination for travelers seeking warm weather and enjoyable outdoor activities.

September Weather in Aitape: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Aitape, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aitape, September typically has an average temperature of 26°C (80°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for Aitape generated using information from the Copernicus Climate Change Service.

September Precipitation in Aitape

In Aitape in September, the precipitation amount is 264 mm (10.4 in) during a span of 27 days.

September Precipitation Trends in Aitape

The chart displays monthly precipitation patterns in Aitape, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Aitape, September typically receives around 264 mm (10.4 inches) of precipitation spread over approximately 27 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Aitape

In Aitape in September humidity is 86%. With an average temperature of 26°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel exhausting and sticky, as sweat clings to your skin and every step becomes a laborious task in the sweltering conditions.

September Average Humidity in Aitape

This chart illustrates the average monthly humidity levels in Aitape, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Aitape is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aitape

In Aitape in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Aitape.

Maximum UV Index Levels in Aitape for September

The chart shows the monthly maximum UV Index (UVI) for Aitape in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Aitape typically reaches 15, which falls under the extreme exposure category.

Data source: Aitape September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Aitape Compares to Other Months

Weather in Aitape varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Aitape, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Aitape, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	187 mm (7.4 inches)	84%	extreme
February Weather	27°C (80°F)	255 mm (10.0 inches)	84%	extreme
March Weather	27°C (80°F)	292 mm (11.5 inches)	83%	extreme
April Weather	27°C (80°F)	290 mm (11.4 inches)	85%	extreme
May Weather	27°C (80°F)	303 mm (11.9 inches)	84%	extreme
June Weather	26°C (79°F)	275 mm (10.8 inches)	85%	extreme
July Weather	26°C (79°F)	337 mm (13.3 inches)	85%	extreme
August Weather	26°C (80°F)	301 mm (11.8 inches)	86%	extreme
September Weather	26°C (80°F)	264 mm (10.4 inches)	86%	extreme
October Weather	27°C (80°F)	299 mm (11.8 inches)	85%	extreme
November Weather	27°C (80°F)	304 mm (12.0 inches)	85%	extreme
December Weather	27°C (81°F)	260 mm (10.3 inches)	84%	extreme