September Weather in Wewak, Papua New Guinea

Last updated: August 31, 2025

In September, the average temperature in Wewak, Papua New Guinea hovers around 27°C (80°F), creating a warm and inviting atmosphere. Expect a comforting minimum of 24°C (76°F) and a pleasant maximum of 29°C (85°F). However, be prepared for frequent showers, as the area receives an average of 287 mm (11.3 in) of precipitation over 26 days. With an average humidity of 81%, the air feels lush and vibrant, perfect for exploring the local scenery.

September Temperature in Wewak

In September in Wewak, the average temperature is 27°C (80°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as 24°C (76°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy warm, comfortable weather.

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

The chart illustrates September temperature patterns in Wewak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wewak, September typically has an average temperature of 27°C (80°F), with highs reaching up to 29°C (85°F) and lows dropping to around 24°C (76°F).

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

September Precipitation in Wewak

In Wewak in September, the precipitation amount is 287 mm (11.3 in) spread over a duration of 26 days.

September Precipitation Trends in Wewak

The chart displays monthly precipitation patterns in Wewak, 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 Wewak, September typically receives around 287 mm (11.3 inches) of precipitation spread over approximately 26 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Wewak

In Wewak in September, humidity is 81%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy, but the vibrant atmosphere can still be invigorating, inviting moments of exploration in slower, more deliberate steps.

September Average Humidity in Wewak

This chart illustrates the average monthly humidity levels in Wewak, 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 Wewak is approximately 81%, 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 Wewak

In Wewak 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 Wewak.

Maximum UV Index Levels in Wewak for September

The chart shows the monthly maximum UV Index (UVI) for Wewak 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 Wewak typically reaches 15, which falls under the extreme exposure category.

Data source: Wewak 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 Wewak Compares to Other Months

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

This table compares monthly weather conditions in Wewak, 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)	163 mm (6.4 inches)	78%	extreme
February Weather	27°C (81°F)	184 mm (7.3 inches)	77%	extreme
March Weather	27°C (81°F)	215 mm (8.5 inches)	78%	extreme
April Weather	27°C (81°F)	259 mm (10.2 inches)	78%	extreme
May Weather	27°C (81°F)	266 mm (10.5 inches)	77%	extreme
June Weather	27°C (80°F)	334 mm (13.2 inches)	78%	extreme
July Weather	27°C (80°F)	332 mm (13.1 inches)	78%	extreme
August Weather	27°C (80°F)	252 mm (9.9 inches)	81%	extreme
September Weather	27°C (80°F)	287 mm (11.3 inches)	81%	extreme
October Weather	27°C (81°F)	280 mm (11.0 inches)	80%	extreme
November Weather	27°C (81°F)	296 mm (11.7 inches)	79%	extreme
December Weather	27°C (81°F)	219 mm (8.6 inches)	77%	extreme