September Weather in Buin, Papua New Guinea

Last updated: August 31, 2025

In Buin, Papua New Guinea, the average temperature in September is a pleasant 26°C (79°F), with a minimum of 24°C (75°F) and a maximum reaching 29°C (84°F). Be prepared for significant rainfall, as the area experiences about 309 mm (12.1 in) of precipitation over 29 days. With an average humidity of 85%, expect a somewhat moist atmosphere that complements the tropical vibe.

September Temperature in Buin

In September in Buin, the average temperature is 26°C (79°F), with maximums reaching 29°C (84°F) and minimums dipping to 24°C (75°F). This pleasant climate makes it an ideal time to explore the local sights and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Buin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buin, September typically has an average temperature of 26°C (79°F), with highs reaching up to 29°C (84°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Buin

In Buin in September, the total precipitation amount is 309 mm (12.1 in) spread over 29 days.

September Precipitation Trends in Buin

The chart displays monthly precipitation patterns in Buin, 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 Buin, September typically receives around 309 mm (12.1 inches) of precipitation spread over approximately 29 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 Buin

In Buin in September, humidity is 85%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities feel stifling and exhausting for travelers.

September Average Humidity in Buin

This chart illustrates the average monthly humidity levels in Buin, 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 Buin is approximately 85%, 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 Buin

In Buin 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 Buin.

Maximum UV Index Levels in Buin for September

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

Data source: Buin 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 Buin Compares to Other Months

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

This table compares monthly weather conditions in Buin, 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)	212 mm (8.3 inches)	78%	extreme
February Weather	27°C (81°F)	284 mm (11.2 inches)	76%	extreme
March Weather	27°C (80°F)	288 mm (11.3 inches)	76%	extreme
April Weather	27°C (80°F)	335 mm (13.2 inches)	76%	extreme
May Weather	27°C (80°F)	278 mm (10.9 inches)	75%	extreme
June Weather	26°C (79°F)	258 mm (10.2 inches)	79%	extreme
July Weather	26°C (79°F)	358 mm (14.1 inches)	83%	extreme
August Weather	26°C (79°F)	369 mm (14.5 inches)	85%	extreme
September Weather	26°C (79°F)	309 mm (12.1 inches)	85%	extreme
October Weather	26°C (80°F)	260 mm (10.2 inches)	84%	extreme
November Weather	26°C (80°F)	258 mm (10.1 inches)	80%	extreme
December Weather	27°C (80°F)	310 mm (12.2 inches)	78%	extreme