September Weather in Buna, United States

Last updated: June 24, 2025

In Buna, United States, the average temperature in September reaches a pleasant 26°C (79°F). However, you might experience a range from a cool 13°C (56°F) to a warm 37°C (99°F). Be prepared for 170 mm (6.7 in) of precipitation spread over 14 days, contributing to an average humidity level of 72%. Enjoy the warm days but pack an umbrella just in case!

September Temperature in Buna

In September in Buna, the average temperature is 26°C (79°F). Maximum temperatures can reach 37°C (99°F), while minimums can dip as low as 13°C (56°F). This climate makes Buna an ideal destination for travelers seeking warm weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Buna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buna, September typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Buna

In Buna in September, the total precipitation amount is 170 mm (6.7 in) accumulated over the course of 14 days.

September Precipitation Trends in Buna

The chart displays monthly precipitation patterns in Buna, 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 Buna, September typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 14 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 Buna

In Buna in September, humidity is 72%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel a bit more strenuous but also adding a tropical charm to your travels.

September Average Humidity in Buna

This chart illustrates the average monthly humidity levels in Buna, 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 Buna is approximately 72%, 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 Buna

In Buna in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Buna.

Maximum UV Index Levels in Buna for September

The chart shows the monthly maximum UV Index (UVI) for Buna 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 Buna typically reaches 10, which falls under the very high exposure category.

Data source: Buna 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 Buna Compares to Other Months

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

This table compares monthly weather conditions in Buna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	103 mm (4.1 inches)	81%	moderate
February Weather	14°C (57°F)	106 mm (4.2 inches)	81%	very high
March Weather	18°C (65°F)	86 mm (3.4 inches)	79%	very high
April Weather	20°C (68°F)	128 mm (5.1 inches)	80%	very high
May Weather	24°C (76°F)	207 mm (8.2 inches)	81%	extreme
June Weather	27°C (81°F)	177 mm (7.0 inches)	76%	extreme
July Weather	28°C (83°F)	131 mm (5.2 inches)	73%	extreme
August Weather	28°C (83°F)	224 mm (8.8 inches)	71%	extreme
September Weather	26°C (79°F)	170 mm (6.7 inches)	72%	very high
October Weather	22°C (71°F)	149 mm (5.9 inches)	73%	very high
November Weather	16°C (60°F)	69 mm (2.7 inches)	83%	high
December Weather	13°C (56°F)	137 mm (5.4 inches)	88%	moderate