September Weather in Palu, Indonesia

Last updated: August 23, 2025

In Palu, Indonesia during September, the average temperature hovers around 24°C (76°F). Expect a comfortable range, with minimum temperatures dipping to 19°C (66°F) and highs reaching up to 31°C (88°F). However, plan for some wet days, as 426 mm (16.8 in) of precipitation is anticipated over 28 days, contributing to an average humidity level of 75%. Be prepared for a mix of warmth and moisture!

September Temperature in Palu

In September in Palu, the average temperature is 24°C (76°F). Maximums can reach 31°C (88°F) and minimums can be as low as 19°C (66°F). This pleasant climate makes it an ideal destination for travelers seeking comfortable weather for outdoor activities.

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

The chart illustrates September temperature patterns in Palu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palu, September typically has an average temperature of 24°C (76°F), with highs reaching up to 31°C (88°F) and lows dropping to around 19°C (66°F).

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

September Precipitation in Palu

In Palu in September, the total precipitation amount is 426 mm (16.8 in) over a span of 28 days.

September Precipitation Trends in Palu

The chart displays monthly precipitation patterns in Palu, 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 Palu, September typically receives around 426 mm (16.8 inches) of precipitation spread over approximately 28 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 Palu

In Palu in September, humidity is 75%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, making travel somewhat stifling but also richly invigorating, as the air seems to wrap around you, heightening the experience of the local sights and sounds.

September Average Humidity in Palu

This chart illustrates the average monthly humidity levels in Palu, 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 Palu is approximately 75%, 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 Palu

In Palu 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 Palu.

Maximum UV Index Levels in Palu for September

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

Data source: Palu 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 Palu Compares to Other Months

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

This table compares monthly weather conditions in Palu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	169 mm (6.7 inches)	82%	extreme
February Weather	24°C (76°F)	223 mm (8.8 inches)	84%	extreme
March Weather	24°C (76°F)	303 mm (11.9 inches)	84%	extreme
April Weather	25°C (77°F)	286 mm (11.3 inches)	81%	extreme
May Weather	25°C (77°F)	361 mm (14.2 inches)	76%	extreme
June Weather	24°C (76°F)	428 mm (16.9 inches)	77%	extreme
July Weather	24°C (76°F)	344 mm (13.5 inches)	77%	extreme
August Weather	24°C (76°F)	363 mm (14.3 inches)	79%	extreme
September Weather	24°C (76°F)	426 mm (16.8 inches)	75%	extreme
October Weather	24°C (76°F)	383 mm (15.1 inches)	75%	extreme
November Weather	25°C (76°F)	326 mm (12.8 inches)	77%	extreme
December Weather	25°C (77°F)	207 mm (8.2 inches)	80%	extreme