September Weather in Penajam, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Penajam, Indonesia hovers around 27°C (82°F), making it quite a warm destination. Expect the minimum temperature to dip to 24°C (75°F), while the mercury can rise to a steamy 32°C (90°F). Be prepared for some rain, as the region receives an average of 205 mm (8.1 in) of precipitation over 19 days. Additionally, maintain hydration during your stay – the average humidity is a high 84%!

September Temperature in Penajam

In September in Penajam, the average temperature is 27°C (82°F), with maximums reaching up to 32°C (90°F) and minimums dropping to as low as 24°C (75°F). This mild and warm climate makes Penajam an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Penajam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penajam, September typically has an average temperature of 27°C (82°F), with highs reaching up to 32°C (90°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Penajam

In Penajam in September, the total precipitation amount is 205 mm (8.1 in) over the course of 19 days.

September Precipitation Trends in Penajam

The chart displays monthly precipitation patterns in Penajam, 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 Penajam, September typically receives around 205 mm (8.1 inches) of precipitation spread over approximately 19 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 Penajam

In Penajam in September humidity is 84%. With an average temperature of 27°C (82°F), this humidity feels like walking through a warm, damp blanket, making travel feel heavier and more exhausting.

September Average Humidity in Penajam

This chart illustrates the average monthly humidity levels in Penajam, 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 Penajam is approximately 84%, 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 Penajam

In Penajam in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Penajam, you can check here.

Maximum UV Index Levels in Penajam for September

The chart shows the monthly maximum UV Index (UVI) for Penajam 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 Penajam typically reaches 14, which falls under the extreme exposure category.

Data source: Penajam 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 Penajam Compares to Other Months

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

This table compares monthly weather conditions in Penajam, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	237 mm (9.3 inches)	88%	extreme
February Weather	28°C (82°F)	227 mm (9.0 inches)	87%	extreme
March Weather	28°C (82°F)	313 mm (12.3 inches)	88%	extreme
April Weather	28°C (82°F)	295 mm (11.6 inches)	86%	extreme
May Weather	28°C (83°F)	237 mm (9.3 inches)	84%	extreme
June Weather	27°C (82°F)	211 mm (8.3 inches)	85%	extreme
July Weather	27°C (81°F)	160 mm (6.3 inches)	86%	extreme
August Weather	27°C (81°F)	155 mm (6.1 inches)	87%	extreme
September Weather	27°C (82°F)	205 mm (8.1 inches)	84%	extreme
October Weather	28°C (82°F)	221 mm (8.7 inches)	84%	extreme
November Weather	28°C (82°F)	246 mm (9.7 inches)	84%	extreme
December Weather	28°C (82°F)	245 mm (9.6 inches)	85%	extreme