September Weather in Kotabumi, Indonesia

Last updated: August 23, 2025

In Kotabumi, Indonesia, the average temperature in September reaches a warm 28°C (83°F). Expect a range between a comfortable 22°C (72°F) and a sweltering 36°C (98°F). During this time, precipitation totals around 84 mm (3.3 in) spread over 12 days, contributing to an average humidity level of 81%.

September Temperature in Kotabumi

In September in Kotabumi, the average temperature is 28°C (83°F). Maximums can reach 36°C (98°F), and minimums can be as low as 22°C (72°F). This mild climate makes it an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Kotabumi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kotabumi, September typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (98°F) and lows dropping to around 22°C (72°F).

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

September Precipitation in Kotabumi

In Kotabumi in September, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

September Precipitation Trends in Kotabumi

The chart displays monthly precipitation patterns in Kotabumi, 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 Kotabumi, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 12 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 Kotabumi

In Kotabumi in September, humidity is 81%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel feel both stifling and exhausting.

September Average Humidity in Kotabumi

This chart illustrates the average monthly humidity levels in Kotabumi, 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 Kotabumi 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 Kotabumi

In Kotabumi 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 Kotabumi, you can check here.

Maximum UV Index Levels in Kotabumi for September

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

Data source: Kotabumi 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 Kotabumi Compares to Other Months

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

This table compares monthly weather conditions in Kotabumi, 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)	197 mm (7.8 inches)	87%	extreme
February Weather	27°C (81°F)	282 mm (11.1 inches)	86%	extreme
March Weather	27°C (81°F)	319 mm (12.6 inches)	85%	extreme
April Weather	27°C (82°F)	253 mm (10.0 inches)	84%	extreme
May Weather	28°C (82°F)	189 mm (7.4 inches)	82%	extreme
June Weather	27°C (81°F)	144 mm (5.7 inches)	82%	extreme
July Weather	27°C (81°F)	87 mm (3.4 inches)	83%	extreme
August Weather	27°C (82°F)	59 mm (2.3 inches)	82%	extreme
September Weather	28°C (83°F)	84 mm (3.3 inches)	81%	extreme
October Weather	28°C (84°F)	117 mm (4.6 inches)	81%	extreme
November Weather	28°C (82°F)	241 mm (9.5 inches)	83%	extreme
December Weather	27°C (81°F)	265 mm (10.5 inches)	84%	extreme