September Weather in Ketahun, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Ketahun, Indonesia is a pleasant 26°C (80°F). Expect a minimum of 24°C (75°F) and a maximum of 29°C (85°F), creating a comfortable warm climate. However, be prepared for some rain, with an average precipitation of 280 mm (11.0 in) spread over 24 days. The air is quite humid as well, with average humidity levels around 84%.

September Temperature in Ketahun

In September in Ketahun, the average temperature is 26°C (80°F). Maximums can reach up to 29°C (85°F), while minimums can drop as low as 24°C (75°F). Overall, it's a pleasant time to visit, perfect for enjoying outdoor activities and exploring the local attractions.

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

The chart illustrates September temperature patterns in Ketahun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ketahun, September typically has an average temperature of 26°C (80°F), with highs reaching up to 29°C (85°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Ketahun

In Ketahun in September, the precipitation amount is 280 mm (11.0 in) accumulated over a span of 24 days.

September Precipitation Trends in Ketahun

The chart displays monthly precipitation patterns in Ketahun, 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 Ketahun, September typically receives around 280 mm (11.0 inches) of precipitation spread over approximately 24 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 Ketahun

In Ketahun in September, humidity is 84%. With an average temperature of 26°C (80°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and intense, often leaving you longing for a cool breeze or a shaded spot to escape the heat.

September Average Humidity in Ketahun

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

In Ketahun 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 Ketahun.

Maximum UV Index Levels in Ketahun for September

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

Data source: Ketahun 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 Ketahun Compares to Other Months

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

This table compares monthly weather conditions in Ketahun, 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)	288 mm (11.3 inches)	83%	extreme
February Weather	27°C (81°F)	268 mm (10.6 inches)	80%	extreme
March Weather	27°C (82°F)	295 mm (11.6 inches)	79%	extreme
April Weather	27°C (82°F)	298 mm (11.7 inches)	80%	extreme
May Weather	28°C (82°F)	232 mm (9.2 inches)	78%	extreme
June Weather	27°C (82°F)	258 mm (10.1 inches)	78%	extreme
July Weather	27°C (81°F)	168 mm (6.6 inches)	79%	extreme
August Weather	27°C (80°F)	214 mm (8.4 inches)	82%	extreme
September Weather	26°C (80°F)	280 mm (11.0 inches)	84%	extreme
October Weather	26°C (80°F)	298 mm (11.8 inches)	85%	extreme
November Weather	26°C (80°F)	274 mm (10.8 inches)	84%	extreme
December Weather	27°C (80°F)	320 mm (12.6 inches)	83%	extreme