September Weather in Koten, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Koten, Indonesia hovers around 27°C (81°F), providing a warm and inviting atmosphere. The temperature can dip to a pleasant 24°C (75°F) at night, while highs can reach up to 29°C (85°F) during the day. You can expect a modest precipitation of 11 mm (0.4 in) spread over 3 days, accompanied by an average humidity level of 69%, adding a hint of tropical charm to your experience.

September Temperature in Koten

In September in Koten, the average temperature is 27°C (81°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 24°C (75°F). This mild and pleasant weather makes Koten an ideal destination for travelers seeking comfort and warmth.

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

The chart illustrates September temperature patterns in Koten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koten, September typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Koten

In Koten in September, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

September Precipitation Trends in Koten

The chart displays monthly precipitation patterns in Koten, 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 Koten, September typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 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 Koten

In Koten in September, humidity is 69%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket wrapped around you, making it essential to stay hydrated and take frequent breaks during your travels.

September Average Humidity in Koten

This chart illustrates the average monthly humidity levels in Koten, 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 Koten is approximately 69%, 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 Koten

In Koten 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 Koten.

Maximum UV Index Levels in Koten for September

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

Data source: Koten 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 Koten Compares to Other Months

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

This table compares monthly weather conditions in Koten, 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)	391 mm (15.4 inches)	78%	extreme
February Weather	27°C (81°F)	330 mm (13.0 inches)	84%	extreme
March Weather	27°C (81°F)	258 mm (10.1 inches)	84%	extreme
April Weather	28°C (83°F)	95 mm (3.7 inches)	83%	extreme
May Weather	28°C (83°F)	66 mm (2.6 inches)	84%	extreme
June Weather	27°C (82°F)	35 mm (1.4 inches)	80%	extreme
July Weather	27°C (81°F)	14 mm (0.6 inches)	75%	extreme
August Weather	27°C (80°F)	11 mm (0.4 inches)	72%	extreme
September Weather	27°C (81°F)	11 mm (0.4 inches)	69%	extreme
October Weather	28°C (82°F)	24 mm (1.0 inches)	69%	extreme
November Weather	28°C (83°F)	103 mm (4.0 inches)	69%	extreme
December Weather	28°C (82°F)	272 mm (10.7 inches)	72%	extreme