September Weather in Kotabunan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Kotabunan, Indonesia is a warm 26°C (79°F), with a comfortable minimum of 21°C (71°F) and a maximum of 30°C (87°F). Expect 166 mm (6.5 in) of precipitation spread over 21 days, contributing to an average humidity of 80%. Embrace the tropical vibe while staying prepared for the occasional downpour!

September Temperature in Kotabunan

In September in Kotabunan, the average temperature is 26°C (79°F). Maximums can reach 30°C (87°F), and minimums can drop as low as 21°C (71°F). This mild and pleasant climate makes it an ideal time for travelers to explore the attractions of Kotabunan.

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

The chart illustrates September temperature patterns in Kotabunan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kotabunan, September typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (87°F) and lows dropping to around 21°C (71°F).

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

September Precipitation in Kotabunan

In Kotabunan in September, the precipitation amount is 166 mm (6.5 in) accumulated over a period of 21 days.

September Precipitation Trends in Kotabunan

The chart displays monthly precipitation patterns in Kotabunan, 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 Kotabunan, September typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 21 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 Kotabunan

In Kotabunan in September humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.

September Average Humidity in Kotabunan

This chart illustrates the average monthly humidity levels in Kotabunan, 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 Kotabunan is approximately 80%, 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 Kotabunan

In Kotabunan 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 Kotabunan.

Maximum UV Index Levels in Kotabunan for September

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

Data source: Kotabunan 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 Kotabunan Compares to Other Months

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

This table compares monthly weather conditions in Kotabunan, 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 (80°F)	157 mm (6.2 inches)	80%	extreme
February Weather	27°C (80°F)	155 mm (6.1 inches)	84%	extreme
March Weather	27°C (80°F)	199 mm (7.8 inches)	84%	extreme
April Weather	27°C (80°F)	223 mm (8.8 inches)	82%	extreme
May Weather	27°C (80°F)	206 mm (8.1 inches)	76%	extreme
June Weather	26°C (79°F)	270 mm (10.6 inches)	78%	extreme
July Weather	26°C (78°F)	249 mm (9.8 inches)	80%	extreme
August Weather	26°C (79°F)	128 mm (5.0 inches)	82%	extreme
September Weather	26°C (79°F)	166 mm (6.5 inches)	80%	extreme
October Weather	27°C (80°F)	124 mm (4.9 inches)	78%	extreme
November Weather	27°C (81°F)	181 mm (7.1 inches)	77%	extreme
December Weather	27°C (81°F)	194 mm (7.6 inches)	78%	extreme