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September Weather in Tarakan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Tarakan, Indonesia hovers around 27°C (82°F), with a comfortable minimum of 25°C (77°F) and highs reaching up to 32°C (90°F). Expect a significant precipitation amount of 247 mm (9.7 in) spread over 26 days, contributing to an average humidity level of 90%.

September Temperature in Tarakan

In September in Tarakan, the average temperature is 27°C (82°F). Maximums can reach 32°C (90°F), and minimums can be as low as 25°C (77°F). This weather makes Tarakan an ideal destination for travelers seeking warm and pleasant conditions.

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

The chart illustrates September temperature patterns in Tarakan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tarakan, 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 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec808181818281818181818181
Data source: Temperature data for Tarakan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Tarakan

In Tarakan in September, the precipitation amount is 247 mm (9.7 in) over the course of 26 days.

September Precipitation Trends in Tarakan

The chart displays monthly precipitation patterns in Tarakan, 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 Tarakan, September typically receives around 247 mm (9.7 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec254224263250249240246245247268317379
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tarakan

In Tarakan in September humidity is 90%. With an average temperature of 27°C (82°F), this humidity feels like a thick, enveloping blanket that makes traveling feel heavy and sluggish, causing you to constantly seek shade and refreshment as you navigate the sweltering air.

September Average Humidity in Tarakan

This chart illustrates the average monthly humidity levels in Tarakan, 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 Tarakan is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%89%87%87%87%88%90%90%88%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tarakan

In Tarakan 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 Tarakan.

Maximum UV Index Levels in Tarakan for September

The chart shows the monthly maximum UV Index (UVI) for Tarakan 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 Tarakan typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141617161513131415151313
Data source: Tarakan 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 Tarakan Compares to Other Months

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

This table compares monthly weather conditions in Tarakan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)254 mm (10.0 inches)91%extreme
February Weather27°C (81°F)224 mm (8.8 inches)89%extreme
March Weather27°C (81°F)263 mm (10.4 inches)89%extreme
April Weather27°C (82°F)250 mm (9.8 inches)87%extreme
May Weather28°C (82°F)249 mm (9.8 inches)87%extreme
June Weather27°C (82°F)240 mm (9.4 inches)87%extreme
July Weather27°C (82°F)246 mm (9.7 inches)88%extreme
August Weather27°C (82°F)245 mm (9.7 inches)89%extreme
September Weather27°C (82°F)247 mm (9.7 inches)90%extreme
October Weather27°C (82°F)268 mm (10.5 inches)88%extreme
November Weather27°C (81°F)317 mm (12.5 inches)88%extreme
December Weather27°C (81°F)379 mm (14.9 inches)89%extreme

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