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September Weather in Tarutung, Indonesia

Last updated: August 23, 2025

In Tarutung, Indonesia, the average temperature in September hovers around 21°C (70°F). Temperatures can range from a comfortable 15°C (59°F) to a warm 30°C (86°F). Expect 332 mm (13.1 in) of precipitation over 26 days, contributing to an average humidity of 87%. Be prepared for a wet and humid experience!

September Temperature in Tarutung

In September in Tarutung, the average temperature is 21°C (70°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as 15°C (59°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Tarutung.

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

The chart illustrates September temperature patterns in Tarutung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tarutung, September typically has an average temperature of 21°C (70°F), with highs reaching up to 30°C (86°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec707171717271707070707070
Data source: Temperature data for Tarutung 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 Tarutung

In Tarutung in September, the precipitation amount is 332 mm (13.1 in) spread over 26 days.

September Precipitation Trends in Tarutung

The chart displays monthly precipitation patterns in Tarutung, 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 Tarutung, September typically receives around 332 mm (13.1 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec232217313349279196177226332346458383
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tarutung

In Tarutung in September humidity is 87%. With an average temperature of 21°C (70°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities quite exhausting and requiring frequent breaks to hydrate and cool off.

September Average Humidity in Tarutung

This chart illustrates the average monthly humidity levels in Tarutung, 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 Tarutung is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%75%79%80%83%84%83%86%87%89%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tarutung

In Tarutung 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 Tarutung.

Maximum UV Index Levels in Tarutung for September

The chart shows the monthly maximum UV Index (UVI) for Tarutung 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 Tarutung typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516161513131415151413
Data source: Tarutung 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 Tarutung Compares to Other Months

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

This table compares monthly weather conditions in Tarutung, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)232 mm (9.1 inches)81%extreme
February Weather22°C (71°F)217 mm (8.5 inches)75%extreme
March Weather22°C (71°F)313 mm (12.3 inches)78%extreme
April Weather22°C (71°F)349 mm (13.7 inches)80%extreme
May Weather22°C (72°F)278 mm (11.0 inches)83%extreme
June Weather22°C (71°F)196 mm (7.7 inches)84%extreme
July Weather21°C (70°F)177 mm (7.0 inches)83%extreme
August Weather21°C (70°F)226 mm (8.9 inches)86%extreme
September Weather21°C (70°F)332 mm (13.1 inches)87%extreme
October Weather21°C (70°F)345 mm (13.6 inches)88%extreme
November Weather21°C (70°F)458 mm (18.0 inches)87%extreme
December Weather21°C (70°F)383 mm (15.1 inches)85%extreme

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