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September Weather in Tanah Merah, Indonesia

Last updated: August 23, 2025

In Tanah Merah, Indonesia, the average temperature in September is a warm 26°C (79°F), with a minimum of 21°C (70°F) and a peak of 33°C (91°F). Expect 255 mm (10.0 in) of precipitation spread over 23 days, contributing to an average humidity level of 77%. Embrace the warmth and occasional showers during your visit!

September Temperature in Tanah Merah

In September in Tanah Merah, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 21°C (70°F). This pleasant climate makes it an ideal destination for travelers seeking warm and comfortable weather.

September Weather in Tanah Merah: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tanah Merah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tanah Merah, September typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec818180818179797979808181
Data source: Temperature data for Tanah Merah 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 Tanah Merah

In Tanah Merah in September, the precipitation amount is 255 mm (10.0 in) over the course of 23 days.

September Precipitation Trends in Tanah Merah

The chart displays monthly precipitation patterns in Tanah Merah, 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 Tanah Merah, September typically receives around 255 mm (10.0 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec304308428451327194157183255301341343
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tanah Merah

In Tanah Merah in September humidity is 77%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick fog that clings to your skin, making every step feel heavier and more exhausting while exploring the sights.

September Average Humidity in Tanah Merah

This chart illustrates the average monthly humidity levels in Tanah Merah, 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 Tanah Merah is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%90%90%90%85%81%77%79%86%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tanah Merah

In Tanah Merah 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 Tanah Merah.

Maximum UV Index Levels in Tanah Merah for September

The chart shows the monthly maximum UV Index (UVI) for Tanah Merah 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 Tanah Merah typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161717161311121315161414
Data source: Tanah Merah 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 Tanah Merah Compares to Other Months

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

This table compares monthly weather conditions in Tanah Merah, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)304 mm (12.0 inches)89%extreme
February Weather27°C (81°F)308 mm (12.1 inches)89%extreme
March Weather27°C (80°F)428 mm (16.9 inches)90%extreme
April Weather27°C (81°F)451 mm (17.8 inches)90%extreme
May Weather27°C (81°F)327 mm (12.9 inches)90%extreme
June Weather26°C (80°F)194 mm (7.6 inches)90%extreme
July Weather26°C (79°F)157 mm (6.2 inches)85%extreme
August Weather26°C (79°F)183 mm (7.2 inches)81%extreme
September Weather26°C (79°F)255 mm (10.0 inches)77%extreme
October Weather27°C (81°F)301 mm (11.9 inches)79%extreme
November Weather27°C (81°F)341 mm (13.4 inches)86%extreme
December Weather27°C (81°F)343 mm (13.5 inches)88%extreme

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