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September Weather in Ratahan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Ratahan, Indonesia is a pleasant 24°C (76°F). Expect minimums around 19°C (67°F) and a warm maximum of 30°C (86°F). Be prepared for 193 mm (7.6 in) of precipitation over 20 days, while the humidity level remains high at an average of 80%.

September Temperature in Ratahan

In September in Ratahan, the average temperature is 24°C (76°F), with maximums reaching up to 30°C (86°F) and minimums dipping to as low as 19°C (67°F). This pleasant climate makes it an ideal time for traveling and enjoying outdoor activities in Ratahan.

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

The chart illustrates September temperature patterns in Ratahan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ratahan, September typically has an average temperature of 24°C (76°F), with highs reaching up to 30°C (86°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777777776767676777878
Data source: Temperature data for Ratahan 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 Ratahan

In Ratahan in September, the precipitation amount is 193 mm (7.6 in) spread over a total of 20 days.

September Precipitation Trends in Ratahan

The chart displays monthly precipitation patterns in Ratahan, 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 Ratahan, September typically receives around 193 mm (7.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec180165208231229277242137193169182186
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ratahan

In Ratahan in September humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

September Average Humidity in Ratahan

This chart illustrates the average monthly humidity levels in Ratahan, 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 Ratahan is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%84%82%76%78%80%82%80%78%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ratahan

In Ratahan 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 Ratahan.

Maximum UV Index Levels in Ratahan for September

The chart shows the monthly maximum UV Index (UVI) for Ratahan 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 Ratahan typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616161512131415151413
Data source: Ratahan 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 Ratahan Compares to Other Months

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

This table compares monthly weather conditions in Ratahan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)180 mm (7.1 inches)80%extreme
February Weather25°C (77°F)165 mm (6.5 inches)84%extreme
March Weather25°C (78°F)208 mm (8.2 inches)84%extreme
April Weather25°C (78°F)231 mm (9.1 inches)82%extreme
May Weather25°C (78°F)229 mm (9.0 inches)76%extreme
June Weather25°C (77°F)277 mm (10.9 inches)78%extreme
July Weather24°C (76°F)242 mm (9.5 inches)80%extreme
August Weather24°C (76°F)137 mm (5.4 inches)82%extreme
September Weather24°C (76°F)193 mm (7.6 inches)80%extreme
October Weather25°C (77°F)168 mm (6.6 inches)78%extreme
November Weather25°C (78°F)182 mm (7.2 inches)77%extreme
December Weather26°C (78°F)186 mm (7.3 inches)78%extreme

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