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September Weather in Rantepang, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Rantepang, Indonesia is a comfortable 23°C (74°F). Visitors can expect minimum temperatures dipping to 15°C (59°F) and occasionally reaching a warm 31°C (88°F). However, with an average humidity of 78% and about 119 mm (4.7 in) of precipitation spread over 15 days, it's wise to prepare for some rain during your stay.

September Temperature in Rantepang

In September in Rantepang, the average temperature is 23°C (74°F), with maximums reaching up to 31°C (88°F) and minimums dipping as low as 15°C (59°F). This pleasant climate makes Rantepang an ideal destination for travelers looking to enjoy comfortable weather and outdoor activities.

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

The chart illustrates September temperature patterns in Rantepang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rantepang, September typically has an average temperature of 23°C (74°F), with highs reaching up to 31°C (88°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575757573737374757676
Data source: Temperature data for Rantepang 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 Rantepang

In Rantepang in September, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

September Precipitation Trends in Rantepang

The chart displays monthly precipitation patterns in Rantepang, 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 Rantepang, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec471444637544247240183135119178281444
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rantepang

In Rantepang in September humidity is 78%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping embrace, making travel somewhat stifling and prompting frequent breaks to hydrate and seek shade.

September Average Humidity in Rantepang

This chart illustrates the average monthly humidity levels in Rantepang, 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 Rantepang is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%86%84%81%82%83%83%78%78%79%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rantepang

In Rantepang 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 Rantepang.

Maximum UV Index Levels in Rantepang for September

The chart shows the monthly maximum UV Index (UVI) for Rantepang 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 Rantepang typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161717161512131415161515
Data source: Rantepang 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 Rantepang Compares to Other Months

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

This table compares monthly weather conditions in Rantepang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)471 mm (18.5 inches)84%extreme
February Weather24°C (75°F)444 mm (17.5 inches)86%extreme
March Weather24°C (75°F)637 mm (25.1 inches)86%extreme
April Weather24°C (75°F)544 mm (21.4 inches)84%extreme
May Weather24°C (75°F)247 mm (9.7 inches)81%extreme
June Weather23°C (74°F)239 mm (9.4 inches)82%extreme
July Weather23°C (73°F)183 mm (7.2 inches)83%extreme
August Weather23°C (74°F)135 mm (5.3 inches)83%extreme
September Weather23°C (74°F)119 mm (4.7 inches)78%extreme
October Weather24°C (76°F)178 mm (7.0 inches)78%extreme
November Weather24°C (76°F)281 mm (11.1 inches)79%extreme
December Weather24°C (76°F)444 mm (17.5 inches)83%extreme

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