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September Weather in Ciaren, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Ciaren, Indonesia hovers around 23°C (74°F), with a minimum of 17°C (64°F) and a maximum of 31°C (87°F). Expect some rain, as 91 mm (3.6 in) of precipitation typically falls over 17 days. The air is quite humid, averaging 72%, making for a warm and somewhat sticky atmosphere.

September Temperature in Ciaren

In September in Ciaren, the average temperature is 23°C (74°F). Maximums can reach up to 31°C (87°F), while minimums can be as low as 17°C (64°F). This mild and pleasant weather makes it an ideal time for travelers to explore Ciaren.

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

The chart illustrates September temperature patterns in Ciaren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ciaren, September typically has an average temperature of 23°C (74°F), with highs reaching up to 31°C (87°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787876747374767777
Data source: Temperature data for Ciaren 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 Ciaren

In Ciaren in September, the precipitation amount is 91 mm (3.6 in) over the course of 17 days.

September Precipitation Trends in Ciaren

The chart displays monthly precipitation patterns in Ciaren, 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 Ciaren, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec47648842329014677594891140364430
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ciaren

In Ciaren in September humidity is 72%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities a challenge but offering a refreshing atmosphere for leisurely strolls in the shade.

September Average Humidity in Ciaren

This chart illustrates the average monthly humidity levels in Ciaren, 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 Ciaren is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%85%82%81%81%79%76%72%74%78%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ciaren

In Ciaren in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Ciaren, you can check here.

Maximum UV Index Levels in Ciaren for September

The chart shows the monthly maximum UV Index (UVI) for Ciaren 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 Ciaren typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151516141211111314151514
Data source: Ciaren 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 Ciaren Compares to Other Months

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

This table compares monthly weather conditions in Ciaren, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)476 mm (18.7 inches)84%extreme
February Weather25°C (77°F)488 mm (19.2 inches)87%extreme
March Weather25°C (78°F)423 mm (16.7 inches)85%extreme
April Weather26°C (78°F)290 mm (11.4 inches)82%extreme
May Weather25°C (78°F)146 mm (5.7 inches)81%extreme
June Weather25°C (76°F)77 mm (3.0 inches)81%extreme
July Weather23°C (74°F)59 mm (2.3 inches)79%extreme
August Weather23°C (73°F)48 mm (1.9 inches)76%extreme
September Weather23°C (74°F)91 mm (3.6 inches)72%extreme
October Weather24°C (76°F)140 mm (5.5 inches)74%extreme
November Weather25°C (77°F)364 mm (14.3 inches)78%extreme
December Weather25°C (77°F)430 mm (16.9 inches)78%extreme

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