September Weather in Cianjur, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Cianjur, Indonesia is a delightful 26°C (79°F). Temperatures can range from a comfortable 20°C (68°F) to a warm 34°C (94°F). Expect about 73 mm (2.9 in) of precipitation spread over 10 days, with an average humidity of 77%. Enjoy the balanced climate that makes this destination a perfect choice for your next adventure!

September Temperature in Cianjur

In September in Cianjur, the average temperature is 26°C (79°F), with maximums reaching 34°C (94°F) and minimums dipping as low as 20°C (68°F). This pleasant climate makes Cianjur an ideal destination for travelers looking to escape to warm and comfortable weather.

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

The chart illustrates September temperature patterns in Cianjur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cianjur, September typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (68°F).

Data source: Temperature data for Cianjur generated using information from the Copernicus Climate Change Service.

September Precipitation in Cianjur

In Cianjur in September, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

September Precipitation Trends in Cianjur

The chart displays monthly precipitation patterns in Cianjur, 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 Cianjur, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Cianjur

In Cianjur 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 Cianjur

This chart illustrates the average monthly humidity levels in Cianjur, 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 Cianjur is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cianjur

In Cianjur 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 Cianjur, you can check here.

Maximum UV Index Levels in Cianjur for September

The chart shows the monthly maximum UV Index (UVI) for Cianjur 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 Cianjur typically reaches 14, which falls under the extreme exposure category.

Data source: Cianjur 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 Cianjur Compares to Other Months

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

This table compares monthly weather conditions in Cianjur, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	269 mm (10.6 inches)	84%	extreme
February Weather	24°C (76°F)	325 mm (12.8 inches)	86%	extreme
March Weather	25°C (77°F)	319 mm (12.6 inches)	84%	extreme
April Weather	25°C (78°F)	294 mm (11.6 inches)	81%	extreme
May Weather	26°C (78°F)	168 mm (6.6 inches)	80%	extreme
June Weather	25°C (78°F)	74 mm (2.9 inches)	80%	extreme
July Weather	25°C (78°F)	35 mm (1.4 inches)	79%	extreme
August Weather	26°C (79°F)	37 mm (1.4 inches)	77%	extreme
September Weather	26°C (79°F)	73 mm (2.9 inches)	77%	extreme
October Weather	26°C (79°F)	176 mm (6.9 inches)	78%	extreme
November Weather	25°C (78°F)	291 mm (11.5 inches)	80%	extreme
December Weather	25°C (77°F)	308 mm (12.1 inches)	79%	extreme