September Weather in Kajen, Indonesia

Last updated: August 23, 2025

In Kajen, Indonesia, the average temperature in September hovers around 26°C (79°F). Expect a pleasant range where the minimum dips to 20°C (69°F) and the maximum peaks at 31°C (89°F). However, be prepared for some moisture, as the region experiences 94 mm (3.7 in) of precipitation over approximately 14 days, complemented by an average humidity level of 72%. Enjoy a balmy atmosphere while staying mindful of the rain!

September Temperature in Kajen

In September in Kajen, the average temperature is 26°C (79°F), with maximums reaching 31°C (89°F) and minimums dropping as low as 20°C (69°F). This makes it an ideal time for travelers to enjoy pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Kajen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kajen, September typically has an average temperature of 26°C (79°F), with highs reaching up to 31°C (89°F) and lows dropping to around 20°C (69°F).

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

September Precipitation in Kajen

In Kajen in September, the precipitation amount is 94 mm (3.7 in) recorded over the course of 14 days.

September Precipitation Trends in Kajen

The chart displays monthly precipitation patterns in Kajen, 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 Kajen, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 14 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 Kajen

In Kajen in September, humidity is 72%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel a bit more strenuous but also adding a tropical charm to your travels.

September Average Humidity in Kajen

This chart illustrates the average monthly humidity levels in Kajen, 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 Kajen is approximately 72%, 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 Kajen

In Kajen 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 Kajen, you can check here.

Maximum UV Index Levels in Kajen for September

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

Data source: Kajen 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 Kajen Compares to Other Months

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

This table compares monthly weather conditions in Kajen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	380 mm (14.9 inches)	84%	extreme
February Weather	25°C (78°F)	441 mm (17.4 inches)	87%	extreme
March Weather	26°C (79°F)	427 mm (16.8 inches)	85%	extreme
April Weather	27°C (80°F)	381 mm (15.0 inches)	82%	extreme
May Weather	27°C (80°F)	177 mm (7.0 inches)	81%	extreme
June Weather	26°C (79°F)	146 mm (5.7 inches)	81%	extreme
July Weather	25°C (78°F)	40 mm (1.6 inches)	79%	extreme
August Weather	25°C (78°F)	37 mm (1.5 inches)	76%	extreme
September Weather	26°C (79°F)	94 mm (3.7 inches)	72%	extreme
October Weather	26°C (80°F)	180 mm (7.1 inches)	74%	extreme
November Weather	26°C (80°F)	390 mm (15.3 inches)	78%	extreme
December Weather	26°C (79°F)	463 mm (18.2 inches)	78%	extreme