September Weather in Klaten, Indonesia

Last updated: August 23, 2025

In Klaten, Indonesia, the average temperature in September hovers around 25°C (77°F), making it a pleasant time to visit. Expect minimum temperatures of 17°C (63°F) and highs reaching up to 35°C (95°F). With an average humidity of 70%, you might feel a bit of stickiness in the air. Be prepared for some light showers, as the area sees about 43 mm (1.7 in) of precipitation over 8 days. Perfect for enjoying both sunny days and cozy rain showers!

September Temperature in Klaten

In September in Klaten, the average temperature is 25°C (77°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 17°C (63°F). This mild climate makes Klaten an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Klaten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Klaten, September typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Klaten

In Klaten in September, the total precipitation amount is 43 mm (1.7 in) over the course of 8 days.

September Precipitation Trends in Klaten

The chart displays monthly precipitation patterns in Klaten, 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 Klaten, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Klaten

In Klaten in September, humidity is 70%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, moist blanket that clings to your skin, making every step feel heavier as you explore the sights and sounds of your destination.

September Average Humidity in Klaten

This chart illustrates the average monthly humidity levels in Klaten, 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 Klaten is approximately 70%, 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 Klaten

In Klaten 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 Klaten.

Maximum UV Index Levels in Klaten for September

The chart shows the monthly maximum UV Index (UVI) for Klaten 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 Klaten typically reaches 15, which falls under the extreme exposure category.

Data source: Klaten 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 Klaten Compares to Other Months

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

This table compares monthly weather conditions in Klaten, 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 (78°F)	392 mm (15.4 inches)	82%	extreme
February Weather	26°C (78°F)	490 mm (19.3 inches)	86%	extreme
March Weather	26°C (79°F)	365 mm (14.4 inches)	84%	extreme
April Weather	26°C (79°F)	263 mm (10.4 inches)	80%	extreme
May Weather	26°C (80°F)	93 mm (3.7 inches)	81%	extreme
June Weather	26°C (78°F)	59 mm (2.3 inches)	81%	very high
July Weather	25°C (77°F)	11 mm (0.4 inches)	78%	extreme
August Weather	24°C (76°F)	11 mm (0.4 inches)	74%	extreme
September Weather	25°C (77°F)	43 mm (1.7 inches)	70%	extreme
October Weather	26°C (78°F)	115 mm (4.5 inches)	72%	extreme
November Weather	26°C (79°F)	344 mm (13.5 inches)	73%	extreme
December Weather	26°C (78°F)	383 mm (15.1 inches)	75%	extreme