September Weather in Karanganyar, Indonesia

Last updated: August 23, 2025

In Karanganyar, Indonesia, the average temperature in September hovers around 27°C (81°F), with a comfortable minimum of 19°C (67°F) and a warm maximum reaching up to 36°C (97°F). Expect 47 mm (1.8 in) of precipitation spread over 5 days, while the average humidity stays at a notable 70%. Stay prepared for the perfect blend of warmth and occasional rain!

September Temperature in Karanganyar

In September in Karanganyar, the average temperature is 27°C (81°F). Maximums can reach 36°C (97°F), and minimums can be as low as 19°C (67°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Karanganyar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karanganyar, September typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 19°C (67°F).

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

September Precipitation in Karanganyar

In Karanganyar in September, the total precipitation amount is 47 mm (1.8 in) over the course of 5 days.

September Precipitation Trends in Karanganyar

The chart displays monthly precipitation patterns in Karanganyar, 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 Karanganyar, September typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 5 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 Karanganyar

In Karanganyar in September humidity is 70%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace that clings to the skin, making it essential to stay hydrated and plan for plenty of shade while exploring the vibrant sights and sounds.

September Average Humidity in Karanganyar

This chart illustrates the average monthly humidity levels in Karanganyar, 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 Karanganyar 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 Karanganyar

In Karanganyar 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 Karanganyar, you can check here.

Maximum UV Index Levels in Karanganyar for September

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

Data source: Karanganyar 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 Karanganyar Compares to Other Months

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

This table compares monthly weather conditions in Karanganyar, 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)	286 mm (11.3 inches)	82%	extreme
February Weather	26°C (79°F)	379 mm (14.9 inches)	86%	extreme
March Weather	27°C (80°F)	357 mm (14.1 inches)	84%	extreme
April Weather	27°C (81°F)	262 mm (10.3 inches)	80%	extreme
May Weather	27°C (81°F)	88 mm (3.5 inches)	81%	extreme
June Weather	27°C (81°F)	76 mm (3.0 inches)	81%	very high
July Weather	27°C (80°F)	17 mm (0.7 inches)	78%	extreme
August Weather	27°C (80°F)	11 mm (0.4 inches)	74%	extreme
September Weather	27°C (81°F)	47 mm (1.8 inches)	70%	extreme
October Weather	28°C (82°F)	105 mm (4.2 inches)	72%	extreme
November Weather	27°C (81°F)	297 mm (11.7 inches)	73%	extreme
December Weather	27°C (80°F)	326 mm (12.8 inches)	75%	extreme