September Weather in Surakarta, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Surakarta, Indonesia is a pleasant 26°C (79°F). Prepare for a range of temperatures, with a minimum of 18°C (65°F) and a maximum reaching 34°C (94°F). Expect about 44 mm (1.7 in) of precipitation over 6 days, coupled with an average humidity of 70%. Embrace the warm climate!

September Temperature in Surakarta

In September in Surakarta, the average temperature is 26°C (79°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 18°C (65°F). This pleasant climate makes Surakarta an ideal destination for travelers seeking warmth and comfortable weather.

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

The chart illustrates September temperature patterns in Surakarta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surakarta, 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 18°C (65°F).

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

September Precipitation in Surakarta

In Surakarta in September, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.

September Precipitation Trends in Surakarta

The chart displays monthly precipitation patterns in Surakarta, 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 Surakarta, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 6 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 Surakarta

In Surakarta in September, humidity is 70%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures a bit sticky but also invigorating, requiring frequent breaks to hydrate and cool off.

September Average Humidity in Surakarta

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

In Surakarta 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 Surakarta, you can check here.

Maximum UV Index Levels in Surakarta for September

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

Data source: Surakarta 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 Surakarta Compares to Other Months

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

This table compares monthly weather conditions in Surakarta, 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 (78°F)	319 mm (12.6 inches)	82%	extreme
February Weather	25°C (78°F)	394 mm (15.5 inches)	86%	extreme
March Weather	26°C (79°F)	316 mm (12.4 inches)	84%	extreme
April Weather	26°C (80°F)	235 mm (9.2 inches)	80%	extreme
May Weather	27°C (80°F)	84 mm (3.3 inches)	81%	extreme
June Weather	26°C (79°F)	66 mm (2.6 inches)	81%	very high
July Weather	25°C (78°F)	18 mm (0.7 inches)	78%	extreme
August Weather	25°C (78°F)	10 mm (0.4 inches)	74%	extreme
September Weather	26°C (79°F)	44 mm (1.7 inches)	70%	extreme
October Weather	26°C (80°F)	98 mm (3.8 inches)	72%	extreme
November Weather	26°C (79°F)	275 mm (10.8 inches)	73%	extreme
December Weather	26°C (79°F)	308 mm (12.1 inches)	75%	extreme