September Weather in Bantul, Indonesia

Last updated: August 23, 2025

The average temperature in Bantul, Indonesia during September is a warm 27°C (82°F). Expect temperatures to range from a comfortable 21°C (71°F) to a sweltering 36°C (97°F). During this month, precipitation averages 123 mm (4.8 in) over 15 days, while the average humidity hovers around a sticky 79%.

September Temperature in Bantul

In September in Bantul, the average temperature is 27°C (82°F). Maximums can reach 36°C (97°F), while minimums can drop to as low as 21°C (71°F). This makes Bantul a perfect destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Bantul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bantul, September typically has an average temperature of 27°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (71°F).

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

September Precipitation in Bantul

In Bantul in September, the precipitation amount is 123 mm (4.8 in), occurring over a span of 15 days.

September Precipitation Trends in Bantul

The chart displays monthly precipitation patterns in Bantul, 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 Bantul, September typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 15 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 Bantul

In Bantul in September humidity is 79%. With an average temperature of 27°C (82°F), this humidity feels like traveling through a warm, thick blanket, making every step feel heavier and more exhausting, while the air clings to your skin, reminding you to stay hydrated and take frequent breaks in the shade.

September Average Humidity in Bantul

This chart illustrates the average monthly humidity levels in Bantul, 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 Bantul is approximately 79%, 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 Bantul

In Bantul 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 Bantul.

Maximum UV Index Levels in Bantul for September

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

Data source: Bantul 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 Bantul Compares to Other Months

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

This table compares monthly weather conditions in Bantul, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	333 mm (13.1 inches)	87%	extreme
February Weather	27°C (81°F)	321 mm (12.7 inches)	87%	extreme
March Weather	27°C (81°F)	415 mm (16.3 inches)	88%	extreme
April Weather	27°C (81°F)	319 mm (12.6 inches)	87%	extreme
May Weather	28°C (82°F)	238 mm (9.4 inches)	85%	extreme
June Weather	27°C (81°F)	199 mm (7.8 inches)	87%	extreme
July Weather	27°C (80°F)	138 mm (5.4 inches)	87%	extreme
August Weather	27°C (81°F)	111 mm (4.4 inches)	86%	extreme
September Weather	27°C (82°F)	123 mm (4.8 inches)	79%	extreme
October Weather	28°C (82°F)	174 mm (6.9 inches)	78%	extreme
November Weather	27°C (81°F)	377 mm (14.9 inches)	81%	extreme
December Weather	27°C (81°F)	383 mm (15.1 inches)	85%	extreme