September Weather in Bantarwaru, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Bantarwaru, Indonesia is a warm 27°C (80°F), with minimums dipping to 23°C (74°F) and maximums reaching up to 30°C (86°F). Expect 66 mm (2.6 in) of precipitation spread over 11 days, contributing to an average humidity level of 77%. It's a perfect time to enjoy the warmth, but be prepared for occasional rain!

September Temperature in Bantarwaru

In September in Bantarwaru, the average temperature is 27°C (80°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 23°C (74°F). This mild and pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Bantarwaru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bantarwaru, September typically has an average temperature of 27°C (80°F), with highs reaching up to 30°C (86°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Bantarwaru

In Bantarwaru in September, the precipitation amount is 66 mm (2.6 in) spread over 11 days.

September Precipitation Trends in Bantarwaru

The chart displays monthly precipitation patterns in Bantarwaru, 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 Bantarwaru, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 11 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 Bantarwaru

In Bantarwaru in September humidity is 77%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, damp blanket that clings to your skin, making outdoor activities feel more strenuous and requiring frequent breaks and hydration for comfort.

September Average Humidity in Bantarwaru

This chart illustrates the average monthly humidity levels in Bantarwaru, 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 Bantarwaru is approximately 77%, 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 Bantarwaru

In Bantarwaru in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Bantarwaru.

Maximum UV Index Levels in Bantarwaru for September

The chart shows the monthly maximum UV Index (UVI) for Bantarwaru 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 Bantarwaru typically reaches 13, which falls under the extreme exposure category.

Data source: Bantarwaru 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 Bantarwaru Compares to Other Months

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

This table compares monthly weather conditions in Bantarwaru, 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 (80°F)	330 mm (13.0 inches)	84%	extreme
February Weather	26°C (80°F)	232 mm (9.1 inches)	86%	extreme
March Weather	27°C (80°F)	272 mm (10.7 inches)	84%	extreme
April Weather	27°C (81°F)	252 mm (9.9 inches)	81%	extreme
May Weather	27°C (81°F)	130 mm (5.1 inches)	80%	extreme
June Weather	27°C (81°F)	92 mm (3.6 inches)	80%	extreme
July Weather	27°C (80°F)	48 mm (1.9 inches)	79%	extreme
August Weather	26°C (80°F)	35 mm (1.4 inches)	77%	extreme
September Weather	27°C (80°F)	66 mm (2.6 inches)	77%	extreme
October Weather	27°C (81°F)	102 mm (4.0 inches)	78%	extreme
November Weather	27°C (80°F)	246 mm (9.7 inches)	80%	extreme
December Weather	26°C (80°F)	381 mm (15.0 inches)	79%	extreme