September Weather in Bali, China

Last updated: August 22, 2025

In September, the average temperature in Bali, China is a comfortable 24°C (76°F), with minimums dipping to 15°C (60°F) and maximums reaching up to 36°C (97°F). Expect about 97 mm (3.8 in) of precipitation spread over approximately 10 days, contributing to an average humidity level of 72%.

September Temperature in Bali

In September in Bali, the average temperature is 24°C (76°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 15°C (60°F). This mild and varied climate makes Bali an ideal destination for travelers seeking comfortable weather and outdoor activities.

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

The chart illustrates September temperature patterns in Bali, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bali, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Bali

In Bali in September, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.

September Precipitation Trends in Bali

The chart displays monthly precipitation patterns in Bali, 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 Bali, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 10 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 Bali

In Bali in September humidity is 72%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit uncomfortable, so travelers should stay hydrated and plan for frequent breaks in the shade.

September Average Humidity in Bali

This chart illustrates the average monthly humidity levels in Bali, 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 Bali is approximately 72%, 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 Bali

In Bali in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Bali.

Maximum UV Index Levels in Bali for September

The chart shows the monthly maximum UV Index (UVI) for Bali 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 Bali typically reaches 10, which falls under the very high exposure category.

Data source: Bali 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 Bali Compares to Other Months

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

This table compares monthly weather conditions in Bali, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	50 mm (2.0 inches)	64%	moderate
February Weather	6°C (43°F)	49 mm (1.9 inches)	71%	high
March Weather	11°C (53°F)	58 mm (2.3 inches)	80%	very high
April Weather	16°C (61°F)	64 mm (2.5 inches)	83%	very high
May Weather	22°C (71°F)	139 mm (5.5 inches)	80%	very high
June Weather	25°C (78°F)	153 mm (6.0 inches)	81%	extreme
July Weather	28°C (83°F)	264 mm (10.4 inches)	88%	extreme
August Weather	29°C (84°F)	157 mm (6.2 inches)	85%	extreme
September Weather	24°C (76°F)	97 mm (3.8 inches)	72%	very high
October Weather	18°C (65°F)	57 mm (2.2 inches)	76%	very high
November Weather	13°C (55°F)	41 mm (1.6 inches)	84%	moderate
December Weather	6°C (43°F)	40 mm (1.6 inches)	75%	moderate