September Weather in Bulu, Indonesia

Last updated: August 23, 2025

In Bulu, Indonesia, the average temperature in September hovers around 28°C (83°F). Expect a pleasant range, with minimums dipping to 21°C (69°F) and maximums soaring up to 37°C (99°F). During this time, you'll encounter 24 mm (1.0 in) of precipitation over 4 days, and the average humidity rests at a comfortable 70%. Enjoy the warmth! 🌞

September Temperature in Bulu

In September in Bulu, the average temperature is 28°C (83°F). The maximum can reach 37°C (99°F), while the minimum can be as low as 21°C (69°F). This pleasant weather makes Bulu an ideal destination for those seeking warm and enjoyable travel experiences.

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

The chart illustrates September temperature patterns in Bulu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bulu, September typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (69°F).

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

September Precipitation in Bulu

In Bulu in September, the precipitation amount is 24 mm (1.0 in) over the course of 4 days.

September Precipitation Trends in Bulu

The chart displays monthly precipitation patterns in Bulu, 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 Bulu, September typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 4 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 Bulu

In Bulu in September humidity is 70%. With an average temperature of 28°C (83°F), this humidity feels like an enveloping blanket, making outdoor activities sticky and draining, requiring frequent breaks to hydrate and seek shade.

September Average Humidity in Bulu

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

In Bulu 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 Bulu, you can check here.

Maximum UV Index Levels in Bulu for September

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

Data source: Bulu 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 Bulu Compares to Other Months

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

This table compares monthly weather conditions in Bulu, 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 (81°F)	306 mm (12.0 inches)	82%	extreme
February Weather	27°C (80°F)	390 mm (15.3 inches)	86%	extreme
March Weather	27°C (81°F)	375 mm (14.8 inches)	84%	extreme
April Weather	28°C (82°F)	265 mm (10.4 inches)	80%	extreme
May Weather	28°C (82°F)	86 mm (3.4 inches)	81%	extreme
June Weather	28°C (82°F)	71 mm (2.8 inches)	81%	very high
July Weather	27°C (81°F)	12 mm (0.5 inches)	78%	extreme
August Weather	27°C (82°F)	9 mm (0.4 inches)	74%	extreme
September Weather	28°C (83°F)	24 mm (1.0 inches)	70%	extreme
October Weather	29°C (84°F)	95 mm (3.7 inches)	72%	extreme
November Weather	28°C (83°F)	290 mm (11.4 inches)	73%	extreme
December Weather	27°C (82°F)	360 mm (14.2 inches)	75%	extreme