September Weather in Jombok, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Jombok, Indonesia hovers around 28°C (83°F), with a comfortable minimum of 21°C (71°F) and a peak at 36°C (98°F). Expect a modest precipitation of 25 mm (1.0 in) over 5 days. Additionally, the average humidity stands at an inviting 70%, making it a pleasant time to enjoy the surroundings!

September Temperature in Jombok

In September in Jombok, the average temperature is 28°C (83°F). Maximums can reach 36°C (98°F), and minimums can be as low as 21°C (71°F). This climate makes Jombok an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Jombok, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jombok, September typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (98°F) and lows dropping to around 21°C (71°F).

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

September Precipitation in Jombok

In Jombok in September, the total precipitation amount is 25 mm (1.0 in) over a span of 5 days.

September Precipitation Trends in Jombok

The chart displays monthly precipitation patterns in Jombok, 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 Jombok, September typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 5 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 Jombok

In Jombok 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 Jombok

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

In Jombok 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 Jombok, you can check here.

Maximum UV Index Levels in Jombok for September

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

Data source: Jombok 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 Jombok Compares to Other Months

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

This table compares monthly weather conditions in Jombok, 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)	315 mm (12.4 inches)	82%	extreme
February Weather	27°C (80°F)	361 mm (14.2 inches)	86%	extreme
March Weather	27°C (81°F)	343 mm (13.5 inches)	84%	extreme
April Weather	28°C (82°F)	237 mm (9.3 inches)	80%	extreme
May Weather	28°C (83°F)	88 mm (3.4 inches)	81%	extreme
June Weather	28°C (82°F)	68 mm (2.7 inches)	81%	very high
July Weather	27°C (81°F)	17 mm (0.7 inches)	78%	extreme
August Weather	27°C (82°F)	11 mm (0.4 inches)	74%	extreme
September Weather	28°C (83°F)	25 mm (1.0 inches)	70%	extreme
October Weather	29°C (84°F)	112 mm (4.4 inches)	72%	extreme
November Weather	28°C (83°F)	277 mm (10.9 inches)	73%	extreme
December Weather	28°C (82°F)	314 mm (12.3 inches)	75%	extreme