September Weather in Trambalan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Trambalan, Indonesia hovers around 28°C (82°F), making it a warm destination for visitors. Expect comfortable conditions with a minimum of 23°C (74°F) and a maximum reaching 32°C (90°F). However, be prepared for some rain, as precipitation averages 39 mm (1.6 in) over 6 days. With an average humidity of 70%, the air feels pleasantly tropical, perfect for enjoying outdoor activities.

September Temperature in Trambalan

In September in Trambalan, the average temperature is 28°C (82°F). Maximum temperatures can reach up to 32°C (90°F), while minimums can drop to as low as 23°C (74°F). This mild and warm climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Trambalan.

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

The chart illustrates September temperature patterns in Trambalan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trambalan, September typically has an average temperature of 28°C (82°F), with highs reaching up to 32°C (90°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Trambalan

In Trambalan in September, the precipitation amount is 39 mm (1.6 in) over the course of 6 days.

September Precipitation Trends in Trambalan

The chart displays monthly precipitation patterns in Trambalan, 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 Trambalan, September typically receives around 39 mm (1.6 inches) of precipitation spread over approximately 6 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 Trambalan

In Trambalan in September, humidity is 70%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket that can make traveling feel sticky and exhausting, requiring frequent breaks and hydration to stay comfortable.

September Average Humidity in Trambalan

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

In Trambalan 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 Trambalan, you can check here.

Maximum UV Index Levels in Trambalan for September

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

Data source: Trambalan 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 Trambalan Compares to Other Months

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

This table compares monthly weather conditions in Trambalan, 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)	277 mm (10.9 inches)	82%	extreme
February Weather	27°C (80°F)	284 mm (11.2 inches)	86%	extreme
March Weather	27°C (81°F)	247 mm (9.7 inches)	84%	extreme
April Weather	28°C (82°F)	193 mm (7.6 inches)	80%	extreme
May Weather	28°C (83°F)	100 mm (3.9 inches)	81%	extreme
June Weather	27°C (82°F)	81 mm (3.2 inches)	81%	very high
July Weather	27°C (81°F)	26 mm (1.0 inches)	78%	extreme
August Weather	27°C (81°F)	17 mm (0.7 inches)	74%	extreme
September Weather	28°C (82°F)	39 mm (1.6 inches)	70%	extreme
October Weather	28°C (83°F)	88 mm (3.5 inches)	72%	extreme
November Weather	28°C (82°F)	215 mm (8.5 inches)	73%	extreme
December Weather	27°C (81°F)	252 mm (9.9 inches)	75%	extreme