September Weather in Dili, Timor-Leste

Last updated: August 31, 2025

In September, the average temperature in Dili, Timor-Leste hovers around 26°C (79°F). Visitors can expect temperatures to range from a minimum of 19°C (66°F) to a maximum of 32°C (90°F). During this month, the region experiences an average precipitation of 22 mm (0.9 in) over approximately 6 days, with an average humidity level of 77%.

September Temperature in Dili

In September in Dili, the average temperature is 26°C (79°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 19°C (66°F). This pleasant climate makes Dili an ideal destination for travelers seeking warm and comfortable weather.

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

The chart illustrates September temperature patterns in Dili, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dili, September typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (90°F) and lows dropping to around 19°C (66°F).

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

September Precipitation in Dili

In Dili in September, the precipitation amount is 22 mm (0.9 in) over a span of 6 days.

September Precipitation Trends in Dili

The chart displays monthly precipitation patterns in Dili, 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 Dili, September typically receives around 22 mm (0.9 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 Dili

In Dili in September humidity is 77%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick fog that clings to your skin, making every step feel heavier and more exhausting while exploring the sights.

September Average Humidity in Dili

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

In Dili in September, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Dili.

Maximum UV Index Levels in Dili for September

The chart shows the monthly maximum UV Index (UVI) for Dili 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 Dili typically reaches 16, which falls under the extreme exposure category.

Data source: Dili 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 Dili Compares to Other Months

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

This table compares monthly weather conditions in Dili, 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 (79°F)	197 mm (7.8 inches)	76%	extreme
February Weather	26°C (79°F)	173 mm (6.8 inches)	82%	extreme
March Weather	26°C (79°F)	307 mm (12.1 inches)	82%	extreme
April Weather	26°C (79°F)	202 mm (7.9 inches)	82%	extreme
May Weather	26°C (79°F)	81 mm (3.2 inches)	83%	extreme
June Weather	25°C (78°F)	24 mm (0.9 inches)	80%	extreme
July Weather	25°C (77°F)	17 mm (0.7 inches)	77%	extreme
August Weather	25°C (78°F)	10 mm (0.4 inches)	77%	extreme
September Weather	26°C (79°F)	22 mm (0.9 inches)	77%	extreme
October Weather	27°C (80°F)	74 mm (2.9 inches)	79%	extreme
November Weather	27°C (80°F)	228 mm (9.0 inches)	77%	extreme
December Weather	26°C (80°F)	259 mm (10.2 inches)	74%	extreme