September Weather in Ainaro, Timor-Leste

Last updated: August 31, 2025

In Ainaro, Timor-Leste, the average temperature in September hovers around 23°C (74°F), offering a pleasant climate. Temperatures can range from a refreshing 15°C (59°F) to a warm 31°C (87°F). Expect 10 mm (0.4 in) of precipitation spread over 3 days, while average humidity sits at a comfortable 77%. Embrace the perfect balance of warmth and cool breezes this month!

September Temperature in Ainaro

In September in Ainaro, the average temperature is 23°C (74°F). Maximums can reach 31°C (87°F) while minimums can drop to as low as 15°C (59°F). This makes it a perfect time for travelers to enjoy pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Ainaro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ainaro, September typically has an average temperature of 23°C (74°F), with highs reaching up to 31°C (87°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in Ainaro

In Ainaro in September, the precipitation amount is 10 mm (0.4 in) over a period of 3 days.

September Precipitation Trends in Ainaro

The chart displays monthly precipitation patterns in Ainaro, 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 Ainaro, September typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 3 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 Ainaro

In Ainaro in September, humidity is 77%. With an average temperature of 23°C (74°F), this humidity feels like being enveloped in a warm, sticky blanket, making travel somewhat uncomfortable and requiring frequent hydration breaks to enjoy the sights without feeling overheated.

September Average Humidity in Ainaro

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

In Ainaro 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 Ainaro.

Maximum UV Index Levels in Ainaro for September

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

Data source: Ainaro 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 Ainaro Compares to Other Months

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

This table compares monthly weather conditions in Ainaro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	292 mm (11.5 inches)	76%	extreme
February Weather	24°C (75°F)	268 mm (10.5 inches)	82%	extreme
March Weather	24°C (75°F)	316 mm (12.4 inches)	82%	extreme
April Weather	23°C (75°F)	127 mm (5.0 inches)	82%	extreme
May Weather	23°C (73°F)	105 mm (4.1 inches)	83%	extreme
June Weather	22°C (72°F)	53 mm (2.1 inches)	80%	extreme
July Weather	21°C (71°F)	33 mm (1.3 inches)	77%	extreme
August Weather	22°C (72°F)	10 mm (0.4 inches)	77%	extreme
September Weather	23°C (74°F)	10 mm (0.4 inches)	77%	extreme
October Weather	25°C (77°F)	22 mm (0.8 inches)	79%	extreme
November Weather	25°C (77°F)	141 mm (5.5 inches)	77%	extreme
December Weather	25°C (76°F)	285 mm (11.2 inches)	74%	extreme