September Weather in Salak, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Salak, Indonesia is 23°C (73°F). Expect a minimum of 17°C (63°F) and a maximum of 31°C (88°F), making it a relatively warm period. However, be prepared for ample rain, with 395 mm (15.5 in) of precipitation spread over 26 days. The air tends to be quite humid, with an average humidity of 89%.

September Temperature in Salak

In September in Salak, the average temperature is 23°C (73°F). Maximums can reach 31°C (88°F), while minimums can dip as low as 17°C (63°F). It's the perfect time to enjoy outdoor activities and explore the beauty of Salak.

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

The chart illustrates September temperature patterns in Salak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salak, September typically has an average temperature of 23°C (73°F), with highs reaching up to 31°C (88°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Salak

In Salak in September, the precipitation amount is 395 mm (15.5 in) over the course of 26 days.

September Precipitation Trends in Salak

The chart displays monthly precipitation patterns in Salak, 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 Salak, September typically receives around 395 mm (15.5 inches) of precipitation spread over approximately 26 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 Salak

In Salak in September, humidity is 89%. With an average temperature of 23°C (73°F), this humidity feels like a thick, warm blanket wrapping around you, making travel feel sticky and heavy, which can be quite draining for explorers.

September Average Humidity in Salak

This chart illustrates the average monthly humidity levels in Salak, 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 Salak is approximately 89%, 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 Salak

In Salak in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Salak.

Maximum UV Index Levels in Salak for September

The chart shows the monthly maximum UV Index (UVI) for Salak 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 Salak typically reaches 15, which falls under the extreme exposure category.

Data source: Salak 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 Salak Compares to Other Months

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

This table compares monthly weather conditions in Salak, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	345 mm (13.6 inches)	83%	extreme
February Weather	23°C (74°F)	327 mm (12.9 inches)	74%	extreme
March Weather	23°C (74°F)	484 mm (19.1 inches)	74%	extreme
April Weather	23°C (74°F)	442 mm (17.4 inches)	77%	extreme
May Weather	24°C (75°F)	374 mm (14.7 inches)	82%	extreme
June Weather	23°C (74°F)	159 mm (6.2 inches)	85%	extreme
July Weather	23°C (73°F)	275 mm (10.8 inches)	84%	extreme
August Weather	23°C (73°F)	300 mm (11.8 inches)	87%	extreme
September Weather	23°C (73°F)	395 mm (15.5 inches)	89%	extreme
October Weather	23°C (73°F)	538 mm (21.2 inches)	89%	extreme
November Weather	23°C (73°F)	696 mm (27.4 inches)	88%	extreme
December Weather	23°C (73°F)	516 mm (20.3 inches)	88%	extreme