September Weather in Sorong, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Sorong, Indonesia hovers around 26°C (79°F), with a comfortable minimum of 22°C (73°F) and a warm maximum reaching 33°C (91°F). Expect 361 mm (14.2 in) of precipitation spread over 24 days, contributing to an average humidity level of 81%. Whether you’re soaking up the sun or navigating rainy days, be prepared for a diverse climate!

September Temperature in Sorong

In September in Sorong, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dipping as low as 22°C (73°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Sorong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sorong, September typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 22°C (73°F).

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

September Precipitation in Sorong

In Sorong in September, the total precipitation amount is 361 mm (14.2 in) distributed over a span of 24 days.

September Precipitation Trends in Sorong

The chart displays monthly precipitation patterns in Sorong, 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 Sorong, September typically receives around 361 mm (14.2 inches) of precipitation spread over approximately 24 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 Sorong

In Sorong in September, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.

September Average Humidity in Sorong

This chart illustrates the average monthly humidity levels in Sorong, 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 Sorong is approximately 81%, 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 Sorong

In Sorong 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 Sorong.

Maximum UV Index Levels in Sorong for September

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

Data source: Sorong 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 Sorong Compares to Other Months

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

This table compares monthly weather conditions in Sorong, 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)	296 mm (11.6 inches)	78%	extreme
February Weather	27°C (80°F)	269 mm (10.6 inches)	81%	extreme
March Weather	27°C (80°F)	347 mm (13.7 inches)	79%	extreme
April Weather	27°C (80°F)	386 mm (15.2 inches)	81%	extreme
May Weather	27°C (80°F)	349 mm (13.7 inches)	77%	extreme
June Weather	26°C (79°F)	389 mm (15.3 inches)	79%	extreme
July Weather	26°C (79°F)	356 mm (14.0 inches)	81%	extreme
August Weather	26°C (79°F)	348 mm (13.7 inches)	83%	extreme
September Weather	26°C (79°F)	361 mm (14.2 inches)	81%	extreme
October Weather	26°C (80°F)	353 mm (13.9 inches)	80%	extreme
November Weather	27°C (81°F)	346 mm (13.6 inches)	79%	extreme
December Weather	27°C (81°F)	356 mm (14.0 inches)	78%	extreme