September Weather in Sawang, Indonesia

Last updated: August 23, 2025

In Sawang, Indonesia, the average temperature in September is 27°C (82°F), making it a warm destination. Temperatures can dip to a minimum of 25°C (77°F) and reach a maximum of 30°C (86°F). However, be prepared for some rain, as the area receives about 190 mm (7.5 in) of precipitation over 22 days. With an average humidity of 84%, the air tends to feel quite tropical.

September Temperature in Sawang

In September in Sawang, the average temperature is 27°C (82°F). Maximums can reach 30°C (86°F), while minimums can drop to as low as 25°C (77°F). Overall, it's a warm and pleasant destination for travel, perfect for enjoying outdoor activities.

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

The chart illustrates September temperature patterns in Sawang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sawang, September typically has an average temperature of 27°C (82°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (77°F).

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

September Precipitation in Sawang

In Sawang in September, the total precipitation amount is 190 mm (7.5 in) spread over 22 days.

September Precipitation Trends in Sawang

The chart displays monthly precipitation patterns in Sawang, 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 Sawang, September typically receives around 190 mm (7.5 inches) of precipitation spread over approximately 22 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 Sawang

In Sawang in September humidity is 84%. With an average temperature of 27°C (82°F), this humidity feels like walking through a warm, damp blanket, making travel feel heavier and more exhausting.

September Average Humidity in Sawang

This chart illustrates the average monthly humidity levels in Sawang, 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 Sawang is approximately 84%, 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 Sawang

In Sawang 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 Sawang, you can check here.

Maximum UV Index Levels in Sawang for September

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

Data source: Sawang 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 Sawang Compares to Other Months

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

This table compares monthly weather conditions in Sawang, 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)	229 mm (9.0 inches)	88%	extreme
February Weather	27°C (81°F)	115 mm (4.5 inches)	85%	extreme
March Weather	27°C (82°F)	212 mm (8.3 inches)	86%	extreme
April Weather	28°C (82°F)	254 mm (10.0 inches)	84%	extreme
May Weather	28°C (83°F)	223 mm (8.8 inches)	83%	extreme
June Weather	28°C (82°F)	185 mm (7.3 inches)	83%	extreme
July Weather	28°C (82°F)	147 mm (5.8 inches)	83%	extreme
August Weather	28°C (82°F)	148 mm (5.8 inches)	85%	extreme
September Weather	27°C (82°F)	190 mm (7.5 inches)	84%	extreme
October Weather	28°C (82°F)	209 mm (8.2 inches)	84%	extreme
November Weather	27°C (81°F)	339 mm (13.4 inches)	84%	extreme
December Weather	27°C (81°F)	315 mm (12.4 inches)	87%	extreme