September Weather in Sumedang, Indonesia

Last updated: August 23, 2025

In Sumedang, Indonesia, the average temperature in September hovers around 27°C (81°F), with minimums dipping to 19°C (66°F) and maximums soaring to 35°C (96°F). Expect a modest precipitation of 26 mm (1.0 in) over about 5 days, underlining the average humidity of 72% that keeps the atmosphere pleasantly warm and inviting.

September Temperature in Sumedang

In September in Sumedang, the average temperature is 27°C (81°F), with maximums reaching 35°C (96°F) and minimums dropping to as low as 19°C (66°F). This mild climate makes it an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Sumedang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumedang, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 19°C (66°F).

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

September Precipitation in Sumedang

In Sumedang in September, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

September Precipitation Trends in Sumedang

The chart displays monthly precipitation patterns in Sumedang, 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 Sumedang, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 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 Sumedang

In Sumedang in September humidity is 72%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making travel a bit uncomfortable as you navigate through the thick, sticky air.

September Average Humidity in Sumedang

This chart illustrates the average monthly humidity levels in Sumedang, 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 Sumedang is approximately 72%, 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 Sumedang

In Sumedang 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 Sumedang, you can check here.

Maximum UV Index Levels in Sumedang for September

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

Data source: Sumedang 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 Sumedang Compares to Other Months

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

This table compares monthly weather conditions in Sumedang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	397 mm (15.6 inches)	84%	extreme
February Weather	25°C (77°F)	407 mm (16.0 inches)	87%	extreme
March Weather	25°C (78°F)	437 mm (17.2 inches)	85%	extreme
April Weather	26°C (78°F)	303 mm (11.9 inches)	82%	extreme
May Weather	26°C (79°F)	149 mm (5.9 inches)	81%	extreme
June Weather	26°C (79°F)	54 mm (2.1 inches)	81%	extreme
July Weather	26°C (79°F)	16 mm (0.6 inches)	79%	extreme
August Weather	26°C (79°F)	15 mm (0.6 inches)	76%	extreme
September Weather	27°C (81°F)	26 mm (1.0 inches)	72%	extreme
October Weather	27°C (81°F)	103 mm (4.0 inches)	74%	extreme
November Weather	26°C (79°F)	338 mm (13.3 inches)	78%	extreme
December Weather	25°C (78°F)	422 mm (16.6 inches)	78%	extreme