September Weather in Sumurgung, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Sumurgung, Indonesia reaches a warm 28°C (82°F). Expect a minimum of 22°C (72°F) and a comfortable maximum of 34°C (94°F). During this time, you'll encounter 23 mm (0.9 in) of precipitation spread over about 5 days, accompanied by an average humidity of 70%.

September Temperature in Sumurgung

In September, in Sumurgung, the average temperature is a warm 28°C (82°F), with maximums reaching up to 34°C (94°F) and minimums dropping to around 22°C (72°F). This makes it an ideal destination for travelers seeking sunny and pleasant weather.

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

The chart illustrates September temperature patterns in Sumurgung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumurgung, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (72°F).

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

September Precipitation in Sumurgung

In Sumurgung in September, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

September Precipitation Trends in Sumurgung

The chart displays monthly precipitation patterns in Sumurgung, 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 Sumurgung, September typically receives around 23 mm (0.9 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 Sumurgung

In Sumurgung in September, humidity is 70%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket that can make traveling feel sticky and exhausting, requiring frequent breaks and hydration to stay comfortable.

September Average Humidity in Sumurgung

This chart illustrates the average monthly humidity levels in Sumurgung, 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 Sumurgung is approximately 70%, 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 Sumurgung

In Sumurgung 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 Sumurgung, you can check here.

Maximum UV Index Levels in Sumurgung for September

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

Data source: Sumurgung 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 Sumurgung Compares to Other Months

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

This table compares monthly weather conditions in Sumurgung, 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)	290 mm (11.4 inches)	82%	extreme
February Weather	27°C (81°F)	343 mm (13.5 inches)	86%	extreme
March Weather	27°C (81°F)	323 mm (12.7 inches)	84%	extreme
April Weather	28°C (82°F)	219 mm (8.6 inches)	80%	extreme
May Weather	28°C (83°F)	85 mm (3.3 inches)	81%	extreme
June Weather	27°C (82°F)	67 mm (2.6 inches)	81%	very high
July Weather	27°C (81°F)	16 mm (0.6 inches)	78%	extreme
August Weather	27°C (81°F)	12 mm (0.5 inches)	74%	extreme
September Weather	28°C (82°F)	23 mm (0.9 inches)	70%	extreme
October Weather	28°C (83°F)	79 mm (3.1 inches)	72%	extreme
November Weather	28°C (83°F)	241 mm (9.5 inches)	73%	extreme
December Weather	28°C (82°F)	319 mm (12.6 inches)	75%	extreme