September Weather in Simpang Ulim, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Simpang Ulim, Indonesia hovers at a delightful 27°C (81°F). Expect a comfortable range with minimums around 23°C (74°F) and maximums peaking at 34°C (93°F). However, be prepared for occasional rain, as 133 mm (5.2 in) of precipitation can occur over 22 days. With an average humidity of 86%, the air may feel a bit muggy, so keep this in mind while planning your activities!

September Temperature in Simpang Ulim

In September in Simpang Ulim, the average temperature is 27°C (81°F). Maximums can reach up to 34°C (93°F), while minimums can drop to as low as 23°C (74°F). It's a great time to visit for warm weather and plenty of sunshine!

September Weather in Simpang Ulim: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Simpang Ulim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simpang Ulim, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Simpang Ulim

In Simpang Ulim in September, the precipitation amount is 133 mm (5.2 in) over the course of 22 days.

September Precipitation Trends in Simpang Ulim

The chart displays monthly precipitation patterns in Simpang Ulim, 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 Simpang Ulim, September typically receives around 133 mm (5.2 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 Simpang Ulim

In Simpang Ulim in September, humidity is 86%. With an average temperature of 27°C (81°F), this humidity feels like walking through a steamy blanket, making traveling feel heavy and exhausting as each step absorbs the warm, moist air.

September Average Humidity in Simpang Ulim

This chart illustrates the average monthly humidity levels in Simpang Ulim, 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 Simpang Ulim is approximately 86%, 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 Simpang Ulim

In Simpang Ulim 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 Simpang Ulim, you can check here.

Maximum UV Index Levels in Simpang Ulim for September

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

Data source: Simpang Ulim 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 Simpang Ulim Compares to Other Months

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

This table compares monthly weather conditions in Simpang Ulim, 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 (80°F)	149 mm (5.9 inches)	80%	extreme
February Weather	27°C (81°F)	59 mm (2.3 inches)	73%	extreme
March Weather	28°C (82°F)	77 mm (3.0 inches)	74%	extreme
April Weather	28°C (83°F)	134 mm (5.3 inches)	69%	extreme
May Weather	28°C (83°F)	177 mm (7.0 inches)	75%	extreme
June Weather	28°C (83°F)	93 mm (3.6 inches)	81%	extreme
July Weather	28°C (83°F)	88 mm (3.5 inches)	79%	extreme
August Weather	28°C (83°F)	124 mm (4.9 inches)	84%	extreme
September Weather	27°C (81°F)	133 mm (5.2 inches)	86%	extreme
October Weather	27°C (81°F)	187 mm (7.4 inches)	86%	extreme
November Weather	27°C (80°F)	277 mm (10.9 inches)	86%	extreme
December Weather	26°C (80°F)	343 mm (13.5 inches)	86%	extreme