September Weather in Riangkoli, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Riangkoli, Indonesia hovers around 28°C (82°F). Expect a minimum of 22°C (71°F) and a maximum reaching up to 34°C (93°F), perfect for enjoying the warm weather. With 9 mm (0.4 in) of precipitation spread over just 2 days, you can still anticipate plenty of sunshine, though the average humidity sits at a comfortable 69%. Enjoy the pleasant climate!

September Temperature in Riangkoli

In September in Riangkoli, the average temperature is 28°C (82°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as 22°C (71°F). This pleasant climate makes Riangkoli an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Riangkoli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riangkoli, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (71°F).

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

September Precipitation in Riangkoli

In Riangkoli in September, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

September Precipitation Trends in Riangkoli

The chart displays monthly precipitation patterns in Riangkoli, 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 Riangkoli, September typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Riangkoli

In Riangkoli in September, humidity is 69%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration slightly more challenging but still enjoyable as you soak in the vibrant surroundings.

September Average Humidity in Riangkoli

This chart illustrates the average monthly humidity levels in Riangkoli, 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 Riangkoli is approximately 69%, 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 Riangkoli

In Riangkoli 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 Riangkoli.

Maximum UV Index Levels in Riangkoli for September

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

Data source: Riangkoli 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 Riangkoli Compares to Other Months

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

This table compares monthly weather conditions in Riangkoli, 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)	365 mm (14.4 inches)	78%	extreme
February Weather	27°C (80°F)	296 mm (11.6 inches)	84%	extreme
March Weather	27°C (81°F)	418 mm (16.5 inches)	84%	extreme
April Weather	27°C (82°F)	174 mm (6.8 inches)	83%	extreme
May Weather	28°C (82°F)	58 mm (2.3 inches)	84%	extreme
June Weather	27°C (81°F)	34 mm (1.3 inches)	80%	extreme
July Weather	27°C (80°F)	12 mm (0.5 inches)	75%	extreme
August Weather	27°C (81°F)	9 mm (0.4 inches)	72%	extreme
September Weather	28°C (82°F)	9 mm (0.4 inches)	69%	extreme
October Weather	28°C (83°F)	34 mm (1.4 inches)	69%	extreme
November Weather	28°C (83°F)	208 mm (8.2 inches)	69%	extreme
December Weather	28°C (82°F)	337 mm (13.3 inches)	72%	extreme