September Weather in Roioen, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Roioen, Indonesia is a warm 28°C (82°F). Expect a minimum of 23°C (74°F) and a maximum of 33°C (91°F). With an average humidity of 74% and just 2 mm (0.1 in) of precipitation over 0 days, it's a splendid time to enjoy the outdoors!

September Temperature in Roioen

In September in Roioen, the average temperature is 28°C (82°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 23°C (74°F). This pleasant climate makes Roioen an ideal destination for travelers looking to enjoy warm weather and outdoor activities during this time.

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

The chart illustrates September temperature patterns in Roioen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roioen, September typically has an average temperature of 28°C (82°F), with highs reaching up to 33°C (91°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Roioen

In Roioen in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Roioen

The chart displays monthly precipitation patterns in Roioen, 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 Roioen, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 Roioen

In Roioen in September, humidity is 74%. With an average temperature of 28°C (82°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.

September Average Humidity in Roioen

This chart illustrates the average monthly humidity levels in Roioen, 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 Roioen is approximately 74%, 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 Roioen

In Roioen 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 Roioen.

Maximum UV Index Levels in Roioen for September

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

Data source: Roioen 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 Roioen Compares to Other Months

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

This table compares monthly weather conditions in Roioen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	257 mm (10.1 inches)	77%	extreme
February Weather	28°C (82°F)	219 mm (8.6 inches)	82%	extreme
March Weather	28°C (83°F)	194 mm (7.6 inches)	82%	extreme
April Weather	29°C (84°F)	123 mm (4.8 inches)	80%	extreme
May Weather	28°C (83°F)	24 mm (0.9 inches)	80%	extreme
June Weather	27°C (82°F)	7 mm (0.3 inches)	75%	very high
July Weather	27°C (81°F)	4 mm (0.1 inches)	71%	extreme
August Weather	27°C (81°F)	5 mm (0.2 inches)	74%	extreme
September Weather	28°C (82°F)	2 mm (0.1 inches)	74%	extreme
October Weather	29°C (84°F)	8 mm (0.3 inches)	74%	extreme
November Weather	30°C (85°F)	57 mm (2.2 inches)	73%	extreme
December Weather	29°C (84°F)	179 mm (7.1 inches)	72%	extreme