September Weather in Rutu, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Rutu, Indonesia is a pleasant 26°C (79°F), perfect for outdoor activities. Expect minimums of 21°C (70°F) and maximums reaching 31°C (87°F). With an average humidity of 70%, the weather feels comfortable despite some moisture in the air. Be prepared for occasional rain, with a total precipitation amount of about 8 mm (0.3 in) over 2 days. Happy exploring!

September Temperature in Rutu

In September in Rutu, the average temperature is 26°C (79°F). The maximum can reach 31°C (87°F), while the minimum can drop to as low as 21°C (70°F). This pleasant climate makes Rutu an ideal destination for travelers seeking warmth and comfort during this time.

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

The chart illustrates September temperature patterns in Rutu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rutu, September typically has an average temperature of 26°C (79°F), with highs reaching up to 31°C (87°F) and lows dropping to around 21°C (70°F).

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

September Precipitation in Rutu

In Rutu in September, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

September Precipitation Trends in Rutu

The chart displays monthly precipitation patterns in Rutu, 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 Rutu, September typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 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 Rutu

In Rutu in September, humidity is 70%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures a bit sticky but also invigorating, requiring frequent breaks to hydrate and cool off.

September Average Humidity in Rutu

This chart illustrates the average monthly humidity levels in Rutu, 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 Rutu 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 Rutu

In Rutu 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 Rutu.

Maximum UV Index Levels in Rutu for September

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

Data source: Rutu 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 Rutu Compares to Other Months

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

This table compares monthly weather conditions in Rutu, 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)	262 mm (10.3 inches)	78%	extreme
February Weather	27°C (80°F)	213 mm (8.4 inches)	84%	extreme
March Weather	27°C (81°F)	260 mm (10.2 inches)	84%	extreme
April Weather	27°C (81°F)	106 mm (4.2 inches)	82%	extreme
May Weather	27°C (80°F)	47 mm (1.9 inches)	83%	extreme
June Weather	26°C (78°F)	23 mm (0.9 inches)	79%	very high
July Weather	25°C (77°F)	12 mm (0.5 inches)	74%	extreme
August Weather	25°C (77°F)	12 mm (0.5 inches)	71%	extreme
September Weather	26°C (79°F)	8 mm (0.3 inches)	70%	extreme
October Weather	27°C (81°F)	28 mm (1.1 inches)	69%	extreme
November Weather	28°C (82°F)	124 mm (4.9 inches)	70%	extreme
December Weather	27°C (82°F)	228 mm (9.0 inches)	72%	extreme