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September Weather in Waru, Indonesia

Last updated: August 23, 2025

In Waru, Indonesia, the average temperature in September reaches a pleasant 28°C (82°F). Expect a minimum of 25°C (78°F) and a maximum of 30°C (87°F) during this time. With precipitation at about 12 mm (0.5 in) over a span of 2 days, the average humidity lingers at 72%, creating a warm but comfortable atmosphere.

September Temperature in Waru

In September in Waru, the average temperature is 28°C (82°F). The maximum can reach 30°C (87°F), and the minimum can be as low as 25°C (78°F). This pleasant weather makes Waru an ideal destination for travelers seeking warmth and comfort during this time of year.

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

The chart illustrates September temperature patterns in Waru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waru, September typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (87°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec818081828382818182828281
Data source: Temperature data for Waru generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Waru

In Waru in September, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

September Precipitation Trends in Waru

The chart displays monthly precipitation patterns in Waru, 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 Waru, September typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec30631627316965581441242196308
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Waru

In Waru in September humidity is 72%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities both refreshing and slightly exhausting, as you find yourself sweating more quickly and seeking shade more often while exploring the vibrant surroundings.

September Average Humidity in Waru

This chart illustrates the average monthly humidity levels in Waru, 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 Waru is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%83%80%81%80%78%74%72%72%73%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Waru

In Waru 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 Waru.

Maximum UV Index Levels in Waru for September

The chart shows the monthly maximum UV Index (UVI) for Waru 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 Waru typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141515141311121315151514
Data source: Waru 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 Waru Compares to Other Months

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

This table compares monthly weather conditions in Waru, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)306 mm (12.0 inches)81%extreme
February Weather27°C (80°F)316 mm (12.4 inches)85%extreme
March Weather27°C (81°F)273 mm (10.7 inches)83%extreme
April Weather28°C (82°F)169 mm (6.7 inches)80%extreme
May Weather28°C (83°F)65 mm (2.6 inches)81%extreme
June Weather28°C (82°F)58 mm (2.3 inches)80%extreme
July Weather27°C (81°F)14 mm (0.6 inches)78%extreme
August Weather27°C (81°F)4 mm (0.2 inches)74%extreme
September Weather28°C (82°F)12 mm (0.5 inches)72%extreme
October Weather28°C (83°F)42 mm (1.7 inches)72%extreme
November Weather28°C (82°F)195 mm (7.7 inches)73%extreme
December Weather27°C (81°F)308 mm (12.1 inches)75%extreme

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