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September Weather in Mengellang, Palau

Last updated: August 31, 2025

In Mengellang, Palau, the average temperature in September hovers around 28°C (82°F), making for a warm experience. You'll want to be prepared for a minimum of 25°C (78°F) and a maximum that can reach up to 30°C (86°F). With an average precipitation of 282 mm (11.1 in) spread over 24 days, umbrellas might be a necessity during your stay. Additionally, expect a high average humidity of 79%, adding to the tropical feel of this vibrant location!

September Temperature in Mengellang

In September in Mengellang, the average temperature is 28°C (82°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 25°C (78°F). This pleasant weather makes it an ideal time for outdoor activities and exploring all that Mengellang has to offer.

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

The chart illustrates September temperature patterns in Mengellang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mengellang, September typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818281818182828282
Data source: Temperature data for Mengellang 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 Mengellang

In Mengellang in September, the precipitation amount is 282 mm (11.1 in) spread over 24 days.

September Precipitation Trends in Mengellang

The chart displays monthly precipitation patterns in Mengellang, 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 Mengellang, September typically receives around 282 mm (11.1 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec221258185217345291356303282293261308
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mengellang

In Mengellang in September humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

September Average Humidity in Mengellang

This chart illustrates the average monthly humidity levels in Mengellang, 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 Mengellang is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%82%80%78%77%77%78%79%77%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mengellang

In Mengellang 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 Mengellang.

Maximum UV Index Levels in Mengellang for September

The chart shows the monthly maximum UV Index (UVI) for Mengellang 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 Mengellang typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416171513141515141312
Data source: Mengellang 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 Mengellang Compares to Other Months

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

This table compares monthly weather conditions in Mengellang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)221 mm (8.7 inches)81%extreme
February Weather27°C (81°F)257 mm (10.1 inches)82%extreme
March Weather27°C (81°F)185 mm (7.3 inches)82%extreme
April Weather27°C (82°F)217 mm (8.5 inches)80%extreme
May Weather28°C (82°F)345 mm (13.6 inches)78%extreme
June Weather27°C (82°F)291 mm (11.4 inches)77%extreme
July Weather27°C (82°F)356 mm (14.0 inches)77%extreme
August Weather27°C (82°F)303 mm (11.9 inches)78%extreme
September Weather28°C (82°F)282 mm (11.1 inches)79%extreme
October Weather28°C (82°F)293 mm (11.5 inches)77%extreme
November Weather28°C (82°F)261 mm (10.3 inches)77%extreme
December Weather28°C (82°F)307 mm (12.1 inches)78%extreme

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