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September Weather in Palau, Mexico

Last updated: August 27, 2025

In Palau, Mexico, the average temperature in September reaches a warm 27°C (81°F). Temperatures can vary significantly, with a minimum of 14°C (58°F) and a maximum soaring to 41°C (106°F). Expect 112 mm (4.4 in) of precipitation spread over about 11 days, while the average humidity hovers around 77%, creating a muggy atmosphere.

September Temperature in Palau

In September in Palau, the average temperature is 27°C (81°F). The maximum can reach 41°C (106°F) and the minimum can be as low as 14°C (58°F). Travelers should be prepared for a warm climate, with potential for hot days and cooler evenings.

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

The chart illustrates September temperature patterns in Palau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palau, September typically has an average temperature of 27°C (81°F), with highs reaching up to 41°C (106°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec555968748185868681736357
Data source: Temperature data for Palau 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 Palau

In Palau in September, the precipitation amount is 112 mm (4.4 in) that occurs over the course of 11 days.

September Precipitation Trends in Palau

The chart displays monthly precipitation patterns in Palau, 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 Palau, September typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1217243372395328112562020
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Palau

In Palau in September, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

September Average Humidity in Palau

This chart illustrates the average monthly humidity levels in Palau, 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 Palau is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%74%75%74%79%77%64%61%77%83%85%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Palau

In Palau in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Palau.

Maximum UV Index Levels in Palau for September

The chart shows the monthly maximum UV Index (UVI) for Palau 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 Palau typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6910121212121211975
Data source: Palau 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 Palau Compares to Other Months

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

This table compares monthly weather conditions in Palau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)12 mm (0.5 inches)83%high
February Weather15°C (60°F)16 mm (0.6 inches)74%very high
March Weather20°C (68°F)23 mm (0.9 inches)75%very high
April Weather23°C (74°F)33 mm (1.3 inches)74%extreme
May Weather27°C (81°F)72 mm (2.8 inches)79%extreme
June Weather29°C (85°F)39 mm (1.5 inches)77%extreme
July Weather30°C (86°F)53 mm (2.1 inches)64%extreme
August Weather30°C (87°F)28 mm (1.1 inches)61%extreme
September Weather27°C (81°F)112 mm (4.4 inches)77%extreme
October Weather23°C (73°F)56 mm (2.2 inches)83%very high
November Weather17°C (63°F)20 mm (0.8 inches)85%high
December Weather14°C (58°F)20 mm (0.8 inches)89%moderate

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