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September Weather in Alac, Philippines

Last updated: August 27, 2025

In Alac, Philippines, the average temperature in September reaches a pleasant 26°C (80°F), with minimums dipping to 21°C (70°F) and maximums climbing to 33°C (92°F). However, be prepared for 347 mm (13.7 in) of precipitation spread over 28 days, resulting in a high average humidity of 89%.

September Temperature in Alac

In September in Alac, the average temperature is 26°C (80°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 21°C (70°F). This mild and warm climate makes Alac an ideal destination for travelers seeking pleasant weather during this time.

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

The chart illustrates September temperature patterns in Alac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alac, September typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (92°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec767780828381797979797978
Data source: Temperature data for Alac 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 Alac

In Alac in September, the precipitation amount is 347 mm (13.7 in) spread over 28 days.

September Precipitation Trends in Alac

The chart displays monthly precipitation patterns in Alac, 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 Alac, September typically receives around 347 mm (13.7 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec6443477716327648644534733314697
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alac

In Alac in September, humidity is 89%. With an average temperature of 26°C (80°F), this humidity feels like a warm, sticky embrace, making travel feel exhausting as the air clings to your skin and saps your energy, urging you to seek shade and refreshment at every turn.

September Average Humidity in Alac

This chart illustrates the average monthly humidity levels in Alac, 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 Alac is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%71%69%69%76%87%89%89%89%86%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Alac

In Alac in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Alac, you can check here.

Maximum UV Index Levels in Alac for September

The chart shows the monthly maximum UV Index (UVI) for Alac 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 Alac typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414141514131010
Data source: Alac 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 Alac Compares to Other Months

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

This table compares monthly weather conditions in Alac, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)64 mm (2.5 inches)76%extreme
February Weather25°C (77°F)43 mm (1.7 inches)71%extreme
March Weather27°C (80°F)47 mm (1.9 inches)68%extreme
April Weather28°C (82°F)77 mm (3.0 inches)69%extreme
May Weather28°C (83°F)163 mm (6.4 inches)76%extreme
June Weather27°C (81°F)276 mm (10.9 inches)87%extreme
July Weather26°C (80°F)486 mm (19.1 inches)88%extreme
August Weather26°C (79°F)445 mm (17.5 inches)89%extreme
September Weather26°C (80°F)347 mm (13.7 inches)89%extreme
October Weather26°C (80°F)333 mm (13.1 inches)86%extreme
November Weather26°C (79°F)146 mm (5.7 inches)89%very high
December Weather25°C (78°F)97 mm (3.8 inches)86%very high

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