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September Weather in Marcos, Philippines

Last updated: August 27, 2025

In September, the average temperature in Marcos, Philippines hovers around 25°C (78°F), offering a pleasant climate. Expect minimums of 18°C (64°F) and occasional peaks reaching 32°C (90°F). However, prepare for significant precipitation, with 385 mm (15.2 in) falling over the course of 27 days. With an average humidity of 87%, it’s advisable to embrace the refreshing atmosphere while staying hydrated!

September Temperature in Marcos

In September in Marcos, the average temperature is 25°C (78°F). Maximums can reach 32°C (90°F) and minimums can be as low as 18°C (64°F). This pleasant weather makes Marcos an ideal destination for travelers seeking enjoyable outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Marcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marcos, September typically has an average temperature of 25°C (78°F), with highs reaching up to 32°C (90°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec737477797979787777777775
Data source: Temperature data for Marcos 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 Marcos

In Marcos in September, the total precipitation amount reaches 385 mm (15.2 in) over the course of 27 days.

September Precipitation Trends in Marcos

The chart displays monthly precipitation patterns in Marcos, 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 Marcos, September typically receives around 385 mm (15.2 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec3931316719634951550438520411871
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Marcos

In Marcos in September, humidity is 87%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities particularly strenuous and requiring frequent breaks for hydration and shade.

September Average Humidity in Marcos

This chart illustrates the average monthly humidity levels in Marcos, 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 Marcos is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%71%73%77%85%86%87%87%86%89%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Marcos

In Marcos 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 Marcos, you can check here.

Maximum UV Index Levels in Marcos for September

The chart shows the monthly maximum UV Index (UVI) for Marcos 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 Marcos typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415131414151413119
Data source: Marcos 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 Marcos Compares to Other Months

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

This table compares monthly weather conditions in Marcos, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)39 mm (1.5 inches)77%very high
February Weather23°C (74°F)31 mm (1.2 inches)73%extreme
March Weather25°C (77°F)31 mm (1.2 inches)71%extreme
April Weather26°C (79°F)67 mm (2.6 inches)73%extreme
May Weather26°C (80°F)195 mm (7.7 inches)77%extreme
June Weather26°C (79°F)349 mm (13.8 inches)85%extreme
July Weather25°C (78°F)515 mm (20.3 inches)86%extreme
August Weather25°C (77°F)504 mm (19.8 inches)87%extreme
September Weather25°C (78°F)385 mm (15.2 inches)87%extreme
October Weather25°C (78°F)204 mm (8.0 inches)86%extreme
November Weather25°C (77°F)118 mm (4.7 inches)89%extreme
December Weather24°C (75°F)71 mm (2.8 inches)85%very high

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