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September Weather in Cortes, Philippines

Last updated: August 27, 2025

In September, the average temperature in Cortes, Philippines hovers around 28°C (83°F), creating a warm and inviting atmosphere. Expect temperatures to range from a comfortable 24°C (75°F) to a sizzling 34°C (93°F). However, be prepared for some rain, as 292 mm (11.5 in) of precipitation typically falls over 25 days. The air is often saturated with an average humidity of 89%, making it feel quite tropical.

September Temperature in Cortes

In September in Cortes, the average temperature is 28°C (83°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 24°C (75°F). This warm and pleasant climate makes Cortes an ideal destination for travelers seeking sunshine and outdoor activities.

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

The chart illustrates September temperature patterns in Cortes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cortes, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec818182848483828382828281
Data source: Temperature data for Cortes 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 Cortes

In Cortes, in September, the precipitation amount is 292 mm (11.5 in) over the course of 25 days.

September Precipitation Trends in Cortes

The chart displays monthly precipitation patterns in Cortes, 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 Cortes, September typically receives around 292 mm (11.5 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec18913412282244250289240292299219271
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cortes

In Cortes in September, humidity is 89%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel sticky and strenuous, and requiring constant hydration to stay comfortable while exploring.

September Average Humidity in Cortes

This chart illustrates the average monthly humidity levels in Cortes, 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 Cortes is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%82%83%85%86%87%89%85%87%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cortes

In Cortes 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 Cortes.

Maximum UV Index Levels in Cortes for September

The chart shows the monthly maximum UV Index (UVI) for Cortes 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 Cortes typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416171413131415141211
Data source: Cortes 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 Cortes Compares to Other Months

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

This table compares monthly weather conditions in Cortes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)189 mm (7.4 inches)88%extreme
February Weather27°C (81°F)134 mm (5.3 inches)86%extreme
March Weather28°C (83°F)122 mm (4.8 inches)84%extreme
April Weather29°C (84°F)82 mm (3.2 inches)82%extreme
May Weather29°C (85°F)244 mm (9.6 inches)83%extreme
June Weather28°C (83°F)250 mm (9.8 inches)85%extreme
July Weather28°C (83°F)289 mm (11.4 inches)86%extreme
August Weather28°C (83°F)240 mm (9.4 inches)87%extreme
September Weather28°C (83°F)292 mm (11.5 inches)89%extreme
October Weather28°C (83°F)299 mm (11.8 inches)85%extreme
November Weather28°C (82°F)219 mm (8.6 inches)87%extreme
December Weather27°C (82°F)271 mm (10.7 inches)91%extreme

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