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September Weather in Casay, Philippines

Last updated: August 27, 2025

In Casay, Philippines, the average temperature in September hovers around 28°C (82°F), with a minimum of 25°C (77°F) and a maximum peaking at 32°C (90°F). Expect a bit of a soggy experience, as precipitation amounts reach 257 mm (10.1 in) over 26 days, contributing to an average humidity of 89%. Prepare for a warm, humid, and occasionally rainy month!

September Temperature in Casay

In September in Casay, the average temperature is 28°C (82°F), with maximums reaching 32°C (90°F) and minimums dropping to 25°C (77°F). It's an ideal time to visit for those who enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Casay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casay, September typically has an average temperature of 28°C (82°F), with highs reaching up to 32°C (90°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec808081828383828282828181
Data source: Temperature data for Casay 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 Casay

In Casay in September, the precipitation amount is 257 mm (10.1 in) occurring over a span of 26 days.

September Precipitation Trends in Casay

The chart displays monthly precipitation patterns in Casay, 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 Casay, September typically receives around 257 mm (10.1 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec19614212490198226253210257254232276
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Casay

In Casay in September humidity is 89%. With an average temperature of 28°C (82°F), this humidity feels like a thick, warm blanket enveloping you, making every step feel slightly heavier and the air dense, which can be quite stifling for traveling.

September Average Humidity in Casay

This chart illustrates the average monthly humidity levels in Casay, 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 Casay 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 Casay

In Casay 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 Casay.

Maximum UV Index Levels in Casay for September

The chart shows the monthly maximum UV Index (UVI) for Casay 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 Casay typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416171413141415141211
Data source: Casay 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 Casay Compares to Other Months

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

This table compares monthly weather conditions in Casay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)196 mm (7.7 inches)88%extreme
February Weather26°C (80°F)142 mm (5.6 inches)86%extreme
March Weather27°C (81°F)124 mm (4.9 inches)84%extreme
April Weather28°C (83°F)90 mm (3.5 inches)82%extreme
May Weather28°C (83°F)198 mm (7.8 inches)83%extreme
June Weather28°C (83°F)226 mm (8.9 inches)85%extreme
July Weather28°C (82°F)253 mm (10.0 inches)86%extreme
August Weather28°C (82°F)210 mm (8.3 inches)87%extreme
September Weather28°C (82°F)257 mm (10.1 inches)89%extreme
October Weather28°C (82°F)254 mm (10.0 inches)85%extreme
November Weather27°C (82°F)232 mm (9.1 inches)87%extreme
December Weather27°C (81°F)276 mm (10.9 inches)91%extreme

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