September Weather in Calilayan, Philippines

Last updated: August 27, 2025

In September, the average temperature in Calilayan, Philippines is a warm 28°C (82°F). Expect minimum temperatures of 25°C (78°F) and highs reaching up to 31°C (88°F). However, be prepared for some rain, as 287 mm (11.3 in) of precipitation can occur over 25 days. The humidity remains high at an average of 85%, making the atmosphere feel quite tropical!

September Temperature in Calilayan

In September in Calilayan, the average temperature is 28°C (82°F), with maximums reaching 31°C (88°F) and minimums dropping to as low as 25°C (78°F). This comfortable weather makes it an ideal time for travelers to explore and enjoy outdoor activities in Calilayan.

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

The chart illustrates September temperature patterns in Calilayan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calilayan, September typically has an average temperature of 28°C (82°F), with highs reaching up to 31°C (88°F) and lows dropping to around 25°C (78°F).

Data source: Temperature data for Calilayan generated using information from the Copernicus Climate Change Service.

September Precipitation in Calilayan

In Calilayan in September, the total precipitation amount is 287 mm (11.3 in) spread over 25 days.

September Precipitation Trends in Calilayan

The chart displays monthly precipitation patterns in Calilayan, 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 Calilayan, September typically receives around 287 mm (11.3 inches) of precipitation spread over approximately 25 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Calilayan

In Calilayan in September humidity is 85%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a sweaty endeavor and requiring frequent breaks to stay refreshed.

September Average Humidity in Calilayan

This chart illustrates the average monthly humidity levels in Calilayan, 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 Calilayan is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Calilayan

In Calilayan 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 Calilayan, you can check here.

Maximum UV Index Levels in Calilayan for September

The chart shows the monthly maximum UV Index (UVI) for Calilayan 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 Calilayan typically reaches 14, which falls under the extreme exposure category.

Data source: Calilayan 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 Calilayan Compares to Other Months

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

This table compares monthly weather conditions in Calilayan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	112 mm (4.4 inches)	78%	extreme
February Weather	26°C (79°F)	78 mm (3.1 inches)	75%	extreme
March Weather	27°C (81°F)	54 mm (2.1 inches)	74%	extreme
April Weather	28°C (82°F)	45 mm (1.8 inches)	76%	extreme
May Weather	29°C (84°F)	141 mm (5.6 inches)	76%	extreme
June Weather	28°C (84°F)	227 mm (8.9 inches)	81%	extreme
July Weather	28°C (82°F)	315 mm (12.4 inches)	84%	extreme
August Weather	28°C (83°F)	203 mm (8.0 inches)	85%	extreme
September Weather	28°C (82°F)	287 mm (11.3 inches)	85%	extreme
October Weather	27°C (82°F)	282 mm (11.1 inches)	82%	extreme
November Weather	27°C (81°F)	216 mm (8.5 inches)	85%	extreme
December Weather	26°C (80°F)	251 mm (9.9 inches)	86%	extreme