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September Weather in Calayaan, Philippines

Last updated: August 27, 2025

In September, the average temperature in Calayaan, Philippines hovers around 27°C (81°F). Expect a comfortable minimum of 22°C (72°F) and a warm maximum of 34°C (93°F). However, prepare for a significant amount of rain, with 273 mm (10.8 in) of precipitation spread over 25 days. Additionally, the atmosphere is quite humid, with an average humidity level of 89%.

September Temperature in Calayaan

In September in Calayaan, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 22°C (72°F). Overall, this makes Calayaan a warm and pleasant destination, perfect for travelers looking to enjoy the sun.

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

The chart illustrates September temperature patterns in Calayaan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calayaan, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec777881838483818181818079
Data source: Temperature data for Calayaan 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 Calayaan

In Calayaan in September, the precipitation amount is 273 mm (10.8 in) during 25 days, indicating a significant level of rainfall for that period.

September Precipitation Trends in Calayaan

The chart displays monthly precipitation patterns in Calayaan, 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 Calayaan, September typically receives around 273 mm (10.8 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec5326304216124135931027318511789
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Calayaan

In Calayaan in September humidity is 89%. With an average temperature of 27°C (81°F), this humidity feels like a wet blanket enveloping you, making outdoor activities challenging and travel a little less comfortable.

September Average Humidity in Calayaan

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

In Calayaan 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 Calayaan, you can check here.

Maximum UV Index Levels in Calayaan for September

The chart shows the monthly maximum UV Index (UVI) for Calayaan 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 Calayaan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151315141414131110
Data source: Calayaan 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 Calayaan Compares to Other Months

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

This table compares monthly weather conditions in Calayaan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)53 mm (2.1 inches)76%extreme
February Weather25°C (78°F)26 mm (1.0 inches)71%extreme
March Weather27°C (82°F)30 mm (1.2 inches)68%extreme
April Weather29°C (84°F)42 mm (1.6 inches)69%extreme
May Weather29°C (85°F)161 mm (6.3 inches)76%extreme
June Weather28°C (83°F)241 mm (9.5 inches)87%extreme
July Weather27°C (81°F)359 mm (14.1 inches)88%extreme
August Weather27°C (81°F)310 mm (12.2 inches)89%extreme
September Weather27°C (81°F)273 mm (10.8 inches)89%extreme
October Weather27°C (81°F)185 mm (7.3 inches)86%extreme
November Weather27°C (80°F)117 mm (4.6 inches)89%extreme
December Weather26°C (79°F)89 mm (3.5 inches)86%very high

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