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September Weather in San Fabian, Philippines

Last updated: August 27, 2025

In September, the average temperature in San Fabian, Philippines is a warm 27°C (81°F). With minimum temperatures dipping to 21°C (71°F) and highs reaching up to 34°C (94°F), the climate is decidedly tropical. Be prepared for 333 mm (13.1 in) of rainfall spread over 27 days, resulting in a high average humidity of 89%.

September Temperature in San Fabian

In September in San Fabian, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 21°C (71°F). This pleasant climate makes San Fabian an ideal destination for travelers seeking warm weather and comfortable conditions.

September Weather in San Fabian: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Fabian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fabian, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec787881848583818181818179
Data source: Temperature data for San Fabian 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 San Fabian

In San Fabian in September, the total precipitation amount is 333 mm (13.1 in), which falls over the course of 27 days.

September Precipitation Trends in San Fabian

The chart displays monthly precipitation patterns in San Fabian, 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 San Fabian, September typically receives around 333 mm (13.1 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec78432929168299441415333274125125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Fabian

In San Fabian 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 San Fabian

This chart illustrates the average monthly humidity levels in San Fabian, 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 San Fabian 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 San Fabian

In San Fabian 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 San Fabian, you can check here.

Maximum UV Index Levels in San Fabian for September

The chart shows the monthly maximum UV Index (UVI) for San Fabian 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 San Fabian typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151314141414131010
Data source: San Fabian 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 San Fabian Compares to Other Months

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

This table compares monthly weather conditions in San Fabian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)78 mm (3.1 inches)76%extreme
February Weather26°C (78°F)43 mm (1.7 inches)71%extreme
March Weather27°C (81°F)29 mm (1.1 inches)68%extreme
April Weather29°C (84°F)29 mm (1.1 inches)69%extreme
May Weather29°C (85°F)168 mm (6.6 inches)76%extreme
June Weather28°C (83°F)299 mm (11.8 inches)87%extreme
July Weather27°C (81°F)440 mm (17.3 inches)88%extreme
August Weather27°C (81°F)415 mm (16.3 inches)89%extreme
September Weather27°C (81°F)333 mm (13.1 inches)89%extreme
October Weather27°C (81°F)273 mm (10.8 inches)86%extreme
November Weather27°C (81°F)125 mm (4.9 inches)89%very high
December Weather26°C (79°F)125 mm (4.9 inches)86%very high

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