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September Weather in San Nicolas, Philippines

Last updated: August 27, 2025

In September, the average temperature in San Nicolas, Philippines hovers around 28°C (83°F), providing a warm and inviting climate. Expect minimums of 23°C (73°F) and occasional peaks reaching 35°C (95°F). However, with an average precipitation amount of 265 mm (10.4 in) spread over 26 days, pack your rain gear! Additionally, the average humidity sits at a steamy 89%, adding to the overall tropical ambiance.

September Temperature in San Nicolas

In September in San Nicolas, the average temperature is 28°C (83°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 23°C (73°F). This warm climate makes San Nicolas an ideal destination for sun-seekers and outdoor enthusiasts.

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

The chart illustrates September temperature patterns in San Nicolas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Nicolas, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec798083868785838282828281
Data source: Temperature data for San Nicolas 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 Nicolas

In San Nicolas in September, the total precipitation amount is 265 mm (10.4 in), recorded over a span of 26 days.

September Precipitation Trends in San Nicolas

The chart displays monthly precipitation patterns in San Nicolas, 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 Nicolas, September typically receives around 265 mm (10.4 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec6023182314123134932126520210899
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Nicolas

In San Nicolas 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 San Nicolas

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

In San Nicolas 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 Nicolas, you can check here.

Maximum UV Index Levels in San Nicolas for September

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

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

This table compares monthly weather conditions in San Nicolas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)60 mm (2.4 inches)76%extreme
February Weather27°C (80°F)22 mm (0.9 inches)71%extreme
March Weather29°C (84°F)18 mm (0.7 inches)68%extreme
April Weather30°C (86°F)23 mm (0.9 inches)69%extreme
May Weather31°C (87°F)141 mm (5.6 inches)76%extreme
June Weather29°C (85°F)231 mm (9.1 inches)87%extreme
July Weather28°C (83°F)349 mm (13.7 inches)88%extreme
August Weather28°C (83°F)321 mm (12.6 inches)89%extreme
September Weather28°C (83°F)265 mm (10.4 inches)89%extreme
October Weather28°C (83°F)202 mm (7.9 inches)86%extreme
November Weather28°C (82°F)108 mm (4.3 inches)89%very high
December Weather27°C (81°F)99 mm (3.9 inches)86%very high

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