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September Weather in Sumilao, Philippines

Last updated: August 27, 2025

In Sumilao, Philippines, the average temperature during September is a comfortable 22°C (73°F). You'll experience mild conditions with minimum temperatures dropping to 17°C (62°F) and maximums reaching up to 29°C (85°F). However, be prepared for frequent rain, as the region sees 394 mm (15.5 in) of precipitation over 27 days. With an average humidity level of 89%, the air might feel a bit sticky, so plan accordingly!

September Temperature in Sumilao

In September in Sumilao, the average temperature is 22°C (73°F). The maximum can reach 29°C (85°F), while the minimum can drop to as low as 17°C (62°F). This makes Sumilao an ideal destination for travelers seeking pleasant and mild weather during this time of year.

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

The chart illustrates September temperature patterns in Sumilao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumilao, September typically has an average temperature of 22°C (73°F), with highs reaching up to 29°C (85°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec727273747573737372737372
Data source: Temperature data for Sumilao 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 Sumilao

In Sumilao in September, the precipitation amount is 394 mm (15.5 in) over the course of 27 days.

September Precipitation Trends in Sumilao

The chart displays monthly precipitation patterns in Sumilao, 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 Sumilao, September typically receives around 394 mm (15.5 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec213169150147285374408360394395239234
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sumilao

In Sumilao in September humidity is 89%. With average temperature 22°C (73°F), this humidity feels like a warm, steamy embrace that clings to your skin, making traveling somewhat uncomfortable as you navigate the thick air and perspiration.

September Average Humidity in Sumilao

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

In Sumilao 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 Sumilao.

Maximum UV Index Levels in Sumilao for September

The chart shows the monthly maximum UV Index (UVI) for Sumilao 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 Sumilao typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516161514141415141312
Data source: Sumilao 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 Sumilao Compares to Other Months

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

This table compares monthly weather conditions in Sumilao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)213 mm (8.4 inches)88%extreme
February Weather22°C (72°F)169 mm (6.6 inches)86%extreme
March Weather23°C (73°F)149 mm (5.9 inches)84%extreme
April Weather23°C (74°F)146 mm (5.8 inches)82%extreme
May Weather24°C (75°F)285 mm (11.2 inches)83%extreme
June Weather23°C (74°F)374 mm (14.7 inches)85%extreme
July Weather23°C (73°F)408 mm (16.1 inches)86%extreme
August Weather23°C (73°F)360 mm (14.2 inches)87%extreme
September Weather22°C (73°F)394 mm (15.5 inches)89%extreme
October Weather23°C (73°F)395 mm (15.5 inches)85%extreme
November Weather23°C (73°F)239 mm (9.4 inches)87%extreme
December Weather22°C (72°F)234 mm (9.2 inches)91%extreme

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