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September Weather in Biao, Philippines

Last updated: August 27, 2025

In Biao, Philippines, the average temperature in September hovers around 27°C (80°F). Expect minimums of 22°C (72°F) and maximums reaching up to 34°C (93°F). With 325 mm (12.8 in) of precipitation spread over 28 days, the weather is quite wet, contributing to an average humidity of a high 89%.

September Temperature in Biao

In September in Biao, the average temperature is 27°C (80°F). Maximums can reach 34°C (93°F), while minimums can drop as low as 22°C (72°F). This pleasant climate makes Biao an ideal destination for travelers seeking warmth and sunshine during this time.

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

The chart illustrates September temperature patterns in Biao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biao, September typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec797981838381808080808079
Data source: Temperature data for Biao 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 Biao

In Biao in September, the precipitation amount is 325 mm (12.8 in) over the course of 28 days.

September Precipitation Trends in Biao

The chart displays monthly precipitation patterns in Biao, 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 Biao, September typically receives around 325 mm (12.8 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec1511119885229302350294325329222240
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Biao

In Biao in September humidity is 89%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky embrace, making travel feel heavy and reminiscent of a sauna, where even the slightest exertion can leave you feeling drenched and yearning for a cool breeze.

September Average Humidity in Biao

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

In Biao 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 Biao.

Maximum UV Index Levels in Biao for September

The chart shows the monthly maximum UV Index (UVI) for Biao 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 Biao typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416171414141415141211
Data source: Biao 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 Biao Compares to Other Months

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

This table compares monthly weather conditions in Biao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)150 mm (5.9 inches)88%extreme
February Weather26°C (79°F)111 mm (4.4 inches)86%extreme
March Weather27°C (81°F)98 mm (3.8 inches)84%extreme
April Weather28°C (83°F)85 mm (3.3 inches)82%extreme
May Weather28°C (83°F)229 mm (9.0 inches)83%extreme
June Weather27°C (81°F)302 mm (11.9 inches)85%extreme
July Weather27°C (80°F)350 mm (13.8 inches)86%extreme
August Weather27°C (81°F)294 mm (11.6 inches)87%extreme
September Weather27°C (80°F)325 mm (12.8 inches)89%extreme
October Weather27°C (80°F)328 mm (12.9 inches)85%extreme
November Weather27°C (80°F)222 mm (8.7 inches)87%extreme
December Weather26°C (80°F)240 mm (9.5 inches)91%extreme

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