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September Weather in San Jose de Buan, Philippines

Last updated: August 27, 2025

In September, the average temperature in San Jose de Buan, Philippines reaches a warm 27°C (81°F). Temperatures can range from a comfortable 23°C (73°F) to a sizzling 33°C (91°F). However, be prepared for wet days, as precipitation amounts to 251 mm (9.9 in) over 27 days. With an average humidity of 90%, the air can feel quite humid, adding to the tropical atmosphere.

September Temperature in San Jose de Buan

In September in San Jose de Buan, the average temperature is 27°C (81°F). Maximums can reach 33°C (91°F), and minimums can be as low as 23°C (73°F). This pleasant climate makes San Jose de Buan an ideal destination for travelers seeking warm weather and outdoor activities.

September Weather in San Jose de Buan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jose de Buan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose de Buan, September typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (91°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec787880818282818181808079
Data source: Temperature data for San Jose de Buan 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 Jose de Buan

In San Jose de Buan in September, the precipitation amount is 251 mm (9.9 in) over the course of 27 days.

September Precipitation Trends in San Jose de Buan

The chart displays monthly precipitation patterns in San Jose de Buan, 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 Jose de Buan, September typically receives around 251 mm (9.9 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec214140102123125242298265251266200337
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Jose de Buan

In San Jose de Buan in September, humidity is 90%. With an average temperature of 27°C (81°F), this humidity feels like walking through a heavy fog, making outdoor activities uncomfortable and exhausting, and leaving travelers drenched in sweat within minutes.

September Average Humidity in San Jose de Buan

This chart illustrates the average monthly humidity levels in San Jose de Buan, 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 Jose de Buan is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%77%78%85%87%88%89%90%87%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Jose de Buan

In San Jose de Buan 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 Jose de Buan, you can check here.

Maximum UV Index Levels in San Jose de Buan for September

The chart shows the monthly maximum UV Index (UVI) for San Jose de Buan 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 Jose de Buan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315161414141414131111
Data source: San Jose de Buan 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 Jose de Buan Compares to Other Months

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

This table compares monthly weather conditions in San Jose de Buan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)214 mm (8.4 inches)85%extreme
February Weather26°C (79°F)140 mm (5.5 inches)80%extreme
March Weather27°C (80°F)101 mm (4.0 inches)77%extreme
April Weather27°C (81°F)123 mm (4.9 inches)78%extreme
May Weather28°C (83°F)125 mm (4.9 inches)84%extreme
June Weather28°C (82°F)242 mm (9.5 inches)87%extreme
July Weather27°C (81°F)298 mm (11.7 inches)88%extreme
August Weather27°C (82°F)265 mm (10.4 inches)89%extreme
September Weather27°C (81°F)251 mm (9.9 inches)90%extreme
October Weather27°C (81°F)266 mm (10.5 inches)87%extreme
November Weather27°C (81°F)200 mm (7.9 inches)90%extreme
December Weather26°C (80°F)337 mm (13.2 inches)91%extreme

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