September Weather in San Pablo, Philippines

Last updated: August 27, 2025

September in San Pablo, Philippines showcases a warm and rainy climate, where maximum temperatures reach around 33°C (92°F), with an average of 27°C (81°F) and a comfortable minimum of 23°C (73°F). This month witnesses significant precipitation, totaling approximately 357 mm (14.1 in) over 27 rainy days, leading to a steamy atmosphere with an average humidity of 85%. Whether you're looking to experience lush landscapes or vibrant local culture, September brings a unique blend of tropical warmth and refreshing rains to this picturesque city.

September Temperature in San Pablo

In September, San Pablo, Philippines, maintains a warm and welcoming climate, with temperatures showcasing a subtle consistency that characterizes this tropical paradise. The month sees minimums hovering around 23°C (73°F), ensuring pleasant mornings and evenings, while the average temperature rests at a comfortable 27°C (81°F). As the days transition towards their peak, maximum temperatures can reach up to 33°C (92°F). This trend reflects the lingering warmth of the dry season, preceding the cooler months ahead. Overall, September offers an idyllic backdrop for outdoor adventures, blending warmth with the lush beauty of the region, making it a delightful time for visitors and locals alike.

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

The chart illustrates September temperature patterns in San Pablo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pablo, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec787880828382818180808079
Data source: Temperature data for San Pablo 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 Pablo

In September, San Pablo experiences a significant uptick in precipitation, with 357 mm (14.1 in) of rainfall spread across 27 days. This marks a continuation of the wet season, following the intense rains of July and August, which saw 404 mm (15.9 in) and 315 mm (12.4 in) respectively. The trend here highlights a gradual increase in rainfall as the year progresses, peaking in the mid-summer months before tailing off into the drier fall months. As September closes, the region's lush landscapes burst with greenery, a vivid reminder of the monsoon's powerful grip, before the precipitation begins to wane in the following months.

September Precipitation Trends in San Pablo

The chart displays monthly precipitation patterns in San Pablo, 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 Pablo, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec79474134147251404315357272173197
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Pablo

September in San Pablo, Philippines, marks the continuation of a notably humid season, with humidity levels peaking at 85%—a figure that aligns with the preceding months of August and November. As the year progresses, a clear trend emerges: the humidity steadily rises from January's 78% to a high of 86% in December, illustrating the region's tropical climate. The months of July, August, and September are particularly characterized by increased moisture in the air, creating a warm yet sticky atmosphere that is typical of the wet season. This consistent rise in humidity underscores the island's lush, vibrant environment, appealing to those who appreciate the richness of tropical life but may require some adjustment in comfort levels.

September Average Humidity in San Pablo

This chart illustrates the average monthly humidity levels in San Pablo, 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 Pablo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%74%76%76%81%84%85%86%82%85%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Pablo

In September, San Pablo, Philippines, continues to experience extremely high UV levels, with a consistent UV Index of 14. This trend mirrors the previous months, including July and August, contributing to a burn time of just 10 minutes for unprotected skin. The prolonged exposure to such intense UV radiation underscores the importance for residents and visitors to take precautionary measures, such as applying sunscreen and wearing protective clothing. As we transition into the latter part of the year, it's essential to stay vigilant, as statistics suggest a gradual decrease towards October, when the index will slightly lower to 13. For more insights on UV levels throughout the year, visit the San Pablo UV Index.

Maximum UV Index Levels in San Pablo for September

The chart shows the monthly maximum UV Index (UVI) for San Pablo 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 Pablo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151314141414131110
Data source: San Pablo 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.

September Sunshine in San Pablo

September brings a gentle decline in sunshine hours in San Pablo, Philippines, with 254 hours of bright daylight. This marks a slight dip from the peak of summer in May, which enjoyed 323 hours, and showcases the region's gradual transition into the more overcast months ahead. While still basking in the warmth of early fall, September's sunny days remain a cherished part of the yearly cycle, subtly reflecting the shift toward the cooler season. The pattern reveals a steady decrease in sunlight as the year progresses, but even in September, the sunshine continues to grace San Pablo with a vibrant glow, illustrating the delightful balance of light and warmth that characterizes this tropical paradise.

Monthly Sunshine Duration in San Pablo: September Highlighted

The September sunshine duration represents the total number of hours San Pablo experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec234h274h316h313h323h296h265h261h254h267h270h279h
Data source: San Pablo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Pablo During September

In September, San Pablo, Philippines experiences a relatively low likelihood of sunny weather, with only a 14% chance of sunshine. This modest rate follows a trend seen throughout the rainy season, where the humidity peaks and sunny days dwindle, marking a significant drop from the brighter months of March and April, which both enjoy a 44% chance of sun. Interestingly, September's prospects are slightly better than the depths of the rainy season in July and August, characterized by a mere 9% and 11% chance, respectively. As the year progresses, October offers a slight uptick to 17%, hinting at a gradual shift back toward clearer skies, though September remains firmly planted in the wet and often overcast patterns typical of this time of year.

Percentage of Sunny Days in September in San Pablo

The chart illustrates the percentage of sunny days in San Pablo throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often San Pablo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%30%44%44%42%20%9%11%14%17%29%28%
Data source: San Pablo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Pablo in September

In September, San Pablo, Philippines, enjoys a consistent 12 hours of daylight, continuing the trend established over the preceding months of June to August. This duration reflects the region's tropical climate, where daylight remains relatively uniform throughout the year. As the transition into October approaches, daylight begins to slightly reduce, returning to 11 hours, which characterizes the latter months of the year. This gentle ebb and flow of daylight not only enhances the beauty of the landscape but also influences local activities, allowing residents and visitors to make the most of the vibrant outdoor lifestyle that San Pablo offers.

Average Daylight Hours in San Pablo for September

The chart illustrates the variation in daylight duration in San Pablo throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 23m11h 40m12h 2m12h 26m12h 45m12h 55m12h 50m12h 33m12h 11m11h 48m11h 28m11h 18m
Data source: San Pablo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in San Pablo

In September, the winds in San Pablo, Philippines settle into a gentle rhythm, averaging a breeze of 1.8 m/s (4 mph). This marks a notable shift from the stronger winds of earlier months and hints at the calming effect of the transitioning season. Following the peak wind speeds seen in January and December at 3.5 m/s (8 mph), the summer months experience a gradual decline, with wind speeds dipping to their lowest in the sweltering heat of June. As September rolls in, the air feels lighter, evoking a subtle change in the atmosphere, perfect for leisurely strolls under the warm sun. Looking ahead, October brings a slight increase in wind speed, suggesting a gradual return of the gentle breezes that characterize the tail end of the year.

Average September Wind Speed in San Pablo

The chart displays monthly wind speed patterns in San Pablo, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.13.12.62.61.82.92.01.8 m/s2.42.73.5
Data source: San Pablo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in San Pablo Compares to Other Months

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

In September, the weather is notably warmer and wetter compared to January, with average temperatures reaching 27°C (81°F) and maximums climbing to 33°C (92°F). This month is characterized by high humidity at 85% and significant rainfall, totaling 357 mm (14.1 in) across 27 days. In contrast, January offers a slightly cooler and drier climate, with average temperatures at 25°C (78°F) and maximums around 31°C (88°F). Rainfall in January is significantly reduced to 79 mm (3.1 in) spread over just 11 days, and humidity is lower at 78%. For more details about the weather in January, check San Pablo weather in January.

September and February offer contrasting weather experiences. In September, temperatures range from a minimum of 23°C (73°F) to a maximum of 33°C (92°F), with an average of 27°C (81°F). This month sees a significant amount of rainfall, with 357 mm (14.1 in) falling over 27 days, and humidity levels soaring to 85%. In stark contrast, February's weather is milder, with temperatures varying from 19°C (67°F) to a maximum of 31°C (88°F) and an average of 25°C (78°F). Precipitation is significantly lower at 47 mm (1.9 in) over just 8 days, accompanied by a more comfortable humidity level of 75%. For a detailed look at February weather, check out San Pablo weather in February.

In September, the weather tends to be more humid and rainy, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 33°C (92°F). It experiences significant precipitation, with 357 mm (14.1 in) spread over 27 days, resulting in a humid environment with an average humidity of 85%. In contrast, March presents a more moderate climate, with temperatures slightly lower, ranging from a minimum of 21°C (69°F) to the same maximum of 33°C (92°F). The rainfall is significantly reduced to only 41 mm (1.6 in) over 7 days, contributing to a lower humidity level of 74%. For more detailed insights into March weather, you can visit San Pablo weather in March.

In comparing the weather of September and April, we can observe notable differences. September boasts warm temperatures ranging from a minimum of 23°C (73°F) to a maximum of 33°C (92°F), with an average of 27°C (81°F). However, it also experiences significantly higher rainfall, totaling 357 mm (14.1 in) over 27 days, resulting in a high humidity level of 85%. In contrast, April tends to be slightly warmer, with temperatures ranging from 22°C (72°F) to a maximum of 35°C (95°F) and an average of 28°C (82°F). This month also sees much less rain, with only 34 mm (1.3 in) falling over 9 days and a lower humidity level of 76%. For a detailed look at April weather, visit San Pablo weather in April.

In comparing the weather of September and May, we see notable differences in temperature and precipitation. September experiences slightly milder temperatures, with a minimum of 23°C (73°F), an average of 27°C (81°F), and a maximum of 33°C (92°F). However, it is characterized by significantly higher precipitation at 357 mm (14.1 in) over 27 days and high humidity levels of 85%. In contrast, May offers warmer temperatures with a similar minimum of 23°C (74°F) but a higher average of 29°C (84°F) and peaks at 36°C (98°F). Additionally, May sees less rainfall, totaling 147 mm (5.8 in) over 23 days, with humidity at a comparatively lower 76%. For more details on May's weather, you can visit San Pablo weather in May.

In comparing the weather of September and June, both months exhibit warm temperatures, but September is generally rainier. September's average temperature is slightly lower at 27°C (81°F) compared to June's 28°C (83°F), with maximums reaching 33°C (92°F) in September and 35°C (96°F) in June. Precipitation in September is significantly higher at 357 mm (14.1 in) over 27 days, versus June's 251 mm (9.9 in) across 25 days. Additionally, September has a higher humidity level at 85%, contrasted with June’s 81%. For more detailed weather information, you can check San Pablo weather in June.

In comparing the weather between September and July, both months see similar temperature ranges, with minimums around 23°C (73°F) and average temperatures sitting at about 27°C (81°F). However, July tends to be slightly warmer, peaking at 34°C (93°F) compared to September's maximum of 33°C (92°F). Precipitation levels are notably higher in July, with 404 mm (15.9 in) of rain over 30 days, compared to September’s 357 mm (14.1 in) falling over 27 days. Humidity levels remain quite high in both months, with September at 85% and July at 84%. For more details, you can check out San Pablo weather in July.

In comparing the weather in September and August, both months exhibit similar temperature ranges, with a minimum of 23°C (73°F), an average of 27°C (81°F), and a maximum of 33°C (92°F in September and 91°F in August). However, September experiences slightly more precipitation, totaling 357 mm (14.1 in) over 27 days, compared to August's 315 mm (12.4 in) over 26 days. Both months maintain a high humidity level of 85%, contributing to the overall tropical feel. For a more detailed look at conditions during August, you can visit San Pablo weather in August.

In September, the weather is characterized by consistent temperatures, with a minimum of 23°C (73°F), an average of 27°C (81°F), and a maximum of 33°C (92°F). However, it also sees significant rainfall, totaling 357 mm (14.1 in) over 27 days and humidity levels around 85%. In contrast, October maintains a similar temperature range, with the minimum and average temperatures remaining the same, but experiencing less rainfall at 272 mm (10.7 in) over 26 days and slightly lower humidity at 82%. For more detailed insights, you can check San Pablo weather in October.

In September, weather conditions are notably warmer, with average temperatures reaching up to 27°C (81°F) and maximums peaking at 33°C (92°F). The month is characterized by high precipitation levels, totaling 357 mm (14.1 in) over 27 days, while humidity remains consistently high at 85%. In contrast, November experiences slightly milder temperatures, with a minimum of 22°C (72°F) and a maximum of 32°C (90°F), alongside significantly reduced rainfall of 173 mm (6.8 in) over just 19 days. Both months maintain similar humidity levels, but November's drier conditions make it more pleasant overall. For more specifics about November weather, visit San Pablo weather in November.

September and December weather exhibit some notable differences despite their relatively close temperatures. In September, the minimum temperature hovers around 23°C (73°F), while the average temperature is 27°C (81°F) and can peak at 33°C (92°F). This month is characterized by heavy rainfall, with about 357 mm (14.1 in) of precipitation spread over 27 days, and a humidity level reaching 85%. In contrast, December sees a slight drop in temperatures—with minimums of 21°C (69°F), average temperatures of 26°C (79°F), and maximums of 32°C (90°F). Precipitation also decreases significantly to 197 mm (7.7 in) over just 17 days, accompanied by a marginally higher humidity of 86%. For a closer look at weather conditions in December, you can visit San Pablo weather in December.

Compare San Pablo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in San Pablo

As we bid farewell to summer, September in San Pablo presents a notable shift in weather patterns. With its blend of warm temperatures and high humidity, the month brings a vibrant yet often damp atmosphere. Unlike the drier months that precede it, September experiences increased precipitation, making it one of the wettest times of the year with nearly every day marked by rain. This combination of warmth and consistent rainfall nurtures the lush greenery of the region, setting the stage for a vibrant landscape. For a deeper dive into how September stands out and to understand more about the climatic nuances, check out San Pablo Climate.