September Weather in Puerto Princesa, Philippines

Last updated: August 27, 2025

September in Puerto Princesa, Philippines is characterized by warm tropical weather, with maximum temperatures reaching up to 31°C (88°F) and an average of 27°C (81°F). During this month, the humidity levels remain high at 87%, contributing to a visibly muggy atmosphere. Rainfall is a significant feature, with a total precipitation of 234 mm (9.2 in) spread over 27 days, making it one of the wettest months of the year. Visitors should prepare for frequent, yet often brief, tropical showers as they explore this vibrant destination.

September Temperature in Puerto Princesa

In September, Puerto Princesa, Philippines experiences a delightful mix of warmth and humidity, with temperatures that are typically inviting for both locals and visitors. The month sees a minimum of 25°C (77°F), rising to an average of 27°C (81°F) and peaking at a comfortable 31°C (88°F). This trend of consistent warmth is reminiscent of the preceding months, as September maintains similar high temperatures compared to August, while also subtly hinting at the cooler days to come in October. The steady climate is perfect for exploring the stunning natural beauty of the area, making it an excellent time for outdoor adventures against the backdrop of a tropical paradise.

September Weather in Puerto Princesa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Puerto Princesa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Princesa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec807981828382818181818180
Data source: Temperature data for Puerto Princesa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Puerto Princesa

In September, Puerto Princesa experiences a significant surge in rainfall, with precipitation measuring 234 mm (9.2 in), closely mirroring the previous months' trend of ample moisture. Notably, this month shares the spotlight with July and June, representing one of the wettest periods of the year. The 27 rainy days in September contribute to the region's lush, tropical landscape, making it apparent that the monsoon season is in full swing. As the rainfall peaks just before the even heavier deluge of October, this pattern illustrates the wet season's progression, emphasizing the need for both residents and visitors to prepare for vibrant, albeit soggy, days ahead.

September Precipitation Trends in Puerto Princesa

The chart displays monthly precipitation patterns in Puerto Princesa, 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 Puerto Princesa, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec152947189195232236214234357239246
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Puerto Princesa

September marks a significant uptick in humidity in Puerto Princesa, Philippines, with levels reaching 87%—the highest of the year. Following a gradual increase throughout the rainy season, which kicks off in June and peaks in August, September introduces a palpable mugginess that envelops the region. This trend indicates the lingering effects of the wet season, as humidity levels commonly hover around 80% or more from June to November. As the year progresses, the humidity then begins to normalize towards the more comfortable range of the low 80s, making September a distinct month characterized by its intense humidity, which patrons of the island should prepare for.

September Average Humidity in Puerto Princesa

This chart illustrates the average monthly humidity levels in Puerto Princesa, 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 Puerto Princesa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%78%78%77%77%80%80%83%87%81%82%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Puerto Princesa

In September, Puerto Princesa continues to experience an extreme UV Index of 15, mirroring the intensity of the preceding months. This level of UV radiation means that burn time remains a brief 10 minutes, urging both locals and visitors to practice diligent sun protection. Throughout the year, the UV Index in Puerto Princesa has consistently hovered at high levels, with January starting at 12 and peaking in March and April at 16. Interestingly, the months leading into autumn show a slight decline, yet the need for caution remains evident as the UV Index stabilizes. This trend highlights the region's year-round intensity of sunlight, making awareness and preparation essential for those enjoying the outdoors. For more information on UV levels and safety tips, check out the Puerto Princesa UV Index.

Maximum UV Index Levels in Puerto Princesa for September

The chart shows the monthly maximum UV Index (UVI) for Puerto Princesa 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 Puerto Princesa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121416161514141515141211
Data source: Puerto Princesa 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 Puerto Princesa

September in Puerto Princesa, Philippines, welcomes visitors with 269 hours of glorious sunshine, slightly dipping from the summer highs but still offering plenty of opportunities for outdoor adventures. As the rainy season approaches, this month showcases a transition marked by bright days compared to the sun-soaked peaks of March and May, which each boast over 310 hours of sunlight. The gradual decline in daylight hours from August to September hints at the impending shift toward the wetter months, yet it remains a beautiful time to explore the island’s lush landscapes and sparkling beaches. With sunshine lingering comfortably, September invites both relaxation and exploration in this tropical paradise.

Monthly Sunshine Duration in Puerto Princesa: September Highlighted

The September sunshine duration represents the total number of hours Puerto Princesa 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.
JanFebMarAprMayJunJulAugSepOctNovDec240h277h312h307h312h288h282h293h269h267h270h289h
Data source: Puerto Princesa September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Puerto Princesa During September

In September, the likelihood of sunny weather in Puerto Princesa drops significantly, with only a 10% chance of clear skies. This trend follows a pattern of decreased sunshine that begins in the middle of the year, peaking in March at 34% but steadily declining to one of the year's lowest probabilities by the time September rolls around. While the island remains a tropical paradise, travelers should be prepared for more overcast days and sporadic rain, especially as the wet season approaches. Thus, for those seeking sun-soaked adventures in Puerto Princesa, the best time to visit is earlier in the year, while September may require a bit more flexibility in outdoor plans.

Percentage of Sunny Days in September in Puerto Princesa

The chart illustrates the percentage of sunny days in Puerto Princesa 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 Puerto Princesa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%23%34%32%23%16%10%18%10%8%13%22%
Data source: Puerto Princesa September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Puerto Princesa in September

In Puerto Princesa, Philippines, September marks a continuation of the island's generous daylight, offering around 12 hours of sunlight each day. This stable daylight duration, which has been consistent since March, reflects a tropical climate that provides an inviting backdrop for outdoor adventures and exploration. As the year progresses, daylight gradually diminishes in October, dipping to 11 hours, hinting at the transition towards the cooler months. The persistent twelve hours from March to September serves as an ideal time for visitors to bask in the natural beauty and vibrant ecosystems that Puerto Princesa is renowned for, ensuring plenty of time to enjoy its stunning landscapes and rich biodiversity.

Average Daylight Hours in Puerto Princesa for September

The chart illustrates the variation in daylight duration in Puerto Princesa throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 36m11h 47m12h 3m12h 19m12h 33m12h 40m12h 37m12h 25m12h 9m11h 53m11h 39m11h 32m
Data source: Puerto Princesa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Puerto Princesa

As September rolls into Puerto Princesa, the gentle caress of the wind takes on a subdued character, with average speeds dropping to 1.7 m/s (4 mph). This marks one of the calmest months of the year, following a trend of gradually diminishing winds from the lively breezes of January's 3.7 m/s to the soft whispers of September. The shift reflects the transition toward the latter part of the year, where the lush landscapes bask in the quiet warmth, inviting a serene embrace of nature. As the winds settle, the atmosphere transforms, creating a peaceful backdrop perfect for exploration and relaxation in this tropical paradise.

Average September Wind Speed in Puerto Princesa

The chart displays monthly wind speed patterns in Puerto Princesa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.02.82.42.11.72.61.91.7 m/s2.32.33.8
Data source: Puerto Princesa September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Puerto Princesa Compares to Other Months

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

In comparing the weather of September and January, we see that both months maintain a warm climate with average temperatures ranging from 26°C to 27°C (79°F to 81°F). However, September tends to be slightly more humid, with humidity levels at 87% compared to January's 82%. Additionally, September experiences more rainfall, with 234 mm (9.2 inches) over 27 days, while January has only 152 mm (6.0 inches) over 18 days. For a closer look at January conditions, you can check out Puerto Princesa weather in January.

When comparing the weather in September and February, notable differences emerge. September typically experiences warmer temperatures, with minimums around 25°C (77°F) and maximums reaching 31°C (88°F), while February’s range is slightly cooler, with minimums at 23°C (74°F) and maximums peaking at 30°C (87°F). Additionally, September is significantly wetter, receiving 234 mm (9.2 in) of rain over 27 days, compared to February's 94 mm (3.7 in) across 16 days. This contributes to a higher humidity level in September at 87%, versus February's more comfortable 78%. For a more detailed look at February's weather, check out Puerto Princesa weather in February.

In comparing the weather between September and March, both months showcase similar average temperatures, hovering around 27°C (81°F), with maximums reaching up to 31°C (88°F). However, September tends to be significantly wetter, experiencing 234 mm (9.2 in) of precipitation over 27 days, compared to March’s much drier climate with only 71 mm (2.8 in) across 13 days. Additionally, humidity levels are higher in September at 87%, while March sees a slightly lower humidity of 78%. For a more detailed look at March weather conditions, check out Puerto Princesa weather in March.

When comparing the weather in September and April, both months feature high temperatures, but September tends to be slightly more humid and wetter. In September, the average temperature ranges from 25°C (77°F) to a maximum of 31°C (88°F) with a notable 234 mm (9.2 in) of precipitation over 27 days, resulting in a humidity level of 87%. In contrast, April enjoys a similar temperature range with a minimum of 24°C (76°F) and a maximum of 32°C (89°F), but experiences much less rainfall at 89 mm (3.5 in) over 18 days, leading to lower humidity at 77%. For a more detailed look at April weather, you can visit Puerto Princesa weather in April.

The weather in September tends to be slightly cooler compared to May, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), while May shows a broader range, with temperatures reaching up to 33°C (91°F) on average. Additionally, September experiences higher humidity at 87%, compared to May’s 77%. Precipitation levels are also notable, with September receiving 234 mm (9.2 in) over 27 days, compared to May’s 195 mm (7.7 in) over 26 days. For a deeper look at May’s climate specifics, check out Puerto Princesa weather in May.

In comparing the weather between September and June, both months exhibit similar temperature ranges, with minimums around 25°C (77°F) and maximums reaching up to 31°C (88°F). However, June tends to be slightly warmer on average at 28°C (82°F) compared to September's average of 27°C (81°F). Humidity levels are notably higher in September at 87%, while June's humidity is more comfortable at 80%. Precipitation is also comparable, with September recording 234 mm (9.2 in) over 27 days and June experiencing 232 mm (9.1 in) across 28 days. For more detailed information, you can check Puerto Princesa weather in June.

In both July and September, the weather remains quite similar, with temperatures consistently ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). However, September experiences slightly more rainfall, with 234 mm (9.2 inches) compared to July's 236 mm (9.3 inches), and both months have precipitation on about 27 days. Notably, September has higher humidity at 87%, while July maintains a more comfortable level at 80%. For those planning to visit, you can find more details about July's weather here.

In comparing the weather of September and August, we see that both months feature similar temperature ranges, with September experiencing a minimum of 25°C and an average of 27°C, compared to August's minimum of 24°C and average of 27°C. Both months peak at a maximum of 31°C, maintaining a warm atmosphere. However, September is slightly wetter, with 234 mm of precipitation over 27 days, compared to August's 214 mm over the same number of days. Additionally, September has a higher humidity level at 87%, compared to August's 83%. For more detailed insights, you can check Puerto Princesa weather in August.

September and October exhibit similar temperature ranges, with both months averaging around 27°C (81°F) and peaking at 31°C (88°F). However, October experiences considerably more rainfall, with 357 mm (14.0 in) of precipitation compared to September's 234 mm (9.2 in), leading to an increase in rainy days from 27 to 30. Additionally, October's humidity is slightly lower at 81%, compared to September's 87%. For more details, visit Puerto Princesa weather in October.

When comparing the weather between September and November, both months share similar temperature ranges, with minimums of 25°C (77°F), average temperatures of 27°C (81°F), and maximums reaching up to 31°C (88°F). However, November experiences slightly higher precipitation at 239 mm (9.4 in) over 28 days, compared to September's 234 mm (9.2 in) across 27 days. Additionally, humidity levels in November are marginally lower at 82%, while September sees a higher average of 87%. For more detailed information, you can visit Puerto Princesa weather in November.

In September, the weather typically features a warm climate with minimum temperatures around 25°C (77°F) and averaging 27°C (81°F), peaking at a maximum of 31°C (88°F). This month is characterized by high humidity at 87% and significant precipitation totaling 234 mm (9.2 in) over 27 days.

Conversely, December presents slightly cooler conditions, with minimum temperatures dropping to 23°C (74°F) while maintaining an average of 27°C (80°F) and a maximum of 30°C (87°F). Rainfall increases to 246 mm (9.7 in) over the same number of rainy days, and the humidity remains comparable at 86%. For more detailed insights into December weather, you can check Puerto Princesa weather in December.

Compare Puerto Princesa's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Puerto Princesa

As September arrives in Puerto Princesa, the weather takes on a distinct character compared to neighboring months. With elevated humidity levels and nearly daily rainfall, this time of year transforms the landscape into a lush paradise, while temperatures fluctuate comfortably between warm and mild. Despite the frequent showers, the average temperature remains inviting, making it a unique period for visitors seeking to experience the vibrant greenery and lively atmosphere. While the rains may deter some, they add a refreshing twist, offering a glimpse into the incredible biodiversity. For those wanting to delve deeper into the seasonal climate nuances, check out Puerto Princesa Climate.