September Weather in Dumaguete, Philippines

Last updated: August 27, 2025

In Dumaguete, Philippines, September brings a warm tropical climate, with maximum temperatures reaching 32°C (90°F) and an average of 27°C (81°F). While the minimum temperatures linger around 24°C (75°F), the humidity remains high at 89%, contributing to the sultry atmosphere. Rainfall is significant during this month, with an average precipitation of 319 mm (12.6 in) distributed over 26 days, highlighting the wet season in this vibrant coastal city. September in Dumaguete offers a unique blend of warmth and moisture, perfect for those who appreciate lush landscapes and rich natural beauty.

September Temperature in Dumaguete

In Dumaguete, Philippines, September heralds the close of the humid summer months with temperatures that maintain a pleasant consistency. The minimum temperature hovers around 24°C (75°F), providing a comfortable start to the day, while the average remains at a delightful 27°C (81°F). Daytime highs peak at 32°C (90°F), closely aligning with the typical climate pattern established throughout the year. This steady warmth, contrasting slightly with the preceding months of July and August, reflects the region's tropical essence, ensuring that visitors can enjoy outdoor activities amid the lush landscapes. As September transitions into October, temperatures remain stable, promising a continued embrace of warmth that invites exploration and relaxation alike.

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

The chart illustrates September temperature patterns in Dumaguete, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dumaguete, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808081828382818181818180
Data source: Temperature data for Dumaguete 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 Dumaguete

September in Dumaguete, Philippines, marks a significant uptick in rainfall, with an impressive 319 mm (12.6 in) of precipitation recorded over the month. This spike continues a trend from the preceding months, with rainfall peaking in both July and August; however, September's precipitation surpasses even those levels. The city experiences rain on 26 days, maintaining a rhythm of frequent showers that characterizes the tail end of the wet season. The patterns observed throughout the year reveal a gradual escalation of rain, particularly noteworthy as Dumaguete transitions from the relatively drier months of April and March into the lush, water-laden embrace of the latter part of the year.

September Precipitation Trends in Dumaguete

The chart displays monthly precipitation patterns in Dumaguete, 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 Dumaguete, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec16413210685228241316257319326215221
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dumaguete

In September, Dumaguete experiences one of its highest humidity levels of the year at 89%, reflecting a gradual increase from 88% in January. This rise is part of a general trend observed throughout the months, where humidity levels consistently hover in the mid to high 80s, peaking in September before tapering off slightly in October. As the year progresses, the humidity fluctuates minimally, with December showcasing the highest average at 91%. The pattern indicates a tropical climate that remains consistently humid, particularly in the latter half of the year, inviting both challenges and charms for residents and visitors alike.

September Average Humidity in Dumaguete

This chart illustrates the average monthly humidity levels in Dumaguete, 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 Dumaguete is approximately {2}%, 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 Dumaguete

As September rolls into Dumaguete, the UV Index remains notably high at 15, categorizing the sun's intensity as extreme and maintaining a burn time of just 10 minutes. This trend of elevated UV levels is consistent throughout the year, with January kicking off the extreme exposure category at 13 and peaking in March and April at 16. While the index dips slightly during the latter months, it continues to command vigilance at levels that warrant protective measures. As such, it’s crucial to remain sun-safe when enjoying outdoor activities during this sunny month. For more detailed insights, check the Dumaguete UV Index.

Maximum UV Index Levels in Dumaguete for September

The chart shows the monthly maximum UV Index (UVI) for Dumaguete 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 Dumaguete typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416161414141515141211
Data source: Dumaguete 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 Dumaguete

As summer wanes and September arrives in Dumaguete, the island experiences a radiant 274 hours of sunshine, continuing its impressive trend of bright days. Following the peak of 310 hours in May, the month maintains a generous amount of sunlight, contributing to the vibrant outdoor lifestyle that locals and tourists cherish. Overall, September shows a healthy balance in daylight, nestled comfortably between the bountiful summer months and the slightly lower hours of October, which records 267 hours. This consistent sunshine not only enriches the scenic beauty of Dumaguete but also invites a plethora of activities under the ever-gleaming sky.

Monthly Sunshine Duration in Dumaguete: September Highlighted

The September sunshine duration represents the total number of hours Dumaguete 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.
JanFebMarAprMayJunJulAugSepOctNovDec229h270h309h305h310h283h284h288h274h267h267h278h
Data source: Dumaguete September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dumaguete During September

September in Dumaguete, Philippines typically heralds the onset of the rainy season, with the chance of sunny weather dropping to a modest 9%. This trend marks a notable decline from the 32% sunlit days enjoyed in March and a gradual decrease in the months leading up to September. As the summer months slip away, the likelihood of cloud cover increases, with both August and September sharing depressingly low sunshine percentages. Despite this, the lush landscapes fueled by the rains paint a different kind of beauty, inviting those who seek adventure and breathtaking scenery rather than just sun. September's weather may be less favorable for beachgoers, but it carries with it the promise of vibrant greenery and a refreshing change.

Percentage of Sunny Days in September in Dumaguete

The chart illustrates the percentage of sunny days in Dumaguete 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 Dumaguete experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%21%32%19%18%14%13%13%9%8%14%16%
Data source: Dumaguete September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dumaguete in September

In Dumaguete, Philippines, September continues the trend of consistent daylight duration, featuring 12 hours of sunlight each day. This pattern emerges after the brief peak in sunshine during the earlier months of March through August, where the city enjoys a uniform span of 12 hours. As the year progresses towards October, daylight hours gradually decline, returning to 11 hours by the late fall months. The steady daylight in September not only marks a balance within the yearly cycle but also provides ample opportunity for outdoor adventures, making it an ideal time to explore the natural beauty and vibrant culture of Dumaguete.

Average Daylight Hours in Dumaguete for September

The chart illustrates the variation in daylight duration in Dumaguete throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 38m11h 49m12h 3m12h 19m12h 32m12h 38m12h 35m12h 23m12h 9m11h 54m11h 41m11h 34m
Data source: Dumaguete daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dumaguete

As September arrives in Dumaguete, the average wind speed gently settles at 1.8 m/s (4 mph), reflecting a subtle shift from the blustery months of earlier in the year. This slight dip aligns with the trend seen throughout the summer, where wind speeds, particularly in June and August, reach their lowest points. However, following this lull, a gradual increase can be anticipated in the coming months, with October and November ushering in slightly brisker breezes. Overall, September provides a tranquil interlude, as the coastal winds become softer, inviting both relaxation and exploration of Dumaguete's serene landscapes.

Average September Wind Speed in Dumaguete

The chart displays monthly wind speed patterns in Dumaguete, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.73.02.42.31.62.71.61.8 m/s2.12.43.4
Data source: Dumaguete September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Dumaguete Compares to Other Months

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

September and January share similar temperature ranges, with both months experiencing minimums around 23-24°C (74-75°F) and maximums reaching up to 32°C (90°F). However, September is notably wetter, receiving 319 mm (12.6 in) of rainfall over 26 days, compared to January's 164 mm (6.4 in) across 20 days. The humidity remains relatively constant, averaging 89% in September and slightly lower at 88% in January. For more detailed insights, check out Dumaguete weather in January.

September and February exhibit similar temperature ranges, with both months averaging around 27°C (81°F) and peaking at 32°C (90°F). However, September is noticeably wetter, receiving a hefty 319 mm (12.6 in) of rainfall over 26 days, compared to February's more modest 132 mm (5.2 in) across 16 days. Additionally, September's humidity is slightly higher at 89%, while February maintains a comfortable level at 86%. This contrast makes February a drier alternative for those looking to enjoy milder weather. For more insights on February's climate, you can check the details here: Dumaguete weather in February.

In comparing the weather of September and March, both months share a similar average temperature of 27°C (81°F), with maximum temperatures reaching up to 32°C (90°F). However, September tends to be wetter, with a significantly higher precipitation level of 319 mm (12.6 in) over 26 days, compared to March's 106 mm (4.2 in) across only 16 days. Additionally, humidity levels are slightly higher in September at 89%, versus 84% in March, making September feel a bit more humid and rainy. For more detailed insights, you can explore Dumaguete weather in March.

In comparing the weather of September and April, we find that both months exhibit warm temperatures, though April tends to be slightly hotter on average. September records a minimum of 24°C (75°F) and an average of 27°C (81°F), while April has a minimum of 23°C (74°F) and an average of 28°C (83°F). The maximum temperatures in April can reach up to 34°C (93°F), surpassing September’s peak of 32°C (90°F). However, September is significantly wetter, with 319 mm (12.6 in) of precipitation over 26 days compared to April's 85 mm (3.3 in) over 18 days. Additionally, September maintains a higher humidity at 89%, whereas April sees a lower humidity level of 82%. For more detailed insights, you can check the Dumaguete weather in April.

In comparing September and May weather, both months experience similar minimum temperatures, hovering around 24°C (75°F - 76°F), but May tends to be slightly warmer overall with an average temperature of 28°C (83°F) compared to September's 27°C (81°F). May also reaches higher maximum temperatures, peaking at 33°C (92°F), while September's maximum is 32°C (90°F). Precipitation is notably higher in September at 319 mm (12.6 in) over 26 days, compared to May’s 227 mm (9.0 in) over 27 days. Additionally, humidity levels are higher in September at 89%, while May maintains a slightly lower level at 83%. For a detailed look at May weather in Dumaguete, visit Dumaguete weather in May.

In comparing the weather of September and June, both months experience warm temperatures, with September averaging 27°C (81°F) and June slightly warmer at 28°C (82°F). Interestingly, the maximum temperatures are similar, with September peaking at 32°C (90°F) and June reaching 33°C (91°F). However, September sees significantly more rainfall, with 319 mm (12.6 in) over 26 days compared to June’s 240 mm (9.5 in) over 28 days. The humidity is also slightly higher in September at 89%, compared to June's 85%. For more details on June weather, you can visit Dumaguete weather in June.

Both September and July experience similar temperature ranges, with minimums around 24°C (75°F), averages of 27°C (81°F), and maximums reaching 32°C (90°F). However, September sees slightly more precipitation, totaling 319 mm (12.6 in) over 26 days, compared to July's 316 mm (12.4 in) over 29 days. The humidity is also marginally higher in September at 89%, compared to July's 86%. For more detailed information on July weather, you can check Dumaguete weather in July.

In comparing the weather patterns of September and August, both months exhibit similar temperature ranges, with minimum temperatures at 24°C (75°F), average temperatures at 27°C (81°F), and maximum temperatures around 32°C (90°F in September and 91°F in August). However, September sees a notable increase in precipitation, totaling 319 mm (12.6 in) over 26 days compared to August's 257 mm (10.1 in) across the same number of days. Additionally, September experiences slightly higher humidity levels at 89% compared to 87% in August. For more detailed insights, you can check Dumaguete weather in August.

In comparing the weather between September and October, we see that both months experience a similar temperature range, with minimum temperatures around 24°C (76°F), average temperatures at 27°C (81°F), and maximum temperatures reaching 32°C (90°F in September and 91°F in October). However, October tends to be slightly wetter, with a total precipitation of 326 mm (12.8 in) over 29 days compared to September's 319 mm (12.6 in) over 26 days. Additionally, October boasts a marginally lower humidity level at 85%, compared to September's 89%. For more detailed weather insights, you can check Dumaguete weather in October.

In comparing the weather between September and November, both months exhibit similar average temperatures, hovering around 27°C (81°F). However, September typically begins with slightly warmer minimum and maximum temperatures, reaching a high of 32°C (90°F), while November sees a slightly lower maximum of 32°C (89°F). Precipitation levels are significantly higher in September, with 319 mm (12.6 in) of rain over 26 days compared to 215 mm (8.4 in) across 28 days in November. Humidity remains fairly consistent, with September at 89% and November at 87%. For more details, you can visit Dumaguete weather in November.

In comparing the weather of September and December, we notice that both months maintain a consistent average temperature of 27°C (81°F). However, September tends to be slightly warmer with a minimum temperature of 24°C (75°F) compared to December's minimum of 22°C (73°F). Conversely, while the maximum temperatures are similar, both reaching around 32°C (90°F) in September and 32°C (89°F) in December, September experiences a significantly higher level of precipitation at 319 mm (12.6 in) over 26 days, compared to December's 221 mm (8.7 in) over 27 days. Additionally, humidity levels are quite similar, with September at 89% and December slightly higher at 91%. For a more detailed look at the weather conditions in December, you can check Dumaguete weather in December.

Compare Dumaguete's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Dumaguete

As September rolls into Dumaguete, the weather takes on a unique character, characterized by its warm temperatures and high humidity levels. While the average warmth stays pleasant, the month is marked by a significant increase in precipitation, with nearly every day experiencing some rainfall. This sets September apart from the drier months, creating a lush and vibrant landscape, perfect for enjoying the island's natural beauty. Whether you're navigating through frequent showers or soaking in the warmth, the unique charm of Dumaguete's September weather adds a captivating layer to your visit. For more details, check out Dumaguete Climate.