September Weather in Romblon, Philippines

Last updated: August 27, 2025

September in Romblon, Philippines is characterized by warm temperatures and significant rainfall. With a maximum reaching 32°C (90°F) and an average of 28°C (82°F), the weather is typically humid, averaging around 85%. This month experiences a substantial precipitation total of 292 mm (11.5 in) over 25 days, making it one of the wetter periods of the year. Travelers and locals alike should prepare for frequent showers while enjoying the tropical warmth and vibrant landscapes that Romblon has to offer.

September Temperature in Romblon

In September, temperatures in Romblon, Philippines begin to peak, reflecting the transition towards the hotter months. With a minimum temperature of 25°C (77°F) and a maximum reaching 32°C (90°F), this month showcases an average warmth of 28°C (82°F), maintaining the trend of mild nights and balmy days characteristic of the region. As summer approaches, the warmth intensifies slightly from August, ultimately inviting visitors to revel in the tropical allure of the islands. This gradual rise in temperatures is part of a consistent pattern observed from the start of the year, ensuring that Romblon remains a sunny haven for those seeking warmth and adventure throughout the season.

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

The chart illustrates September temperature patterns in Romblon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Romblon, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797980828382818282818180
Data source: Temperature data for Romblon 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 Romblon

September in Romblon, Philippines, continues the trend of heavy rainfall typically seen during the latter half of the year. With 292 mm (11.5 inches) of precipitation spread over 25 days, the month stands out as a time when the tropical climate asserts its presence, filling rivers and nourishing the landscape. This marks a slight increase from August's rainfall, echoing the pattern established in the preceding months, where precipitation began ramping up from a lower annual baseline in earlier months. As the region transitions into October, expectations grow for even more significant downpours, as the rainy season reaches its peak. This rhythm of fluctuating rainfall patterns not only shapes the environment but also influences local agricultural practices, making September a pivotal month in Romblon's climatic calendar.

September Precipitation Trends in Romblon

The chart displays monthly precipitation patterns in Romblon, 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 Romblon, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec197827355155289351259292369271333
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Romblon

September marks a continuation of the heightened humidity levels in Romblon, Philippines, with a significant 85% humidity that reflects a pattern established throughout the summer months. This month aligns with the peak humidity observed in August, suggesting that the region experiences its most humid conditions during these late summer weeks. Following a gradual rise from 78% in January, the humidity steadily escalates, reaching its highest during the latter half of the year. Notably, as the calendar transitions from September to October, the humidity slightly decreases to 82%, hinting at a gradual shift towards drier conditions as the year progresses. Overall, September encapsulates the tropical essence of Romblon, enveloping the island in a warm, moisture-laden atmosphere.

September Average Humidity in Romblon

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

In September, Romblon, Philippines, continues to experience extreme UV radiation, with a UV Index of 15 and a burn time of just 10 minutes. This trend mirrors the peaks observed earlier in the summer, particularly in March and April when the index reached highs of 15 and 16, respectively. The consistency in these extreme levels highlights the need for caution when spending time outdoors. As the year progresses into the final months, the UV Index gradually declines, yet September still demands vigilance against sun exposure. For more details, visit Romblon UV Index.

Maximum UV Index Levels in Romblon for September

The chart shows the monthly maximum UV Index (UVI) for Romblon 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 Romblon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315161414141515141111
Data source: Romblon 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 Romblon

As summer begins to wane, September brings a delightful balance of sunshine to Romblon, Philippines, with 271 hours of dazzling daylight—a slight dip from the peak of May's 328 hours. This transition marks a gradual shift as the region moves from the heated heights of the previous months to the more temperate conditions of autumn. Despite the decrease, September's sunshine still outshines the early months of the year, showing that Romblon maintains a vibrant atmosphere as it welcomes the impending change. With consistently plentiful sunshine throughout the year, Romblon continues to be a captivating destination for sun-seekers, even as the days begin to shorten.

Monthly Sunshine Duration in Romblon: September Highlighted

The September sunshine duration represents the total number of hours Romblon 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.
JanFebMarAprMayJunJulAugSepOctNovDec226h269h312h314h328h297h282h285h271h276h272h274h
Data source: Romblon September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Romblon During September

In September, the prospect of enjoying sunny weather in Romblon, Philippines dips to a modest 11%, reflecting the tail-end of the rainy season. This trend marks a notable decline compared to the sunnier months of March and April, where the chances soar to 44% and 42% respectively. As the summer sun fades, September's cloudy days and potential rain make it one of the cloudier months on the calendar, following the already dim rainy periods of July and August. Visitors should prepare for a mix of sunshine and overcast skies, while keeping an eye on the weather, as the tropical climate can still surprise with brief sunny breaks amidst the lingering rain.

Percentage of Sunny Days in September in Romblon

The chart illustrates the percentage of sunny days in Romblon 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 Romblon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%23%44%42%33%21%8%13%11%9%24%23%
Data source: Romblon September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Romblon in September

In September, the charming island of Romblon, Philippines enjoys a consistent 12 hours of daylight, mirroring the trend established in the preceding months from March through August. This period of extended daylight provides ample opportunity for outdoor adventures and exploration, as the sun illuminates the beautiful landscapes and vibrant culture. Notably, the daylight duration begins to decline in October, dipping back to 11 hours, signaling the shift towards the cooler months. As the year progresses, the daylight lasts longer in the first half, fostering an atmosphere of warmth and energy that is characteristic of Romblon's tropical climate.

Average Daylight Hours in Romblon for September

The chart illustrates the variation in daylight duration in Romblon throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 27m11h 43m12h 3m12h 23m12h 41m12h 50m12h 45m12h 30m12h 10m11h 49m11h 32m11h 23m
Data source: Romblon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Romblon

September in Romblon, Philippines, brings a gentle caress of wind, averaging 3.8 m/s (9 mph), which is a continuation of a notably calm trend that begins in the summer months. While the wind speed shows a noticeable dip from the breezier July, where gusts reached 6.5 m/s (14 mph), it aligns with the transitional shift toward the serene fall weather ahead. As the lush landscape sways softly under the September breeze, this tranquil atmosphere is a reminder of the region’s gradual shift into the milder months, setting the stage for the slightly brisker winds of October and November. The overall pattern indicates a seasonal ebb, perfect for enjoying the natural beauty of Romblon in a peaceful setting.

Average September Wind Speed in Romblon

The chart displays monthly wind speed patterns in Romblon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.85.54.84.64.03.86.54.03.8 m/s4.64.76.9
Data source: Romblon September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Romblon Compares to Other Months

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

In comparing the weather between September and January, September tends to be warmer and more humid. With average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), it also experiences significantly more rainfall, totaling 292 mm (11.5 in) over 25 days. In contrast, January sees slightly cooler temperatures, with averages spanning from 23°C (74°F) to 29°C (85°F), and less precipitation at 197 mm (7.7 in) over 20 days. Additionally, January has lower humidity levels at 78%, making it a more comfortable month overall. For a closer look at January weather specifics, you can visit Romblon weather in January.

September and February showcase noticeable differences in weather patterns. September temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average of 28°C (82°F). The month is characterized by substantial rainfall, totaling 292 mm (11.5 in) over 25 days, and high humidity at 85%. In contrast, February presents slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 26°C (79°F), and a maximum of 29°C (84°F). Precipitation in February is significantly lower at 82 mm (3.2 in) over 16 days, accompanied by reduced humidity at 75%. These variations highlight September’s more torrential and humid climate compared to the milder, drier conditions of February. For more detailed insights, check out Romblon weather in February.

In comparing the weather of September and March, September tends to be warmer and much more humid, with average temperatures around 28°C (82°F) and humidity levels reaching 85%. This month also sees significant rainfall, averaging 292 mm (11.5 in) over 25 days. In contrast, March experiences slightly cooler temperatures with an average of 27°C (81°F) and a lower humidity level of 74%. Rainfall in March is considerably less, totaling 73 mm (2.9 in) over 16 days. For a more detailed look at March weather, you can visit Romblon weather in March.

When comparing the weather in September and April, both months exhibit warm temperatures, with average highs of around 28°C (82°F). September tends to be slightly warmer, featuring maximum temperatures reaching up to 32°C (90°F), while April's maximum is a bit lower at 31°C (89°F). However, September is significantly wetter, receiving a hefty 292 mm (11.5 in) of rain over 25 days, compared to April's modest 55 mm (2.2 in) of precipitation over just 16 days. Additionally, the humidity is higher in September at 85%, compared to April's 76%. Overall, September is characterized by its warmer and more humid conditions, alongside frequent rainfall, whereas April offers a drier and somewhat less humid experience. For more details, check out Romblon weather in April.

In comparing the weather of September and May, both months experience similar temperature ranges, with minimums around 25°C (77°F), averages close to 28°C (82-84°F), and maximums peaking at 32°C (90°F). However, September is significantly wetter, receiving 292 mm (11.5 in) of precipitation over 25 days, contrasting with May's 155 mm (6.1 in) over 26 days. Additionally, September's humidity is markedly higher at 85%, compared to May's more comfortable 76%. For those interested in a more detailed look at May's weather patterns, you can explore Romblon 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 averages hovering between 28°C (82°F) and 28°C (83°F). However, September tends to be slightly warmer at the maximum temperature, reaching 32°C (90°F) compared to June's peak of 31°C (89°F). Precipitation levels are quite comparable, with September receiving 292 mm (11.5 in) over 25 days, while June has 289 mm (11.4 in) distributed over 27 days—indicating that both months are characterized by significant rainfall. Additionally, September has a higher humidity level at 85%, compared to June's 81%, creating a more muggy atmosphere. For a detailed look at June weather, you can check this link: Romblon weather in June.

In comparing the weather of September and July, both months maintain similar temperature ranges, with September showing a slight increase in average maximum temperature at 32°C (90°F) compared to July's maximum of 31°C (88°F). However, July experiences more precipitation, with 351 mm (13.8 in) over 29 days, compared to September's 292 mm (11.5 in) across 25 days. Additionally, humidity levels are closely matched, with September at 85% and July at 84%. For a more in-depth look at July's weather specifics, you can explore Romblon weather in July.

September's weather in Romblon shows slightly higher temperatures compared to August, with a minimum of 25°C (77°F) and a maximum of 32°C (90°F), while August's range is from 24°C (76°F) to 31°C (89°F). Both months have an average temperature of 28°C (82°F), indicating consistent warmth. However, September experiences increased precipitation, with 292 mm (11.5 in) falling over 25 days, compared to August's 259 mm (10.2 in) over the same number of days. Despite this rise in rainfall, humidity levels remain steady at 85% for both months. For a more detailed look at August's weather, visit Romblon weather in August.

In comparing the weather of September and October, September tends to be slightly warmer, with average temperatures peaking at 28°C (82°F) and maximums reaching 32°C (90°F). The month experiences substantial rainfall, totaling 292 mm (11.5 in) over 25 days, coupled with high humidity levels at 85%. In contrast, October shows a slight decrease in temperature with an average of 27°C (81°F) and maximums of 30°C (87°F). However, October experiences even more precipitation, totaling 369 mm (14.5 in) over 28 days, while humidity levels remain relatively similar at 82%. For more detailed information, check out Romblon weather in October.

In September, the weather can be quite warm, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), while November sees slightly cooler conditions, with highs reaching only 30°C (86°F). Both months experience high humidity at 85%, but September is notably wetter, receiving 292 mm (11.5 in) of precipitation over 25 days compared to November’s 271 mm (10.7 in) across 27 days. Overall, the transition from September to November brings a slight decrease in temperature and precipitation, but humidity remains consistently high. For more detailed information, you can check Romblon weather in November.

In September, the weather features warm temperatures with a minimum of 25°C (77°F) and an average of 28°C (82°F), reaching a maximum of 32°C (90°F). The month is quite rainy, accumulating 292 mm (11.5 in) of precipitation over 25 days, with humidity levels at 85%. In contrast, December sees a slight dip in temperatures, with a minimum of 24°C (75°F) and an average of 27°C (80°F), peaking at 29°C (85°F). While December experiences slightly higher rainfall at 333 mm (13.1 in) across 28 days, humidity remains similar at 86%. For more detailed insights, check out Romblon weather in December.

Compare Romblon's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Romblon

As September rolls in, Romblon experiences a notable shift in weather patterns compared to the drier months that precede it. With higher average temperatures blending with increased humidity, the island becomes a warm, tropical haven. However, it's the substantial rainfall—with frequent showers nearly every day—that truly sets September apart, creating a lush landscape and a vibrant atmosphere. This month, often characterized by its overcast skies and refreshing downpours, offers a unique charm that contrasts sharply with the more sun-drenched days of summer. For a deeper understanding of Romblon's climate nuances throughout the year, explore the full details at Romblon Climate.