September Weather in Calatagan, Philippines

Last updated: August 27, 2025

September in Calatagan, Philippines offers a warm tropical climate, with temperatures reaching a maximum of 30°C (87°F) and averaging around 27°C (81°F). Expect frequent rain, as the month experiences 345 mm (13.6 in) of precipitation over 24 days, contributing to a high humidity level of 85%. This weather creates a lush environment, perfect for those seeking a vibrant natural experience, though visitors should be prepared for the frequent showers characteristic of this season.

September Temperature in Calatagan

In September, the temperatures in Calatagan, Philippines reflect a tropical climate that remains consistently warm, with a minimum of 25°C (77°F) and a comfortable average of 27°C (81°F). The maximum temperature reaches about 30°C (87°F), allowing for balmy days that are perfect for beach outings and outdoor activities. This month maintains a similar warmth to August, indicating a gradual transition towards the end of the rainy season. As the year progresses, September's average temperatures remain stable, highlighting the region's tropical charm and making it an inviting destination for travelers seeking sun-soaked adventures.

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

The chart illustrates September temperature patterns in Calatagan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calatagan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797980828382818181818180
Data source: Temperature data for Calatagan 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 Calatagan

September in Calatagan, Philippines, marks a significant shift in the rainfall pattern, with precipitation soaring to 345 mm (13.6 in) over 24 days. This surge follows the already high levels of August, emphasizing the region's transition into its wetter months. A striking characteristic of September is its consistency with heavy rains, similar to July's peak, yet slightly lesser, mirroring the region’s tendency for abundant rainfall during the latter half of the year. As the month progresses, this wet spell often paves the way for vibrant landscapes, though it also serves as a reminder of the seasonal challenges faced by residents. Overall, September's precipitation continues to set the stage for the upcoming months, highlighting Calatagan's dynamic climate.

September Precipitation Trends in Calatagan

The chart displays monthly precipitation patterns in Calatagan, 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 Calatagan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4728281382253438292345216147188
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Calatagan

In Calatagan, Philippines, September marks a notable peak in humidity, reaching 85%—a figure consistent with the tropical climate characteristic of the region. As the year progresses, humidity levels tend to escalate, starting from a more comfortable 78% in January to a peak in September and October. While the warmer months of June and July experience a gradual rise, with humidity rising to 81% and 84% respectively, the trend continues into August and September, creating a muggy atmosphere. Following this high, the humidity slightly dips to 82% in October, before settling at 85% in November and gradually increasing again towards December, which tops off the year at 86%. This cyclical pattern underscores the enduring warmth and moisture of Calatagan’s climate throughout the year, painting a vivid picture of its tropical allure.

September Average Humidity in Calatagan

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

In September, Calatagan, Philippines, continues to experience extreme UV exposure, with a UV Index of 14 that allows for a burn time of just 10 minutes. This trend of high UV levels spans most of the year, starting from January through August, where similar extreme indices are recorded. Notably, March and April peak at 15, making them the most intense months. While October and November see a slight dip, with indices of 13 and 11 respectively, the consistent emphasis on caution underscores the importance of sun protection measures throughout the year. For more details on UV levels, check Calatagan UV Index.

Maximum UV Index Levels in Calatagan for September

The chart shows the monthly maximum UV Index (UVI) for Calatagan 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 Calatagan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414141514131110
Data source: Calatagan 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 Calatagan

As the rhythm of the year unfolds in Calatagan, September reveals itself as a month steeped in sunshine, providing residents and visitors with an inviting 252 hours of bright daylight. This slight dip in sunlight, compared to the vibrant peaks of May and June, continues the trend of gradually diminishing hours as the year transitions towards the cooler months. Despite the shorter days, September still bathes Calatagan in a warm glow perfect for outdoor adventures, beach escapades, and soaking in the breathtaking coastal views. As the sun prepares to shy away a little more in the coming months, this beautiful month stands out as a gentle reminder of summer's lingering charm.

Monthly Sunshine Duration in Calatagan: September Highlighted

The September sunshine duration represents the total number of hours Calatagan 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.
JanFebMarAprMayJunJulAugSepOctNovDec238h277h316h314h325h294h264h262h252h270h276h283h
Data source: Calatagan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Calatagan During September

In Calatagan, Philippines, the likelihood of sunny weather experiences a significant dip in September, with only a 15% chance of clear skies. This marks a notable transition from the sunnier months of March through May, where the probability of sun peaks at around 51%. As the region moves through the rainy season, July and August display particularly low sunshine percentages of 9% and 13%, respectively. September's figures continue this trend, suggesting that visitors may encounter more cloud cover and occasional rainfall, making it less favorable for sun-seekers. However, the return to sunnier days in October, which sees a 19% chance of sun, offers a glimmer of hope for those looking to enjoy the coastal beauty of Calatagan.

Percentage of Sunny Days in September in Calatagan

The chart illustrates the percentage of sunny days in Calatagan 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 Calatagan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%37%52%51%48%21%9%13%15%19%35%31%
Data source: Calatagan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Calatagan in September

In September, Calatagan, Philippines enjoys a delightful 12 hours of daylight, continuing a trend of extended daylight that began in March. The region experiences a consistent 12-hour light span from March through September, creating a perfect backdrop for outdoor activities and beach escapades. As summer fades, the daylight gradually shortens, slipping back to 11 hours in October, but September stands out as a golden month, blending warm sunlight with the lush vibrancy of the transitioning seasons. This consistency makes September an ideal time to soak up the sun and relish nature's beauty in Calatagan.

Average Daylight Hours in Calatagan for September

The chart illustrates the variation in daylight duration in Calatagan 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 25m12h 45m12h 54m12h 50m12h 33m12h 11m11h 48m11h 28m11h 18m
Data source: Calatagan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Calatagan

As September unfolds in Calatagan, Philippines, the gentle breeze drifts in with an average wind speed of 3.5 m/s (8 mph), marking a noticeable dip from the livelier currents of earlier months. This trend of decreasing wind speeds is evident from the bustling heights of April and May, where winds average around 4.5 to 4.8 m/s (10 to 11 mph). Although September brings a quieter atmosphere, it’s a precursor to the gradual resurgence of stronger winds in October, hinting at the rhythmic shifts of the seasons. This pattern not only enhances the serene coastal experience but also invites visitors to embrace the calming essence of the gentle September winds.

Average September Wind Speed in Calatagan

The chart displays monthly wind speed patterns in Calatagan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.65.65.54.84.53.35.63.73.5 m/s4.75.26.6
Data source: Calatagan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Calatagan Compares to Other Months

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

In September, the weather is notably warmer and much wetter, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F) and a high average of 27°C (81°F). The month experiences substantial rainfall, totaling 345 mm (13.6 in) over 24 days, along with humidity levels reaching 85%. In contrast, January presents milder conditions, with temperatures ranging from 23°C (74°F) to 28°C (84°F) and an average of 26°C (79°F). The precipitation in January is significantly lower, with only 47 mm (1.9 in) spread across just 8 days, and humidity drops to 78%. For a more detailed overview of January weather patterns, you can visit Calatagan weather in January.

In comparing the weather of September and February, September typically offers warmer temperatures with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at a maximum of 30°C (87°F). However, this month is also characterized by significant rainfall, accumulating 345 mm (13.6 in) over 24 days, accompanied by high humidity levels at 85%. In contrast, February experiences slightly cooler temperatures, with a minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 29°C (85°F). February is notably drier, receiving only 28 mm (1.1 in) of precipitation over just 3 days, and lower humidity at 75%. For more details, you can check Calatagan weather in February.

In comparing September and March weather, both months feature similar temperature ranges, with September exhibiting a minimum of 25°C (77°F) and a maximum of 30°C (87°F), while March has slightly lower minimums at 24°C (76°F) but the same maximum. However, the contrast becomes striking with precipitation levels; September experiences significantly heavier rainfall at 345 mm (13.6 in) over 24 days, whereas March has only 28 mm (1.1 in) over just 3 days, making it a much drier month. Additionally, humidity levels are higher in September at 85%, compared to 74% in March, contributing to a more humid feel in the former. For more detailed information, check out Calatagan weather in March.

In comparing the weather of September and April, notable differences emerge. September typically experiences slightly lower average temperatures, ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F), while April is a bit warmer with temperatures varying from 25°C (77°F) to a maximum of 31°C (88°F). However, September is characterized by significantly higher precipitation, with around 345 mm (13.6 in) falling over 24 days, compared to a mere 13 mm (0.5 in) over just 3 days in April. Humidity levels are also higher in September at 85%, in contrast to April’s lower humidity of 76%. For more detailed information about April weather, you can visit Calatagan weather in April.

In comparing the weather of September and May, September typically experiences slightly cooler temperatures with a minimum of 25°C (77°F) and an average of 27°C (81°F), while May showcases warmer conditions, with a minimum of 26°C (79°F) and an average of 28°C (83°F). However, September is marked by significantly higher precipitation, totaling 345 mm (13.6 in) over 24 days, in stark contrast to May's 81 mm (3.2 in) spread over just 12 days. Additionally, September's humidity is notably higher at 85%, compared to May's 76%, making the latter feel less muggy and more comfortable overall. For those interested in the specifics of May weather, you can find more information here: Calatagan weather in May.

In comparing the weather between September and June, both months exhibit warm temperatures, with September experiencing a minimum of 25°C (77°F) and an average of 27°C (81°F), while June has a slightly higher average temperature of 28°C (83°F) and a maximum of 31°C (89°F). Despite the similar minimum temperatures, September brings significantly more rainfall, with 345 mm (13.6 in) of precipitation over 24 days compared to June's 253 mm (10.0 in) across the same number of days. Additionally, the humidity is higher in September at 85%, compared to 81% in June, contributing to a more humid environment. For more insights on June weather, you can visit Calatagan weather in June.

In comparing the weather of September and July, both months showcase similar temperature ranges, with July having a slightly higher maximum temperature of 31°C (88°F) compared to September's 30°C (87°F). Humidity levels are also quite close, with September averaging 85% and July at 84%. However, July experiences significantly more rainfall, with 438 mm (17.3 in) across 29 days, while September sees a decrease to 345 mm (13.6 in) over 24 days. This drop in precipitation highlights a shift towards drier conditions as the year progresses. For more detailed insights, you can check Calatagan weather in July.

In comparing the weather of September and August, we find that both months experience similar temperature ranges, with minimums around 25°C, averages of 27°C, and maximums just under 30°C. However, September is notably wetter, receiving 345 mm of precipitation over 24 days, whereas August sees less rain at 292 mm across 26 days. The humidity remains consistent at 85% for both months, contributing to the tropical feel. For more detailed information, you can refer to Calatagan weather in August.

In comparing the weather of September and October, both months experience similar temperature ranges, with minimums around 25°C (77°F), averages of 27°C (81°F), and maximums peaking at 30°C (87°F) in September and slightly lower at 30°C (86°F) in October. However, October sees a notable decrease in precipitation, with 216 mm (8.5 in) of rainfall over 22 days, compared to September's much wetter conditions with 345 mm (13.6 in) across 24 days. Additionally, humidity levels drop slightly from 85% in September to 82% in October, making October's weather feel a bit more comfortable. For more details about October weather in this region, check out Calatagan weather in October.

In comparing the weather between September and November, it’s clear that both months maintain a warm climate, with average temperatures hovering around 27°C (81°F). However, September tends to be wetter, receiving a significant 345 mm (13.6 in) of rainfall over 24 days, contrasted with November’s 147 mm (5.8 in) across just 16 days. Both months experience high humidity levels at 85%, but the reduction in precipitation in November makes it a drier time of year. For more detailed insights, you can check Calatagan weather in November.

In September, the weather in Calatagan features warm temperatures with a minimum of 25°C (77°F) and an average of 27°C (81°F), reaching a maximum of 30°C (87°F). This month is characterized by high humidity levels of 85% and significant rainfall, totaling 345 mm (13.6 in) over 24 days. In contrast, December offers slightly cooler temperatures with a minimum of 24°C (75°F), maintaining an average of 27°C (80°F) and a maximum of 29°C (85°F). Precipitation in December is lower, with only 188 mm (7.4 in) measured over 15 days, while humidity remains similar at 86%. For more detailed insights into December weather, you can visit Calatagan weather in December.

Compare Calatagan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Calatagan

As September rolls in, Calatagan experiences a notable shift in its weather pattern. The average temperatures remain warm, but the month is characterized by a significant increase in humidity and precipitation, making it one of the wetter months of the year. With rainfall nearly every day, visitors should be prepared for spontaneous showers that enhance the lush landscape. This contrasts sharply with the drier months, where sunshine reigns supreme and outdoor activities thrive. If you're keen to understand how September's conditions influence your travel plans, check out Calatagan Climate for more insights.