Last updated: August 27, 2025
Experience the enchanting September weather in Siquijor, Philippines, where the tropical climate invites you to explore its natural beauty. With maximum temperatures reaching a balmy 30°C (86°F) and an average of 27°C (81°F), days are comfortably warm. The evenings cool down to a pleasant 25°C (77°F), perfect for relaxation. However, be prepared for frequent rains, as the island receives an impressive 190 mm (7.5 in) of precipitation over about 23 days this month, contributing to the lush environment. Humidity hovers at a tropical 89%, enhancing the vibrant atmosphere of this stunning destination. Whether you're seeking adventure or a tranquil escape, September in Siquijor offers a perfect blend of warmth and refreshing rainfall.
In September, Siquijor, Philippines, maintains its tropical charm with temperatures that reflect the island's consistent warmth. The month features a minimum of 25°C (77°F), an average temperature of 27°C (81°F), and peaks at a comforting 30°C (86°F). This warmth continues the trend established in previous months, characterized by steady averages and high temperatures that hint at the approaching end of the wet season. The mild nights and bright days create an ideal atmosphere for exploring the island's enchanting beaches and lush landscapes, ensuring that September remains a delightful choice for travelers seeking both adventure and relaxation in Siquijor's tropical paradise.
September marks a significant transition in Siquijor's precipitation patterns, receiving 190 mm (7.5 in) of rainfall over 23 days. This uptick in moisture represents a continuation of the wet season, building on August's 143 mm (5.6 in) and foreshadowing even wetter months ahead. The trend showcases a gradual increase in rainfall as the year progresses, with October and November expected to deliver even higher totals, reaching 227 mm (9.0 in) and 247 mm (9.7 in), respectively. This month effectively highlights the region's shift toward its rainier season, making it a vital period for local agriculture and ecosystems which thrive on the nourishing downpours.
In September, Siquijor experiences a notable rise in humidity, peaking at 89%, which reflects a transition into the island's wetter months. This increase follows a gradual climb from August's 87%, marking a consistent trend of higher humidity levels as the year progresses. From an initial 88% in January, the humidity in Siquijor has shown a steady decline until it reaches its low point in April at 82%, before starting to rise again in the summer months. As the year moves towards its end, humidity levels remain high, often pushing towards the annual averages, with December hitting a striking 91%. Overall, the island's climate is characterized by a humid atmosphere throughout the year, becoming particularly pronounced as September arrives.
In September, Siquijor, Philippines, maintains its extreme exposure category with a UV Index of 15, mirroring the heightened levels of the previous month. This indicates that sun protection is crucial, as the burn time remains a swift 10 minutes without adequate defense. Throughout the year, Siquijor consistently experiences high UV levels, peaking in March and April at 16, before slightly tapering off during the later months. As September transitions into October, the UV Index decreases slightly to 14, yet it’s important for residents and visitors alike to remain vigilant. For more detailed information, visit Siquijor UV Index.
UV Risk Categories
As September rolls in on the enchanting island of Siquijor, the sun continues to shine brightly, granting visitors an impressive 280 hours of sunlight—a delightful reminder of the island's tropical charm. This month follows a trend of radiant summer months, with May boasting the highest sunshine at 313 hours. The steady 290 hours from June to July and the consistent low 270s in the following months hint at a gradual slide into the cooler season while still retaining a vibrant atmosphere. This abundance of sunlight, especially after the peak of summer, makes September a perfect time to explore the island's stunning beaches and lush landscapes, basking in the golden glow that Siquijor is renowned for.
September in Siquijor, Philippines, marks the tail end of the dry season, yet the likelihood of sunny weather dips to a modest 12%. This month typically showcases a gradual transition toward the wet season, as seen in the decreasing trend of sunshine from the brighter days of March (35%) and even the slightly cloudier days of April (23%). Following the summer peak, the chances of sun further decline through the latter months, dipping to just 9% in October. Travelers seeking those sun-kissed moments should be prepared for the increased likelihood of rain as the month progresses, highlighting the importance of flexibility in planning their outdoor adventures.
In Siquijor, Philippines, the rhythm of daylight unfolds in a captivating pattern throughout the year. As we transition into September, the island enjoys a generous 12 hours of daylight, continuing the trend established in the previous months from March to August. This period of extended sunlight fosters a vibrant atmosphere, perfect for exploring Siquijor's stunning beaches and lush landscapes. Notable is the gradual shift as October approaches, when daylight will recede to 11 hours, marking a return to shorter days as the year winds down. The consistent daylight duration in the summer months highlights the area's tropical charm, inviting both adventure and relaxation under the warm sun.
In September, Siquijor experiences a gentle shift in its wind patterns, with an average wind speed of 2.9 m/s (6 mph). This slight increase from the previous months of June and August, both at 2.4 m/s, hints at the arrival of breezy days as the rainy season approaches. Throughout the year, the wind speeds generally begin to rise after the lull of the summer months, peaking dramatically in December at 6.1 m/s (14 mph). September serves as a transition, bridging the calmness of mid-year and the invigorating gusts that come with the festive end of the year, making it a delightful time to enjoy the island's natural beauty.
Weather in Siquijor varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Siquijor, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at a maximum of 30°C (86°F). This month also sees considerable rainfall, with about 190 mm (7.5 in) of precipitation spread over 23 days and a high humidity level of 89%.
In contrast, January offers slightly cooler temperatures, ranging from a minimum of 24°C (76°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). The precipitation is slightly lower at 186 mm (7.3 in) over 21 days, and humidity remains similar at 88%. For more detailed insights, check out Siquijor weather in January.
In comparing the weather of September and February, we see that both months experience warm temperatures, with September featuring a minimum of 25°C (77°F) and an average of 27°C (81°F), while February has slightly lower averages, with a minimum of 24°C (76°F) and an average of 26°C (79°F). The maximum temperatures in September reach up to 30°C (86°F), compared to 28°C (82°F) in February. Additionally, September is characterized by significantly more rainfall, with 190 mm (7.5 in) of precipitation over 23 days, compared to February’s 137 mm (5.4 in) over just 16 days. Humidity levels are quite similar, with September at 89% and February at 86%. For more specific insights on weather conditions in February, you can refer to Siquijor weather in February.
In comparing the weather between September and March, September tends to be warmer and wetter, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F). This month experiences significant rainfall, with 190 mm (7.5 in) of precipitation spread over 23 days and higher humidity at 89%. In contrast, March offers slightly cooler temperatures, with an average range of 23°C (74°F) to 28°C (83°F). Additionally, March sees less precipitation at 98 mm (3.9 in) across 14 days, along with slightly lower humidity levels at 84%. For a detailed view of March weather in Siquijor, you can visit Siquijor weather in March.
In comparing the weather of September and April, both months exhibit warm temperatures, with minimums consistently around 25°C (77°F) and average highs slightly varying—30°C (86°F) in September versus 29°C (84°F) in April. However, September tends to be much wetter, receiving 190 mm (7.5 in) of rain over 23 days, compared to April's more manageable 72 mm (2.8 in) across 16 days. Additionally, humidity levels are slightly higher in September at 89%, while April maintains a lower humidity of 82%. For more detailed information about the weather in April, visit Siquijor weather in April.
September and May share similar temperature ranges, with both months experiencing minimums of 25°C (77°F), average highs around 27°C (82°F), and maximums reaching up to 30°C (86°F). However, September sees slightly more rainfall, with 190 mm (7.5 in) over 23 days compared to May's 184 mm (7.2 in) over 26 days. Moreover, September is characterized by higher humidity levels at 89%, while May's humidity stands at 83%. This makes September feel a bit more sultry despite the similar temperatures. For more details on the weather conditions during this time, visit Siquijor weather in May.
In both September and June, the weather is characterized by warm temperatures, with minimums around 25°C (77°F) and averages hovering near 27°C (81-82°F). However, September experiences a slightly higher maximum temperature of 30°C (86°F), compared to June's peak of 30°C (87°F). Precipitation is more pronounced in September, with 190 mm (7.5 in) over 23 days, while June sees a total of 158 mm (6.2 in) across 25 days. Humidity is also marginally higher in September at 89%, compared to June's 85%. Both months share a tropical climate, but September is generally wetter. For more details on June's conditions, you can check out Siquijor weather in June.
In September, the weather remains quite similar to July, with both months experiencing a minimum temperature of 25°C (77°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). However, September sees slightly more precipitation, with 190 mm (7.5 in) over 23 days compared to July's 183 mm (7.2 in) spread over 24 days. Additionally, humidity levels are marginally higher in September at 89%, while July has a humidity of 86%. This difference may contribute to a more humid feel in September despite similar temperatures. For more details, you can check out Siquijor weather in July.
In comparing the weather between August and September, we see that both months have similar temperature ranges, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). However, September is slightly wetter, experiencing 190 mm (7.5 in) of precipitation over 23 days, compared to August's 143 mm (5.6 in) over 22 days. Additionally, September tends to be a bit more humid, with levels reaching 89%, just above August's 87%. For a closer look at how the weather unfolds in August, you can check Siquijor weather in August.
In September, the weather 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 (86°F). However, this month also brings significant rainfall, with about 190 mm (7.5 in) spread over 23 days and high humidity at 89%.
In contrast, October maintains similar temperature ranges, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). Nevertheless, October experiences increased precipitation at 227 mm (9.0 in) over 28 days, along with slightly lower humidity at 85%. For a more detailed look at the conditions in October, you can check Siquijor weather in October.
In September, the weather tends to be quite warm, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F) and an average of 27°C (81°F). However, this month also sees significant rainfall, with 190 mm (7.5 in) of precipitation spread over 23 days and a high humidity level of 89%.
Conversely, November experiences slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 29°C (85°F), while maintaining the same average of 27°C (81°F). Nevertheless, this month has increased precipitation, totaling 247 mm (9.7 in) across 28 days, and slightly lower humidity at 87%. For more details on November weather specifics, check out Siquijor weather in November.
In September, the weather features warm temperatures with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at 30°C (86°F). There is significant rainfall during this month, with about 190 mm (7.5 in) spread across 23 days and humidity levels reaching 89%. In contrast, December sees slightly cooler temperatures, with a minimum of 24°C (75°F) and a maximum of 29°C (84°F), while maintaining a similar average of 27°C (80°F). Precipitation increases to 243 mm (9.5 in) over 26 days, accompanied by an uptick in humidity to 91%. For more detailed insights on December weather, visit Siquijor weather in December.
As September unfolds in Siquijor, weather conditions exhibit a distinctive shift compared to the preceding months. The average temperature remains comfortably warm, appealing for those seeking a tropical escape, yet the presence of increased precipitation transforms the landscape, enhancing the island's lush beauty. With rain gracing approximately three-quarters of the month, humidity levels soar, creating a refreshing, albeit muggy atmosphere. This combination of warmth and moisture sets September apart, inviting visitors to experience the enchanting transformations of Siquijor's natural scenery. For a deeper dive into the island's climate patterns, explore Siquijor Climate.