Last updated: August 27, 2025
Experience the tropical charm of Guiuan, Philippines, in September, where the average temperature hovers around a warm 28°C (82°F). With maximum temperatures reaching up to 30°C (87°F) and a pleasant minimum of 25°C (78°F), visitors can enjoy a comfortable climate. However, anticipate a significant amount of precipitation, totaling 194 mm (7.6 in) over approximately 22 rainy days, contributing to the region's lush landscapes. High humidity levels of 83% further enhance the island's tropical atmosphere, making it a perfect time for adventurers and nature lovers to explore the beauty of Guiuan amidst its vibrant weather conditions.
September in Guiuan, Philippines, continues the warm embrace of the region's tropical climate. With a minimum temperature of 25°C (78°F) and a comfortable average of 28°C (82°F), the days remain inviting for both locals and visitors alike. The maximum temperature peaks at 30°C (87°F), mirroring the warmth felt in the preceding months of July and August, illustrating a seamless transition into the latter part of the year. As the average temperature holds steady around 28°C, it's clear that the persistent warmth characterizes this coastal paradise, making September a delightful time for beachgoers and adventurers drawn to its stunning natural beauty.
September in Guiuan, Philippines marks a vibrant transition in the region's precipitation pattern, with 194 mm (7.6 in) of rain falling over 22 days. This month sees a steady increase compared to the previous month, continuing the trend of rising rainfall that begins in June and peaks dramatically by December. As the dry spell of summer wanes, September thus ties closely with August's more moderate totals, hinting at the approach of the wet season's height. This gradual buildup not only nourishes the verdant landscapes but also sets the stage for the subsequent months, where precipitation increases significantly, reaching its zenith in December with a staggering 523 mm (20.6 in). Such patterns reflect Guiuan's tropical climate, characterized by considerable seasonal variation in rainfall.
In Guiuan, Philippines, September experiences a noticeable shift in humidity, with levels averaging around 83%. This marks a slight increase from the more moderate humidity during the mid-year months of June, July, and August, which hover around 79-80%. As the year progresses from June to September, the humidity typically rises, peaking during the transition into the wet season. Notably, this September humidity is a touch lower than that of the early months, where it consistently reaches 85-87% in January through April. Overall, September serves as a bridge between the drier summer months and the more humid conditions experienced later in the year, setting the stage for the impending wet season while maintaining a relatively comfortable atmosphere.
September in Guiuan, Philippines, maintains a consistent UV Index of 14, placing it firmly within the extreme exposure category. This level has been prevalent since June, showcasing a trend of high UV radiation that begins in the early months of the year and persists through the rainy season. With a swift burn time of just 10 minutes, residents and visitors alike must remain vigilant in protecting their skin from the sun’s harmful rays. As the year progresses into October, this intense UV exposure continues, reminding us that sun safety is crucial year-round in this beautiful region. For more detailed information, visit Guiuan UV Index.
UV Risk Categories
As the summer's embrace lingers into September in Guiuan, Philippines, the sun continues to shine brilliantly, offering 280 hours of glorious daylight. This figure reflects a slight dip from the vibrant 326 hours seen in May, but still maintains a robust presence that gradually declines toward the year’s end. Notably, September's sunshine hours follow a pattern of gradual decrease observed from the peak of early summer, yet the warmth of daylight still invites outdoor adventures and beachside relaxation. With the transition into October, we can expect 274 hours of sunlight, signaling a gentle shift as the rainy season approaches, but September remains a cherished time to soak in the sun before the cooler months set in.
In September, Guiuan, Philippines experiences a modest 15% chance of sunny weather, a trend that aligns closely with the gloomy months of July and August. This time of year signals the tail end of the rainy season, where the likelihood of sunshine dips after the warmer months of April and May, which boast the highest probabilities of clear skies. As the rains begin to taper off in October, the chance for sunlight further decreases, suggesting that while September may bring occasional breaks in the overcast, those seeking consistent sunny days might want to plan their visits for earlier in the year when the sun is more generous.
In Guiuan, Philippines, the September daylight duration mirrors the steady trend observed from March through August, offering 12 hours of sunlight each day. This consistent stretch of daylight not only enhances the vibrant natural beauty of the region but also presents an ideal time for outdoor activities and exploration. As the month transitions into October, daylight begins to taper off slightly, returning to 11 hours, echoing the shorter days characteristic of the earlier months of the year. Overall, the seasonal rhythm in Guiuan showcases a harmonious balance of light, inviting both locals and visitors to fully embrace the sun-kissed days of late summer.
In September, Guiuan, Philippines experiences a gentle breeze with an average wind speed of 3.7 m/s (8 mph), reflecting a continuation of the calmer conditions seen in the preceding months of June and August. This marks a notable decrease from the bustling winds of earlier months—January starts the year with an average of 6.8 m/s (15 mph), while winds reach their peak in December at 8.3 m/s (19 mph). The trend clearly illustrates a shift towards a more tranquil atmosphere as the region transitions into the latter half of the year. As the dry season approaches, residents and visitors alike enjoy the softer breezes, which perfectly complement the picturesque landscape of Guiuan.
Weather in Guiuan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Guiuan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by slightly higher temperatures, with an average of 28°C (82°F) and maximum highs reaching 30°C (87°F). Although the month is warm, it also experiences significant rainfall, totaling 194 mm (7.6 in) over 22 days and an average humidity of 83%. In contrast, January presents a slightly cooler atmosphere, with average temperatures around 26°C (80°F) and maximums peaking at 28°C (83°F). However, it also brings heavier precipitation, accumulating 370 mm (14.6 in) over 24 days, along with a marginally higher humidity level of 86%. For a more detailed look at January weather, check out Guiuan weather in January.
September and February exhibit warm temperatures, but September is slightly warmer on average, with a maximum of 30°C compared to February's 28°C. However, February receives more rainfall, totaling 242 mm over 22 days, which is higher than September's 194 mm despite both months sharing the same number of rainy days. The humidity levels are also similar, with September at 83% and February slightly higher at 85%. For more details on the February weather, you can check Guiuan weather in February.
In September, the weather in Guiuan features slightly higher temperatures, with an average of 28°C (82°F) compared to March's average of 27°C (80°F). Both months experience warm minimum temperatures of 25°C (78°F), but September peaks at a max of 30°C (87°F), just above March’s 29°C (84°F). In terms of precipitation, September sees a greater accumulation at 194 mm (7.6 in) over 22 days, while March has 175 mm (6.9 in) across 23 days. Humidity levels are also higher in March at 87%, compared to September's 83%. For a closer look at the specific weather conditions in March, check out Guiuan weather in March.
In comparing the weather between September and April, both months showcase warm temperatures, with September exhibiting slightly higher averages. In September, the temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (87°F), while April sees a range from 25°C (77°F) to 29°C (84°F). September experiences more precipitation, with 194 mm (7.6 in) across 22 days, compared to April's 139 mm (5.5 in) over 21 days. Humidity is marginally higher in April at 87%, versus 83% in September, contributing to a more humid feel during the earlier month. For a more detailed look at the weather patterns, you can check Guiuan weather in April.
In both September and May, the weather is characterized by warm temperatures, with minimums around 25°C (78°F) and averages slightly differing—28°C (82°F) in both months, but with September peaking at 30°C (87°F) while May reaches a maximum of 29°C (85°F). Precipitation levels are comparable, with September receiving 194 mm (7.6 in) of rain over 22 days, while May sees slightly less at 192 mm (7.5 in) over 27 days. Humidity levels are similar, hovering around 83% for September and slightly lower at 82% for May, making both months feel quite humid. For a closer look at May's weather specifics, you can visit Guiuan weather in May.
In comparing the weather conditions of September and June, both months exhibit similar temperature ranges, with minimums around 25°C (78°F), averages at 28°C (82°F), and maximums only slightly varying between 30°C (86°F in June) and 30°C (87°F in September). However, September tends to be wetter, experiencing around 194 mm (7.6 in) of precipitation over approximately 22 days, compared to June's 253 mm (10.0 in) over 26 days. Additionally, humidity levels are slightly higher in September at 83%, while June's humidity hovers around 79%. For more detailed information on June weather patterns, you can check Guiuan weather in June.
When comparing the weather between September and July, we observe some notable similarities and differences. Both months have the same temperature range, with minimums at 25°C (78°F), averages at 28°C (82°F), and maximums at 30°C (87°F). However, July experiences higher precipitation, with 255 mm (10.0 in) over 25 days, compared to September's 194 mm (7.6 in) over 22 days. This results in slightly higher humidity in September at 83%, compared to July's 80%. For a more detailed look at July weather specifics, you can visit Guiuan weather in July.
In comparing the weather between August and September, we see that both months have similar temperature ranges, with September displaying a consistently warm climate with a minimum of 25°C (78°F), an average of 28°C (82°F), and a maximum of 30°C (87°F), mirroring August's stats. However, September experiences slightly higher precipitation, with 194 mm (7.6 in) over 22 days, compared to August's 177 mm (7.0 in) over the same number of days. Additionally, the humidity level in September is higher at 83%, compared to August's 80%. For a closer look at August's weather specifics, you can visit Guiuan weather in August.
In September, temperatures in Guiuan typically range from a minimum of 25°C (78°F) to a maximum of 30°C (87°F), with an average of 28°C (82°F). The month is characterized by high humidity at 83% and significant rainfall, totaling 194 mm (7.6 in) over 22 days.
In contrast, October sees slightly lower average temperatures of 27°C (82°F), while still maintaining a minimum of 25°C (78°F) and a maximum of 30°C (86°F). However, it experiences considerably higher precipitation, accumulating 323 mm (12.7 in) over 27 days, and the humidity drops slightly to 79%. For a detailed overview of what to expect, you can check Guiuan weather in October.
September and November exhibit similar temperature ranges, with September seeing an average of 28°C (82°F) compared to November's 27°C (81°F). Both months experience high humidity levels, hovering around 83% in September and slightly lower at 82% in November. However, November is characterized by significantly increased rainfall, with 349 mm (13.8 in) of precipitation over 28 days, compared to September's 194 mm (7.6 in) over 22 days. This makes November a wetter month overall. For detailed weather information, you can check Guiuan weather in November.
In September, the weather typically sees temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (87°F), with an average of 28°C (82°F). This month experiences considerable rainfall, with 194 mm (7.6 in) spread over 22 days, and humidity levels are relatively high at 83%.
In contrast, December features a slight dip in temperatures with a minimum of 24°C (76°F) and a maximum of 29°C (84°F), averaging around 27°C (81°F). However, it is much wetter, receiving a total of 523 mm (20.6 in) of precipitation over 29 days, and humidity rises to 86%. For a detailed look at the weather in Guiuan during this month, check out Guiuan weather in December.
As September rolls into Guiuan, it brings a refreshing shift in weather compared to the drier summer months. With an average temperature hovering around a comfortable 28°C, the climate remains significantly humid at 83%, creating an atmosphere that feels both warm and tropical. However, it’s also a month marked by frequent rain, contributing to the 194 mm of precipitation over approximately 22 days. This increased rainfall not only enriches the lush surroundings but also makes September distinctively wetter than the preceding months. For more insights on the year-round climate patterns, visit Guiuan Climate.