Last updated: August 27, 2025
In September, Bontoc, Philippines experiences a mild climate characterized by an average temperature of 20°C (69°F), with maximum highs reaching 27°C (81°F) and minimum lows of 14°C (57°F). The month is marked by significant rainfall, accumulating 338 mm (13.3 in) over approximately 26 days, resulting in high humidity levels of 87%. This combination of warmth and moisture creates a vibrant atmosphere, ideal for exploring the stunning natural surroundings of this mountainous region.
In September, Bontoc, Philippines, experiences a comfortable climate with temperatures that signal the transitioning season. The minimum temperature hovers around 14°C (57°F), ensuring that the nights remain cool and pleasant. As the days unfold, the average temperature reaches a mild 20°C (69°F), while the maximum peaks at 27°C (81°F), providing an inviting atmosphere for outdoor activities. This month typically showcases a slight decline from the warmer summer months, maintaining a balance between warmth and refreshing coolness. As the rainy season approaches, September offers a refreshing respite, making it an ideal time to explore the natural beauty and culture of this charming region.
In September, Bontoc experiences a notable precipitation level of 338 mm (13.3 inches) spread across 26 days, maintaining a consistent trend from the preceding months. This marks a slight decrease from the heavy rains of July and August, which recorded the year's highest totals at 464 mm (18.3 in) and 486 mm (19.1 in) respectively. However, September's rainfall still contributes significantly to the region's overall wet season, showcasing that even as the rainy peaks soften, Bontoc remains lush and vibrant. The gradual tapering off hints at the transition into the drier months ahead, with October also anticipated to bring substantial rainfall at 300 mm (11.8 in).
In September, Bontoc experiences a notable peak in humidity, reaching 87%, which aligns with the trend of increasing moisture levels as the year progresses. Following the drier months of January through April, the humidity begins to rise significantly in June, peaking in both August and September before tapering slightly to 86% in October. This pattern underscores the region's transition into its wetter season, where air feels increasingly saturated, setting the stage for the coming months of even higher humidity. The climb from 71% in March to 87% in September illustrates a steady shift towards a more humid tropical climate, making these months particularly notable for both local residents and visitors alike.
In September, Bontoc, Philippines experiences a UV Index of 14, categorized as extreme, indicating that sun safety is a must during this month. While this is slightly lower than the peak values observed in the summer months of March, April, and August, the consistent range of UV Index values from 11 to 15 throughout the year showcases the region's intense solar radiation. With a quick burn time of just 10 minutes, even a brief exposure can result in skin damage, emphasizing the importance of protective measures. As the rainy season approaches, it's essential to stay vigilant while enjoying the outdoors. For more detailed insights, check out the Bontoc UV Index.
UV Risk Categories
September in Bontoc, Philippines, enjoys a delightful 260 hours of sunshine, a refreshing blend of brightness as the rainy season transitions into drier months. This month reflects a slight dip from the peak of 313 hours in March and the warm glow of 311 hours in May, but still showcases the region's vibrant climate. Notably, the sunshine hours in September remain robust, surpassing the gloomy summer months of July and August, which recorded 262 and 245 hours, respectively. As the year progresses, sunshine hours generally trend upward towards the end of the year, making September a picturesque time to soak in the beauty of Bontoc before the clearest skies of October and December arrive.
September in Bontoc, Philippines, offers a moderate chance of sunny weather with approximately 19% likelihood of clear skies. This marks a noticeable improvement from the previous months of July and August, which see only a 6% and 9% chance of sunshine, respectively. As the region transitions from the rainier months of June and July, residents and visitors alike can look forward to more favorable weather patterns. However, the percentage is still modest compared to the sunnier months of April and May, boasting 33% and 48% chances, suggesting that while September is an improvement, it is still wise to expect possible rainfalls amid occasional sunny spells.
In Bontoc, Philippines, the rhythm of daylight throughout the year reveals fascinating trends. September marks a gentle transition with approximately 12 hours of daylight, mirroring the patterns established in the preceding months of June, July, and August. As the year progresses from the shorter, steady days of 11 hours in January and February, daylight gradually increases, peaking at 13 hours during the mid-year months. Following this peak, daylight begins to taper off, returning to 11 hours by October. This harmonious cycle reflects the tropical climate's consistency while offering a glimpse of the seasonal changes that characterize life in Bontoc.
In September, the winds in Bontoc, Philippines continue a gradual consistency, with an average speed of 1.3 m/s (3 mph), slightly tapering off from the moderate gusts of July and August. This month marks a gentle transition, as the summer’s subtle breezes linger, creating a calm atmosphere that invites outdoor exploration. Interestingly, the wind speeds begin to inch upward again as the year progresses, setting the stage for October’s expected increase. Overall, September serves as a bridge between the lighter winds of the late summer and the more invigorating breezes that follow, maintaining a serene yet refreshing ambiance in this picturesque locale.
Weather in Bontoc varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bontoc, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), with an average of 20°C (69°F). This month experiences significant rainfall, totaling 338 mm (13.3 in) over 26 days, accompanied by high humidity at 87%. In comparison, January is milder with temperatures varying from a minimum of 8°C (46°F) to a maximum of 24°C (76°F), averaging 17°C (63°F). Precipitation is much lower, at 102 mm (4.0 in) across 14 days, and humidity decreases to 77%. For more detailed insights, visit Bontoc weather in January.
September and February present contrasting weather patterns. September boasts a warm average temperature of 20°C (69°F) and can reach up to 27°C (81°F), but it is also characterized by high humidity at 87% and significant rainfall, with precipitation occurring on 26 days and totaling 338 mm (13.3 in). In contrast, February is cooler with an average temperature of 17°C (63°F) and a maximum of 25°C (77°F). This month experiences far less rainfall, totaling only 80 mm (3.2 in) over 15 days, and exhibits lower humidity at 73%. For a detailed comparison of February weather, you can check Bontoc weather in February.
In comparing the weather between September and March, we see some notable differences. September typically experiences slightly higher temperatures, with a minimum of 14°C (57°F) and an average of 20°C (69°F), while March starts cooler at a minimum of 10°C (51°F) but averages a similar 19°C (66°F). Both months can reach a maximum of 27°C (81°F) and 27°C (80°F) respectively. However, September is much wetter, receiving 338 mm (13.3 in) of precipitation over 26 days, compared to March’s more moderate 102 mm (4.0 in) across 17 days. Additionally, September tends to have higher humidity at 87%, in contrast to March's 71%. For more specific insights into March weather, check out Bontoc weather in March.
In comparing the weather between September and April, both months exhibit similar average temperatures, with September showing a range from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), and April slightly cooler with a minimum of 12°C (54°F) but the same maximum of 27°C (81°F). However, September is notably wetter, receiving 338 mm (13.3 in) of precipitation over 26 days, while April experiences considerably less rain, with only 112 mm (4.4 in) falling on 19 days. Furthermore, the humidity level in September is quite high at 87%, compared to April’s more comfortable 73%. For more detailed information about April weather, you can check Bontoc weather in April.
In comparing the weather of September and May, both months feature a minimum temperature of 14°C (57°F), but May’s average temperature is slightly higher at 21°C (70°F) compared to September’s 20°C (69°F). Additionally, May tends to be warmer overall, with a maximum temperature reaching 29°C (85°F), while September peaks at 27°C (81°F). Precipitation levels are quite similar, with September receiving 338 mm (13.3 in) over 26 days and May slightly less at 334 mm (13.2 in) over 21 days. However, September experiences higher humidity at 87%, compared to May's 77%. For more detailed information, you can visit Bontoc weather in May.
In comparing the weather of September and June, both months exhibit similar temperature ranges, with September experiencing a minimum of 14°C (57°F), an average of 20°C (69°F), and a maximum of 27°C (81°F). June, on the other hand, showcases a slightly warmer profile with a minimum of 14°C (57°F), an average of 21°C (70°F), and a peak of 28°C (83°F). Precipitation levels are nearly identical, with September receiving 338 mm (13.3 in) and June just slightly less at 335 mm (13.2 in), both spread across 26 rainy days. The humidity is similarly high in both months, with September at 87% and June at 85%. For more detailed insights into June weather, visit Bontoc weather in June.
In comparing the weather of September and July, we find that both months exhibit similar high temperatures, peaking at around 27°C (81°F). However, September tends to be slightly cooler in the mornings with a minimum temperature of 14°C (57°F) compared to July's 15°C (60°F). While both months experience high humidity levels—87% in September and 86% in July—July is characterized by a greater amount of rainfall, receiving 464 mm (18.3 in) over 30 days, versus September's 338 mm (13.3 in) across 26 days. For a more detailed look at July's weather patterns, you can visit Bontoc weather in July.
September and August exhibit similar temperature ranges, with September showcasing a minimum of 14°C and an average of 20°C compared to August's slightly warmer minimum of 15°C and an average of 21°C. Both months reach a maximum of 27°C (81°F). However, September stands out with significantly lower precipitation, recording 338 mm over 26 days, unlike August, which experiences 486 mm across 30 days. Both months share the same humidity level of 87%. For more detailed information, you can check Bontoc weather in August.
September and October's weather show notable similarities and differences. In September, the temperatures range from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), maintaining an average of 20°C (69°F). The month experiences significant rainfall, with 338 mm (13.3 in) spread over 26 days, creating a humid atmosphere at 87%. In contrast, October sees slightly cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 26°C (79°F), while the average remains the same at 20°C (68°F). Precipitation decreases to 300 mm (11.8 in) over 25 days, accompanied by a drop in humidity to 86%. For more detailed insights, you can check Bontoc weather in October.
In comparing the weather of September and November, September generally exhibits warmer temperatures with an average of 20°C (69°F), peaking at 27°C (81°F), while November's average temperature is slightly cooler at 19°C (67°F) with a maximum of 26°C (79°F). Interestingly, September also sees significantly higher precipitation at 338 mm (13.3 in) across 26 days, compared to November's 185 mm (7.3 in) over 19 days. Humidity remains relatively high in both months, with September at 87% and November slightly higher at 89%. For more detailed information, you can check Bontoc weather in November.
In September, temperatures are warmer with a minimum of 14°C (57°F) and an average of 20°C (69°F), reaching a maximum of 27°C (81°F). This month also experiences considerable rainfall, totaling 338 mm (13.3 in) over 26 days and high humidity levels at 87%. In contrast, December sees cooler temperatures, with a minimum of 10°C (51°F) and an average of 18°C (65°F), peaking at 25°C (77°F). Precipitation decreases significantly to 159 mm (6.3 in) spread across 21 days, while humidity remains slightly lower at 85%. For more detailed information, you can visit Bontoc weather in December.
September in Bontoc ushers in a distinct shift in weather patterns, marked by increased humidity and frequent rainfall. Unlike the drier summer months, this time of year experiences a notable uptick in precipitation, with nearly every day seeing some form of rain. The temperatures, while still comfortable, reflect a cooler trend as the month progresses, offering a reprieve from the heat felt earlier in the year. This combination of lush, vibrant landscapes and persistent showers makes September a unique time to experience Bontoc’s natural beauty. For more detailed insights about the region’s climate, visit Bontoc Climate.