Last updated: October 31, 2025
September in Taitung, Taiwan, is characterized by warm temperatures and significant rainfall. With a maximum temperature reaching 31°C (88°F) and an average of 27°C (81°F), residents and visitors can expect a tropical climate. Nights are pleasantly cooler, with temperatures dropping to a minimum of 23°C (74°F). The month is also notable for its high humidity, hovering around 80%. Rainfall is frequent, accumulating to 238 mm (9.4 in) over 20 rainy days, making this period a lush and vibrant time to experience Taitung's natural beauty.
In September, Taitung, Taiwan experiences a notable warm embrace as the summer season begins to fade. With minimum temperatures around 23°C (74°F) and an average reaching 27°C (81°F), the month maintains a comfortable warmth, making it perfect for outdoor explorations. The highs can soar up to 31°C (88°F), still reminiscent of the preceding summer heat but noticeably cooler than the peak experiences of July and August. As the month advances, there's a gentle shift towards more moderate temperatures, signaling the arrival of autumn and offering a pleasant transition from the sweltering summer months.
In Taitung, Taiwan, September experiences a moderate precipitation level of 238 mm (9.4 in), making it one of the wetter months of the year, though slightly drier than August's peak of 381 mm (15.0 in). Rain falls on 20 days throughout the month, reflecting a consistent pattern of wet weather, albeit less intense than in the summer months. This dip in precipitation contrasts sharply with May's high of 357 mm (14.1 in), indicating a trend toward more stable weather as autumn approaches. As the region transitions into October, with an expected 281 mm (11.0 in), Taitung's rainfall patterns suggest a gradual shift, balancing between the abundant summer rains and the drier, cooler months ahead.
September in Taitung, Taiwan, showcases a noticeable shift in humidity levels, maintaining a relatively high 80%. Building on the summer months, where humidity peaks at 84% in August, September marks a slight decrease but still retains the characteristics of a humid subtropical climate. This trend indicates the gradual transition into fall, as humidity levels typically decline from the summer's peak. Overall, the data reflects a consistent pattern: as the year progresses from the drier winter months, humidity gradually increases, peaking in late summer before beginning to recede again in autumn.
In September, Taitung, Taiwan maintains an extreme UV Index of 13, similar to the preceding summer months, making sun safety a priority for residents and visitors alike. With a burn time of just 10 minutes, it's clear that the sun's intensity remains high, following the pattern established from January through August, where values fluctuated between 9 and 14. The transition to October will bring a slight dip in the UV Index to 11, yet vigilance is still necessary as the extreme category lingers. This consistent intensity throughout the year underscores the importance of protective measures against harmful UV exposure, as detailed in the comprehensive guide available at Taitung UV Index.
UV Risk Categories
As summer fades, September in Taitung, Taiwan, bathes its residents in a warm embrace of 287 hours of sunshine. This vibrant month continues the trend of a robust summer, following July's peak of 332 hours and August’s substantial 293 hours. While September experiences a slight dip, the sun still shines brightly, outperforming earlier months like April and May, which saw 274 and 306 hours respectively. This steady warmth serves as a beautiful reminder of the region's sunny disposition, paving the way into the milder days of autumn without losing the lingering warmth of summer.
In Taitung, Taiwan, September stands out with a notably high 55% chance of sunny weather, making it a prime time for outdoor activities and exploration. This figure marks a significant rise compared to the cooler summer months, where the likelihood of sunshine dips as low as 11% in June. Following a trend of fluctuating sunshine chances throughout the year, September emerges as a favorable transition month, with the sun's presence increasing sharply from the previous months of August (32%) and July (28%). As the year progresses into autumn, this peak in sunny days not only invites residents and travelers alike to bask in the warmth but also highlights Taitung's vibrant natural beauty at its sunniest.
As September arrives in Taitung, Taiwan, the daylight duration settles at a pleasant 12 hours, continuing the trend of elongated days that characterizes the late summer months. Following the peak of 13 hours in both May and June, the daylight gradually tapers off, a subtle reminder of the approaching autumn. This consistency at 12 hours in September reflects a harmonious balance between summer's lingering warmth and the gentle emergence of fall. As the daylight hours begin to shorten in October and beyond, the vibrant hues of Taitung’s landscape offer a stunning backdrop to the season's transition, inviting both locals and visitors to savor the beautiful outdoor experiences that await.
As September rolls in Taitung, Taiwan, the coastal breeze begins to soften, with an average wind speed of 2.9 m/s (7 mph), marking it as one of the calmest months of the year. This dip in wind intensity follows a gradual trend visible from the summer months, where July and August also recorded lower averages of 2.9 m/s and 3.4 m/s, respectively. While the September winds may be gentle, they foreshadow a resurgence of breezier conditions in October, when speeds leap back to 5.4 m/s (12 mph). This cyclical pattern illustrates Taitung's transition from the calm of late summer to the invigorating winds of autumn, creating a dynamic, ever-changing atmosphere along its beautiful coastline.
Weather in Taitung varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Taitung, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is typically warm and humid, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F). This month also experiences significant rainfall, with around 238 mm (9.4 in) of precipitation over approximately 20 days, resulting in a humidity level of 80%. In contrast, January brings cooler temperatures, with averages ranging from 11°C (53°F) to 25°C (77°F). While it still sees considerable precipitation at around 260 mm (10.2 in) across 24 days, the humidity levels drop slightly to 75%. For a more detailed look at January weather specifically in Taitung, visit Taitung weather in January.
In September, the weather is characterized by warm temperatures, with minimums around 23°C (74°F) and maximums reaching up to 31°C (88°F), making it a hot month overall, averaging 27°C (81°F). The high humidity of 80% combined with significant rainfall, totaling 238 mm (9.4 in) over 20 days, contributes to a noticeably muggy atmosphere. In contrast, February presents a much cooler climate, with temperatures ranging from a minimum of 12°C (54°F) to a comfortable maximum of 25°C (78°F), averaging 19°C (66°F). Although February also sees frequent rainfall, totaling 237 mm (9.3 in) across 25 days, the lower humidity level of 73% makes the weather feel more pleasant. For more details on February weather, visit Taitung weather in February.
September and March present distinctly different weather profiles. In September, temperatures are generally warmer, with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), averaging around 27°C (81°F). This month is characterized by high humidity at 80% and frequent rainfall, seeing precipitation on 20 days totaling 238 mm (9.4 in). In contrast, March offers cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 28°C (82°F), providing an average of 21°C (70°F). Although March has slightly higher precipitation at 244 mm (9.6 in) over a longer duration of 28 days, its humidity level is slightly lower at 76%. For a more detailed look at the weather in March, you can visit Taitung weather in March.
In comparing the weather patterns of September and April, we observe distinct differences in temperature and precipitation. September boasts a warmer average temperature, ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), while April features a cooler average with temperatures from 17°C (62°F) to 31°C (87°F). Despite having similar maximum temperatures, April's average temperature is lower at 22°C (73°F). In terms of precipitation, April experiences slightly more rainfall, with 264 mm (10.4 in) over 26 days, compared to September's 238 mm (9.4 in) across 20 days. Humidity levels are also comparable, with September at 80% and April slightly lower at 77%. For a detailed overview of weather conditions in April, check out Taitung weather in April.
In comparing the weather between September and May, both months experience similar maximum temperatures of 31°C (88°F), yet May tends to be slightly cooler with an average of 25°C (78°F) compared to September's 27°C (81°F). September is marked by high humidity at 80% and substantial rainfall, receiving 238 mm (9.4 in) over 20 days, while May is even wetter, with a total precipitation of 357 mm (14.1 in) across 24 days. This results in May being a more humid and rainier month overall. For more details on May's weather, you can check this link: Taitung weather in May.
In comparing the weather of September and June, both months feature warm temperatures, but June is slightly warmer overall. September has a minimum temperature of 23°C (74°F) and averages around 27°C (81°F), reaching a maximum of 31°C (88°F). In contrast, June experiences minimum temperatures at 24°C (76°F), with an average of 28°C (82°F) and maximum highs jumping to 33°C (91°F). Although September has a lower precipitation level at 238 mm (9.4 in) over 20 days compared to June's 250 mm (9.9 in) over 21 days, the humidity levels are quite similar, with September at 80% and June at 79%. For more detailed information, you can check out Taitung weather in June.
In comparison, September's weather tends to be slightly cooler than July, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F). In contrast, July showcases slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 32°C (91°F). While July experiences 164 mm (6.5 in) of precipitation over 18 days, September is considerably wetter, receiving 238 mm (9.4 in) across 20 days. Both months exhibit high humidity, with July at 82% and September at 80%. For more details on July's specific conditions, you can visit Taitung weather in July.
In August, the weather in Taitung is typically warmer, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (91°F), and an average of 28°C (82°F). However, it also brings considerable rainfall, with precipitation totaling 381 mm (15.0 in) across 22 days, leading to a humidity level of 84%. In contrast, September sees a slight decrease in temperature, with averages from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), while still experiencing substantial rainfall of 238 mm (9.4 in) over 20 days. The humidity drops slightly to 80%. For a detailed look at August weather patterns, visit Taitung weather in August.
September and October exhibit distinct weather characteristics in Taitung. September tends to be warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), while October cools down slightly, featuring an average range of 19°C (67°F) to 29°C (84°F). Additionally, October experiences more rainfall, totaling 281 mm (11.0 in) over 25 days, compared to September's 238 mm (9.4 in) over 20 days. Despite the increase in precipitation, October's humidity remains relatively stable at 77%, just slightly below September's average of 80%. For a more detailed look at October weather in Taitung, you can visit Taitung weather in October.
In September, the weather is typically warmer with average temperatures around 27°C (81°F) and highs reaching up to 31°C (88°F). The month also sees significant rainfall, with 238 mm (9.4 in) of precipitation spread over 20 days, maintaining high humidity levels at 80%. In contrast, November experiences cooler temperatures, with an average of 22°C (73°F) and maximums peaking at 27°C (80°F). While November has slightly less precipitation at 206 mm (8.1 in), it is notable for having rain on 26 days, keeping the humidity steady at 80%. For a closer look at weather trends during this month, check out Taitung weather in November.
September and December showcase markedly different weather patterns. In September, temperatures are warmer, with a minimum of 23°C (74°F) and an average of 27°C (81°F), peaking at 31°C (88°F). This month also experiences significant rainfall, with 238 mm (9.4 in) over 20 days, accompanied by high humidity levels of 80%. In contrast, December features cooler temperatures, ranging from a minimum of 13°C (56°F) to a maximum of 25°C (78°F), with an average of 20°C (68°F). It sees a slightly higher precipitation total of 268 mm (10.5 in) spread over 28 days, while humidity remains relatively consistent at 79%. For more detailed insights, check out Taitung weather in December.
September in Taitung marks a transition towards the more humid and rainy conditions of the fall season. With an average temperature lingering around a warm 27°C (81°F), the days remain pleasant but are often accompanied by increased humidity levels reaching 80%, creating a muggy atmosphere. This month is characterized by significant precipitation, as rain frequently sweeps across the region, resulting in approximately 20 rainy days and a total of 238 mm of rainfall. Compared to the relatively drier summer months, September brings a notable shift, urging visitors to embrace the vibrant landscapes during the lush post-rain ambiance. For a more detailed understanding of Taitung's weather patterns throughout the year, visit Taitung Climate.