Last updated: August 21, 2025
In Hirado, Japan, September brings a warm yet humid climate, with temperatures peaking at a sizzling 33°C (91°F), while the average settles around a comfortable 25°C (77°F). The nights offer respite with lows of 19°C (67°F). This month is notably wet, recording a substantial 228 mm (9.0 in) of rainfall over 15 days, resulting in 84% humidity that can create a muggy atmosphere. Those visiting or residing in Hirado during September should be prepared for both warm sunshine and frequent downpours, making it a dynamic month in this coastal town.
In Hirado, Japan, September welcomes the gradual transition from the sweltering summer months to the cooler embrace of autumn. With minimum temperatures starting at a comfortable 19°C (67°F) and peaking at a warm 33°C (91°F), the month maintains a vibrant average of 25°C (77°F). This rise in temperature signals a sustained warmth from August, yet hints at the upcoming shift as October approaches. The lingering sun offers perfect conditions for outdoor adventures, while the gradually cooling evenings invite cozy gatherings. As summer recedes, September frames itself as a month of balance, showcasing the tail end of summer's heat while ushering in the soft hues of early fall.
September in Hirado, Japan, marks a notable transition in precipitation patterns, with a substantial 228 mm (9.0 in) of rain falling over 15 days. This amount reflects a shift from the high summer rainfall experienced in July and August, where the figures soared to 349 mm (13.7 in) and 284 mm (11.2 in) respectively. While September sees a drop compared to the preceding months, it still carries a significant volume of rain, setting the stage for the drier months ahead. Overall, this period highlights the bustling water cycle typical of late summer, as Hirado’s landscape prepares for the cooler autumn season.
As September rolls in, Hirado, Japan, experiences a notable shift in humidity, averaging 84%—a slight decrease from the peak summer months while still remaining relatively high. This transitional month showcases a gradual ebb from the humid extremes of July and August, which reached a staggering 97% and 94% respectively. The warmth and humidity, characteristic of the summer, begin to give way to the crispness of fall as the average humidity drops closer to the yearly norm of around 79% in October. Overall, this decline heralds the onset of a more temperate climate, providing a refreshing respite after the sweltering summer heat.
In September, Hirado experiences an extreme UV Index of 11, requiring just 10 minutes of sun exposure before the risk of sunburn increases significantly. This trend shows a continuation of the intense UV levels seen during the summer months, where both July and August also recorded a peak index of 12. As the seasons gradually shift, October will bring a decrease to a high UV Index of 7, suggesting a slight easing in the need for sun protection. Nonetheless, September still demands vigilance for sun safety with its formidable UV intensity. To stay informed about the UV index throughout the year, you can visit Hirado UV Index.
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As summer transitions into autumn, September in Hirado, Japan shines with an impressive 258 hours of sunshine, maintaining a bright glow reminiscent of August's peak. This month showcases a gentle decline from the vibrant summer months, yet still outshines many earlier months, including July and June. While the long days of May and June set a warm stage, September hints at the gradual approach of fall, blending golden sunlight with the crispness of the impending season. As daylight hours decrease, the natural beauty of Hirado transforms, inviting residents and visitors alike to bask in the last warm rays before the cooler months settle in.
September in Hirado, Japan, presents a moderate opportunity for sunshine, with a 35% chance of sunny days. This slightly higher likelihood compared to the summer months, which see significantly reduced sunlight (with July plummeting to 21%), hints at a subtle transition toward clearer skies as autumn approaches. While early autumn still carries remnants of summer humidity, it gradually paves the way for the more promising conditions of October, which boasts an impressive 63% chance of sun. Overall, September serves as a bridge—a transitional month that balances the fading warmth of summer with the arrival of clearer, sunnier days ahead.
In Hirado, Japan, the rhythm of daylight unfolds with the changing seasons, revealing a captivating trend in September. As summer wanes, daylight offerings dip slightly to 12 hours, following the vibrant highs of 14 hours in both June and July. This transition mirrors nature’s subtle shift from the exuberance of summer to the gentle embrace of autumn. The gradual decrease in daylight hours continues into October, where it settles at 11 hours. With each passing month, Hirado experiences a delicate dance of light, showcasing the enchanting interplay between brightness and twilight as the year progresses.
As the seasons shift in Hirado, Japan, September brings a gentle uptick in wind to the coastal landscape, with average speeds of 4.4 m/s (10 mph). This slight increase follows the summer months, where winds tend to lighten, with July and August reporting lower speeds of 3.8 m/s and 4.2 m/s, respectively. The gradual climb in September's winds hints at autumn’s approach, setting a refreshing tone as nature begins to prepare for the cooler months ahead. This transition captures the essence of Hirado's climate, revealing a pattern where winds pick up again from the quieter summer, aligning with a gradual return to the brisker gales of winter, evident in the November and December averages.
Weather in Hirado varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hirado, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather patterns. In September, temperatures range from a mild minimum of 19°C (67°F) to a scorching maximum of 33°C (91°F), with an average of 25°C (77°F). The month is characterized by high humidity at 84% and sees significant rainfall, with 228 mm (9.0 in) of precipitation over 15 days. In contrast, January experiences much colder conditions, with temperatures dipping as low as 0°C (32°F) and only reaching a maximum of 19°C (66°F), averaging just 9°C (48°F). Additionally, January is relatively dry, with only 64 mm (2.5 in) of precipitation over 8 days and a lower humidity of 73%. For more details on the January weather, you can check Hirado weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures can soar with a minimum of 19°C (67°F) and an average around 25°C (77°F), peaking at a high of 33°C (91°F). This month also sees significant rainfall, with 228 mm (9.0 in) recorded over 15 days, accompanied by high humidity levels of 84%. Conversely, February brings a much cooler climate, with temperatures ranging from a minimum of 0°C (32°F) to an average of 9°C (48°F), and a maximum of 19°C (66°F). Precipitation is considerably lower at 82 mm (3.2 in) spread over just 10 days, along with a lower humidity of 69%. For a more detailed look at February weather specifics, you can check Hirado weather in February.
In comparing the weather of September and March, significant differences emerge. September boasts a much warmer climate, with average temperatures reaching 25°C (77°F) and highs up to 33°C (91°F), while March is considerably cooler, with an average of just 12°C (55°F) and maximum temperatures of 20°C (68°F). Additionally, September experiences higher humidity levels at 84%, compared to March's 71%. Precipitation is also more frequent in September, with 228 mm (9.0 in) over 15 days, whereas March sees less rainfall—137 mm (5.4 in) over 11 days. For a more detailed look at the March climate, you can visit Hirado weather in March.
When comparing the weather between September and April, significant differences emerge in both temperature and precipitation. September typically experiences warmer temperatures, with a minimum of 19°C (67°F) and maximum reaching 33°C (91°F), while April's temperatures are much cooler, ranging from a minimum of 7°C (46°F) to a maximum of 24°C (76°F). Additionally, September sees higher humidity levels at 84%, compared to April's 79%, along with more significant precipitation, totaling 228 mm (9.0 in) over 15 days, versus April's 117 mm (4.6 in) over just 9 days. For a closer look at April's climate specifics, you can visit Hirado weather in April.
In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 33°C (91°F), making it considerably warmer than May, which experiences temperatures between 12°C (53°F) and 27°C (80°F). Additionally, September sees higher precipitation at 228 mm (9.0 in) over 15 days, compared to May's 165 mm (6.5 in) over 10 days. With a humidity level of 84% in September and slightly higher at 87% in May, both months offer a humid climate, but September is notably warmer and wetter. For a detailed look into Hirado's weather during May, you can visit Hirado weather in May.
In September, the weather tends to be warmer than in June, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 33°C (91°F), and an average of 25°C (77°F). In comparison, June has a slightly cooler range, with temperatures varying from a minimum of 18°C (64°F) to a maximum of 29°C (84°F) and an average of 23°C (73°F). September also sees more rainfall, with 228 mm (9.0 in) of precipitation over 15 days, while June records 200 mm (7.9 in) over 12 days. However, humidity levels are higher in June at 91%, compared to 84% in September. For more detailed information, you can check Hirado weather in June.
September weather shows a slight decrease in both minimum and average temperatures compared to July, with September's minimum at 19°C (67°F) and average at 25°C (77°F), while July's figures are slightly warmer at a minimum of 20°C (69°F) and an average of 26°C (80°F). Despite having the same maximum temperature of 33°C (91°F for September and 92°F for July), September experiences more moderate humidity levels at 84% in contrast to July's high humidity of 97%. Furthermore, while September sees 228 mm (9.0 in) of precipitation over 15 days, July is notably wetter with 349 mm (13.7 in) over 17 days, indicating that July is typically rainier and more humid. For more detailed insights, check out Hirado weather in July.
In comparing the weather conditions of September and August, September experiences slightly cooler temperatures, with a minimum of 19°C (67°F) and an average of 25°C (77°F), compared to August's minimum of 21°C (69°F) and average of 28°C (83°F). While September boasts a maximum temperature of 33°C (91°F), August reaches up to 34°C (94°F). Rainfall also decreases from August to September; August records 284 mm (11.2 in) over 14 days, while September sees a total of 228 mm (9.0 in) over 15 days. Humidity levels are notably high in both months, but August is slightly more humid at 94% compared to September’s 84%. For more detailed insights, check out Hirado weather in August.
September typically boasts warmer temperatures with a minimum of 19°C and an average of 25°C, occasionally reaching highs of 33°C. The month sees considerable rainfall, with 228 mm over about 15 days, and humidity levels are notably high at 84%. In contrast, October experiences cooler conditions, with temperatures dipping to a minimum of 13°C and an average of 21°C, peaking at 30°C. Rainfall decreases significantly to 107 mm across just 8 days, and humidity drops slightly to 79%. This transition marks a shift from the warm and humid days of September to the milder and drier climate of October. For more details on weather specifics, check out Hirado weather in October.
September and November present a stark contrast in weather conditions. In September, temperatures are significantly warmer, ranging from a minimum of 19°C (67°F) to a sweltering maximum of 33°C (91°F), with an average of 25°C (77°F). The month is also characterized by high humidity at 84% and considerable precipitation, totaling 228 mm (9.0 in) over about 15 days. In contrast, November sees much cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 24°C (76°F), averaging around 16°C (60°F). The month is drier, receiving only 51 mm (2.0 in) of rain across approximately 7 days, and the humidity decreases to 75%. For more information on Hirado's weather during November, you can check Hirado weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F) and an average of 25°C (77°F), peaking at a maximum of 33°C (91°F). This month also experiences significant rainfall, totaling 228 mm (9.0 in) over about 15 days, coupled with high humidity levels averaging 84%. In contrast, December offers a much cooler climate, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 22°C (73°F) and an average of 10°C (51°F). Precipitation decreases substantially to 74 mm (2.9 in) over just 7 days, and humidity dips to 72%. For more insights into the weather conditions, check out Hirado weather in December.
As September unfolds in Hirado, the weather offers a refreshing shift from the scorching summer months. With temperatures averaging around 25°C (77°F), this month provides a comfortable respite, although it can still peak at a sweltering 33°C (91°F). Unlike the dry heat of July and August, September experiences higher humidity levels at 84%, contributing to a more tropical feel. The month also brings considerable rainfall, with 228 mm falling over approximately 15 days, leading to lush landscapes. For those seeking more detailed insights, visit Hirado Climate.