Last updated: August 21, 2025
In Hatsukaichi, Japan, September showcases a vibrant climate marked by a maximum temperature of 33°C (92°F), an average of 24°C (75°F), and a minimum plunging to 15°C (60°F). This month brings considerable precipitation, accumulating to 237 mm (9.3 in), spread over 14 rainy days, contributing to a notable humidity level of 84%. Visitors can expect a mix of warm days and refreshing showers, ideal for experiencing the lush scenery and cultural richness of this enchanting city.
In September, Hatsukaichi experiences a pleasant transition towards autumn, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 33°C (92°F). This month showcases an inviting average temperature of 24°C (75°F), making it one of the warmer times of the year. As summer's peak gradually cools, the city enjoys a balance of warmth and refreshing breezes, creating a perfect backdrop for outdoor activities. Visitors can revel in the lingering warmth while also preparing for the cooler months ahead, as the temperatures begin to decline come October. Overall, September is characterized by its comfortable warmth and is an ideal time for enjoying the rich natural beauty of this vibrant region.
In September, Hatsukaichi experiences a notable transition, with precipitation totaling 237 mm (9.3 in) over 14 days. This amount follows the substantial rainfall seen in the summer months, particularly July, which recorded a staggering 386 mm. However, September's figures reflect a decline compared to the previous months, signaling the tail end of the rainy season. Despite this decrease, the persistent rainfall provides a lush backdrop for the region, as nature begins to prepare for autumn. The consistent number of rainy days, akin to August, suggests a gradual tapering rather than a sharp drop, allowing for a seamless shift in the climate while continuing to nourish the local flora.
In September, Hatsukaichi experiences a noticeable decline in humidity, averaging 84%—a drop from the sweltering highs of 95% in July and 93% in August. This month signals a subtle transition as summer's muggy grip loosens, yet the air remains moist, hinting at the impending autumn. The trend throughout the year showcases a peak in the summer months with July and August experiencing the highest humidity levels, while the cooler months of January and February bring a refreshing respite with significantly lower humidity. As the season shifts, September's humidity fosters a unique blend of warmth and moisture, making it a compelling time to experience the lush landscapes of Hatsukaichi.
As September rolls into Hatsukaichi, Japan, the UV Index showcases a notably high figure of 10, categorizing exposure as very high with a burn time of just 15 minutes. This shift marks a transition from the summer months, when UV levels peaked at extreme ratings of 11 and 12 in July and August, demanding vigilant sun protection. While September still retains a significant intensity, the slightly lower index reflects a gradual decrease in UV radiation as autumn approaches. Residents and visitors alike are reminded to stay proactive about sun safety as the changing seasons affect their outdoor plans. For more detailed insights, check out the Hatsukaichi UV Index.
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September in Hatsukaichi, Japan, offers a delightful transition with 260 hours of sunshine, showcasing a gradual decline from the sun-drenched peak of August. After basking in 308 hours during the summer month, sunlight begins to retreat as autumn approaches, yet September still boasts robust daylight hours compared to earlier months. The trend reveals a steady increase in sunshine from the winter months, with March to August witnessing a significant rise, peaking in late summer. As the days shorten and temperatures cool, Hatsukaichi maintains a vibrant atmosphere, making September a charming time for exploration and appreciation of the natural beauty before the chill of October settles in.
In Hatsukaichi, Japan, the likelihood of enjoying sunny weather in September stands at 31%, a slight uptick from the gloomier summer months where the chances dip to just 23-25% in July and August. As the season transitions into autumn, this modest increase reflects a general trend towards clearer skies that begins to take shape in the later months of the year. With October showcasing a more favorable 59% chance of sunshine, September serves as a pivotal moment where the lingering warmth of summer starts to give way to more pleasant, sunlit days. Overall, while September may not guarantee abundant sunshine, it presents a promising shift in weather patterns as fall approaches.
In Hatsukaichi, Japan, September marks a subtle transition as daylight begins to wane, offering about 12 hours of sunlight. Following the vibrant summer months of July and August, which enjoy 14 and 13 hours of daylight respectively, September's reduction signifies the approach of autumn. This slight dip in daylight is part of a broader trend that sees longer days in the spring and summer, gradually shortening into the cooler months. As the year progresses from here, daylight will decrease further, settling to just 11 hours in October, and continuing to decline towards the winter solstice. This cyclical rhythm of daylight not only influences daily activities but also enriches the seasonal beauty of Hatsukaichi.
In September, Hatsukaichi experiences a gentle breeze with an average wind speed of 2.3 m/s (5 mph), marking a slight decline from the summer months. This month’s winds are notably calmer than the earlier hot season, which saw stronger gusts, particularly in July and August. Following this trend, the wind speeds remain stable into October, indicating a transition as the region shifts from summer warmth to the cooler embrace of autumn. Overall, September serves as a bridge between seasons, offering a serene environment with soft winds, inviting residents and visitors alike to enjoy the lingering warmth while embracing the changing scenery.
Weather in Hatsukaichi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hatsukaichi, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. September sees a warm average temperature of 24°C (75°F), peaking at a maximum of 33°C (92°F), while the month is accompanied by high humidity at 84% and significant precipitation, totaling 237 mm (9.3 in) over 14 days. In contrast, January experiences much colder temperatures, with an average of 5°C (42°F) and a maximum of 15°C (59°F), alongside a much drier climate, producing only 49 mm (1.9 in) of precipitation across just 6 days. The humidity level in January is lower at 76%, making it feel crisper compared to the lush warmth of September. For more information, you can check Hatsukaichi weather in January.
September and February present starkly contrasting weather characteristics. In September, temperatures range from a mild 15°C (60°F) at night to a hot 33°C (92°F) during the day, with an average temperature of about 24°C (75°F). The month is also marked by high precipitation, with 237 mm (9.3 in) over 14 days and humidity levels reaching 84%, creating a warm and often muggy atmosphere.
In contrast, February experiences much colder conditions, with nighttime lows dropping to -4°C (26°F) and a maximum temperature of 20°C (68°F), leading to an average of only 6°C (43°F). Rainfall is significantly lower in February, totaling 69 mm (2.7 in) over just 7 days, and the humidity settles at a more comfortable 72%. For more details on February weather, you can visit Hatsukaichi weather in February.
Overall, September is characterized by warm, humid conditions and frequent rain, while February is marked by cold temperatures and lower precipitation.
When comparing the weather in September and March, noticeable differences emerge in both temperature and humidity. September tends to be much warmer, with average temperatures reaching 24°C (75°F) and maxima peaking at 33°C (92°F). In contrast, March presents a cooler climate, with average temperatures around 10°C (50°F) and highs of only 22°C (71°F). Additionally, September experiences higher humidity at 84% and more frequent rainfall, totaling 237 mm (9.3 in) over approximately 14 days, while March has lower humidity at 69% and significantly less precipitation, averaging 125 mm (4.9 in) over about 10 days. For a detailed look at March weather in a specific area, you can check out Hatsukaichi weather in March.
September and April present stark contrasts in weather characteristics. In September, temperatures range from a mild 15°C (60°F) at night to a scorching 33°C (92°F) during the day, with an average of 24°C (75°F). This month also experiences significant precipitation, accumulating 237 mm (9.3 in) over 14 days, contributing to a high humidity level of 84%. In contrast, April offers a cooler climate, with temperatures between 2°C (36°F) at night and a comfortable 24°C (76°F) during the day, averaging just 14°C (58°F). Precipitation is lower, totaling 137 mm (5.4 in) across 9 days, and the humidity is also slightly less at 75%. For more detailed information on April conditions, check out Hatsukaichi weather in April.
When comparing the weather in September and May, significant differences become apparent. September boasts warmer temperatures, with a minimum of 15°C (60°F) and an average of 24°C (75°F), peaking at 33°C (92°F). In contrast, May offers cooler conditions, with a minimum of 7°C (45°F) and an average of 19°C (66°F), reaching a maximum of 28°C (83°F). Additionally, September experiences higher precipitation, totaling 237 mm (9.3 in) over 14 days, compared to May's 136 mm (5.4 in) over just 9 days. Despite both months having a humidity level of 84%, the overall feel of September is much warmer and wetter compared to the milder and less rainy May. For a closer look at May weather specifics, check out Hatsukaichi weather in May.
In comparing the weather between September and June, we find that September tends to be warmer overall, with average temperatures reaching 24°C (75°F) compared to June's 22°C (72°F). The maximum temperature in September can soar to 33°C (92°F), while June peaks at a lower 29°C (85°F). Both months experience similar levels of precipitation, with September receiving 237 mm over 14 days and June slightly less at 181 mm. Humidity levels are also quite high, at 84% in September and 88% in June, contributing to a muggy atmosphere in both months. For a more detailed look at June's weather, you can check out Hatsukaichi weather in June.
In comparing the weather of September to that of July, several notable differences emerge. September experiences a slightly lower average temperature of 24°C (75°F), compared to July's warmer average of 26°C (79°F). However, July has a higher maximum temperature, reaching up to 35°C (95°F), while September peaks at 33°C (92°F). Precipitation is also more significant in July, with 386 mm (15.2 in) over 19 days, whereas September sees 237 mm (9.3 in) over 14 days. Additionally, July's humidity at 95% is noticeably higher than September's 84%, contributing to a more intense feel during the summer month. For a closer look at July conditions, you can view more details here: Hatsukaichi weather in July.
In comparing the weather of September to August, we observe a notable cooling trend. September presents a minimum temperature of 15°C (60°F), a significant drop from August's minimum of 20°C (67°F). The average temperature in September is 24°C (75°F), compared to August's warmer average of 28°C (82°F), while both months see high temperatures peaking at 33°C (92°F) in September and 35°C (96°F) in August. Precipitation levels are somewhat comparable, with September receiving 237 mm (9.3 in) and August a slightly higher 256 mm (10.1 in), both spread over 14 days. Humidity remains high in both months, although September's average of 84% is less oppressive than August's 93%. For more detailed insights, check out Hatsukaichi weather in August.
September and October present a noticeable shift in weather conditions. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 33°C (92°F), with an average of 24°C (75°F). The month is characterized by high humidity at 84% and significant precipitation, totaling 237 mm (9.3 in) over 14 days. In contrast, October sees cooler temperatures, with minima dropping to 8°C (46°F) and averaging around 19°C (66°F), peaking at 29°C (85°F). Although precipitation decreases to 172 mm (6.8 in) over fewer days (10), humidity also drops slightly to 79%. This transition marks a move from the warm, soggy conditions of early autumn in September to the cooler, drier ambiance of October. For more details, visit Hatsukaichi weather in October.
In September, the weather is characterized by warmer temperatures, with daily averages around 24°C (75°F) and highs reaching up to 33°C (92°F). The month experiences significant rainfall, totaling 237 mm (9.3 in) over 14 days, and high humidity at 84%. In contrast, November brings a noticeable shift, with cooler temperatures averaging 13°C (55°F) and a maximum of 23°C (74°F). Precipitation decreases considerably to 37 mm (1.5 in) over just 5 days, alongside a drop in humidity to 76%. For those interested in more details, you can explore Hatsukaichi weather in November.
September and December present markedly different weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 33°C (92°F), with an average of 24°C (75°F). This month is characterized by high humidity at 84% and considerable rainfall, totaling 237 mm (9.3 in) over 14 rainy days. Conversely, December brings a significant drop in temperatures, with a minimum of -1°C (31°F), an average of 7°C (46°F), and a maximum of 20°C (69°F). Precipitation is much lower at 61 mm (2.4 in), spread over just 6 days, and humidity decreases to 75%. For more details on seasonal weather, you can check Hatsukaichi weather in December.
As September rolls into Hatsukaichi, the weather begins to shift, transitioning from the sweltering heights of summer. You can expect a mix of warm days and cooler nights, with average temperatures offering a pleasant contrast to the peaks experienced earlier in the season. Rainfall becomes more prominent this month, with an increase in both precipitation and humidity, leading to a lush environment. It’s a month where the landscape starts to transform, creating a vibrant backdrop for outdoor activities. For those interested in understanding the nuances of the local climate, detailed insights can be found at Hatsukaichi Climate.