Last updated: August 21, 2025
In September, Yokkaichi, Japan experiences a vivid tapestry of weather, marked by a maximum temperature of 36°C (98°F) and a comfortable average of 24°C (76°F), creating warm and inviting days. The evenings cool down to a refreshing minimum of 13°C (56°F), offering a pleasant respite from the daytime heat. However, this month also brings notable precipitation, with a total of 184 mm (7.2 in) falling over 16 days, contributing to a high humidity level of 87%. As the season transitions, September provides a captivating blend of warmth, moisture, and diverse weather patterns that define the charm of Yokkaichi’s late summer.
September in Yokkaichi, Japan, marks a transition into the more temperate autumn months. As summer wanes, the temperatures start to cool down, with minimums averaging around 13°C (56°F) and averages peaking at a comfortable 24°C (76°F). The heat of August lingers slightly, as maximum temperatures can still reach a sweltering 36°C (97°F), reminiscent of the summer's intensity. This month offers a delightful blend of warmth and mildness, inviting both locals and visitors to enjoy the outdoors before the colder months take hold. With the gradual decline in temperatures, September is an ideal time for experiencing Yokkaichi's vibrant scenery, as nature begins its colorful transformation.
In September, Yokkaichi experiences a notable shift in precipitation patterns, with 184 mm (7.2 in) of rain falling over 16 days. This amount marks a decline from the previous month’s heavy downpours, yet still contributes significantly to the overall wet season. The rainfall continues to be above average compared to the earlier months of the year, emphasizing the transition from the hot summer months to the more temperate fall season. As the city prepares for October's typically heavier rainfall, September serves as a crucial bridge, maintaining Yokkaichi’s lush landscapes and providing ample water for the region’s needs while hinting at the seasonal changes ahead.
In September, Yokkaichi, Japan, experiences a notable humidity level of 87%, reflective of the lingering tropical conditions typical of the late summer months. Following the peak humidity in July at 93%, there is a slight decrease in August, suggesting a gradual transition towards autumn. September's humidity remains high, characteristic of a region where the summer's warmth and moisture still hold sway. As the year progresses, humidity begins to taper off, with noticeable drops in October to 85%, signaling the approach of a drier season. The overall trend illustrates a dynamic climate, with high humidity dominating the warmer months and a gradual leveling off as cooler weather sets in.
As summer draws to a close, the UV Index in Yokkaichi, Japan, begins a gradual decline, yet September still boasts a very high UV Index of 10, with a burn time of just 15 minutes. This marks a slight decrease from the extreme levels of 11 seen in the peak summer months of June through August. The transition to autumn is evident as the UV Index shifts from those intense extremes back toward more moderate levels in the following months. However, it's important to remain vigilant during this time, as sun exposure can still pose risks. For detailed information on the UV Index year-round, visit Yokkaichi UV Index.
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September in Yokkaichi, Japan, basks in a joyful glow with 235 hours of sunshine, marking a gentle transition from the summer's peak. August holds the crown with 292 hours, showcasing the height of summer splendor, while September’s sunlight begins to taper but still outshines earlier months like January and February. The sun's steady presence throughout the year paints a story of gradual increase, peaking in late spring with 283 hours in May, before dipping as autumn approaches. This vibrant trend emphasizes a seasonal rhythm, where the warmth of summer lingers delightfully into September, offering residents and visitors alike a chance to savor the last rays of sunshine before the cooler months set in.
In Yokkaichi, September typically sees a 28% chance of sunny weather, marking it as one of the more overcast months of the year. This percentage reflects a gradual decline from the brighter summer months of July and August, which enjoy approximately 30% and 26% sunny days, respectively. As autumn approaches in October, the likelihood of sunshine notably increases to 52%, hinting at a more favorable climate for outdoor activities. Thus, while September may not be the sunniest month, it serves as a bridge to clearer skies and enjoyable weather in the months to come.
As September unfolds in Yokkaichi, Japan, the daylight duration begins to subtly shift, offering a delightful balance between the lingering warmth of late summer and the encroaching autumn. With approximately 12 hours of daylight, September serves as a gentle transition from the 14 hours seen in June and July, gradually leading into the shorter days of October. This trend highlights a gradual decrease in daylight as the year progresses, reflecting the rhythmic ebb and flow of the seasons. The month shines brightly with an inviting atmosphere, perfect for outdoor activities, while subtly hinting at the cozy days of fall to come.
As September arrives in Yokkaichi, Japan, the gentle caress of the wind signals the transition into autumn. With an average wind speed of 2.4 m/s (5 mph), the breezes gradually soften compared to the summer's peak. Throughout the year, January through April boast steady winds around 3.6 m/s (8 mph), creating a lively atmosphere, but as the seasons shift, there's a noticeable decline. The warmer months see even lower speeds, hitting the year's lowest in July at 2.1 m/s (5 mph). This trend culminates in September, where the region embraces a more subdued yet refreshing breeze, heralding a cooler ambiance as the vibrant hues of fall begin to emerge.
Weather in Yokkaichi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yokkaichi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is significantly warmer, with temperatures ranging from a mild 13°C (56°F) at night to a sweltering 36°C (98°F) during the day, and high humidity levels of 87%. This month experiences a considerable amount of rainfall, with about 184 mm (7.2 in) over roughly 16 days, contributing to a humid atmosphere. In contrast, January brings a stark shift, where the temperatures drop drastically, with a minimum of -6°C (21°F) and a maximum of just 16°C (62°F). This winter month is much drier, with only 50 mm (2.0 in) of precipitation occurring over about 7 days and slightly lower humidity at 82%. For more detailed information about January weather, visit Yokkaichi weather in January.
September and February present contrasting weather patterns. September typically boasts warmer temperatures, with a minimum of 13°C (56°F) and a maximum reaching up to 36°C (98°F). The average temperature is a comfortable 24°C (76°F), but this month also experiences significant rainfall, accumulating 184 mm (7.2 in) over 16 days, accompanied by high humidity levels around 87%. In contrast, February features much colder conditions, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 21°C (69°F) and an average of just 6°C (42°F). Rainfall is lighter in February, totaling only 56 mm (2.2 in) across 5 days, and humidity is slightly lower at 79%. For more detailed information about February's climate, you can visit Yokkaichi weather in February.
September and March showcase distinctly different weather patterns. In September, temperatures can range from a mild 13°C (56°F) to a sizzling 36°C (98°F), with an average of 24°C (76°F). This month experiences high humidity at 87% and significant rainfall, totaling 184 mm (7.2 in) over 16 days. Conversely, March brings a much cooler climate, with temperatures dipping as low as -1°C (31°F) and peaking around 24°C (75°F), yielding an average of just 10°C (50°F). Rainfall is lower in March at 145 mm (5.7 in), occurring over 11 days, and the humidity is a more manageable 74%. For more details on March weather, you can check Yokkaichi weather in March.
September and April present contrasting weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), with an average of 24°C (76°F). The month is characterized by high humidity at 87% and significant precipitation, totaling 184 mm (7.2 in) across 16 days. In contrast, April experiences cooler temperatures, with lows of 0°C (32°F) and highs reaching up to 27°C (81°F), averaging at 14°C (58°F). April sees less rain, with 146 mm (5.7 in) falling over just 10 days and humidity at a milder 76%. For a more detailed overview, check out Yokkaichi weather in April.
September and May present distinctly different weather patterns. In September, temperatures can range from a comfortable 13°C (56°F) to a scorching 36°C (98°F), with an average of 24°C (76°F). The month is marked by high humidity at 87% and considerable precipitation, totaling 184 mm (7.2 in) over 16 rainy days. In contrast, May offers milder conditions, with temperatures ranging from a cool 5°C (42°F) to a warm 31°C (89°F) and an average of 19°C (67°F). The precipitation in May is slightly lower at 173 mm (6.8 in), occurring over just 11 days, while humidity remains relatively constant at 83%. For more detailed information, you can visit Yokkaichi weather in May.
In comparing the weather of September and June, September tends to be slightly warmer with average temperatures reaching up to 24°C (76°F) compared to June’s 23°C (73°F). Both months experience high humidity levels of 87%, ensuring a muggy feel throughout. While September can see maximum temperatures of 36°C (98°F), June’s maximums are a bit lower at 32°C (90°F). Precipitation is relatively similar, with September recording 184 mm (7.2 in) over 16 rainy days and June having 177 mm (7.0 in) over 14 rainy days. For more detailed information, you can refer to Yokkaichi weather in June.
In comparison to July, September experiences slightly cooler temperatures, with minimums around 13°C (56°F) compared to July's minimum of 19°C (67°F) and an average of 24°C (76°F) against July's 27°C (80°F). While both months can reach high temperatures, September peaks at 36°C (98°F), just 1°C lower than July's maximum of 37°C (99°F). However, September sees higher precipitation levels with 184 mm (7.2 in) over 16 rainy days, whereas July is much wetter, totaling 319 mm (12.6 in) over 23 days. Additionally, September's humidity averages 87%, slightly lower than July's 93%. For more detailed insights, check out Yokkaichi weather in July.
In comparing the weather conditions of September to August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), compared to August's warmer temperatures of 19°C (67°F) to 37°C (98°F). While September sees a notable average temperature of 24°C (76°F), it also experiences higher humidity levels at 87%, though this is somewhat less than August's 91%. Precipitation is abundant in both months, with September recording 184 mm (7.2 in) over 16 days, while August has a slightly higher total of 217 mm (8.5 in) over 17 days. This indicates that August is generally wetter despite the relatively milder weather in September. For more details, you can check Yokkaichi weather in August.
September weather is characterized by warmer temperatures, with a minimum of 13°C (56°F) and an average of 24°C (76°F) that can reach a maximum of 36°C (98°F). The month experiences significant rainfall, totaling 184 mm (7.2 in) over 16 days, and high humidity levels at 87%. In contrast, October sees a noticeable drop in temperatures, with a minimum of 7°C (46°F) and an average of 19°C (66°F), peaking at 31°C (88°F). Precipitation increases to 283 mm (11.1 in) across 14 days, while humidity remains relatively stable at 85%. For more detailed insights on October's climate, check Yokkaichi weather in October.
In comparing the weather between September and November, notable differences emerge. September boasts a much warmer temperature range with a minimum of 13°C (56°F) and a scorching maximum of 36°C (98°F), resulting in an average of 24°C (76°F). In contrast, November experiences significantly cooler temperatures, with a minimum of just 3°C (37°F) and a maximum reaching 24°C (76°F), leading to a much lower average of 13°C (55°F). Additionally, September is marked by higher precipitation, totaling 184 mm (7.2 in) over 16 days, while November sees a mere 53 mm (2.1 in) over only 6 days, making it a drier month. Humidity also sees a slight decrease in November at 83%, compared to a high 87% in September. For more detailed information, refer to Yokkaichi weather in November.
September and December present striking contrasts in weather conditions. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), with an average of 24°C (76°F), making it warm and humid with high precipitation of 184 mm (7.2 in) over 16 days. In contrast, December features significantly cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 21°C (70°F), averaging just 7°C (46°F). Precipitation is also lower during this month at 59 mm (2.3 in) over 7 days, and humidity remains relatively high at 83%. For more details, you can check Yokkaichi weather in December.
In September, Yokkaichi transitions into a unique weather pattern, characterized by warm temperatures and a noticeable increase in precipitation compared to the preceding summer months. While daytime highs can still reach uncomfortable levels, the average temperature is more moderate, offering some relief as the city inches towards autumn. The notable rise in humidity often makes the air feel heavier, and with rain gracing the skies for nearly half the month, locals and visitors alike experience a shift in the region's climate. The combination of warmth and frequent showers sets September apart, creating a lush, vibrant atmosphere in Yokkaichi. For a deeper insight into the region’s yearly weather patterns, explore Yokkaichi Climate.