Last updated: August 21, 2025
In Suzuka, Japan, September ushers in a mix of warmth and humidity, with temperatures reaching a maximum of 36°C (98°F) and averaging around 24°C (76°F). The month experiences significant rainfall, accumulating 184 mm (7.2 in) over 16 days, contributing to a notable humidity level of 87%. While the air can feel quite muggy, cooler evenings with a minimum temperature of 13°C (56°F) provide a refreshing contrast, making September a unique transition into autumn in this vibrant city.
In September, Suzuka, Japan experiences a delightful transition as summer fades into autumn. With minimum temperatures around 13°C (56°F) and an average of 24°C (76°F), the month brings a welcome mildness compared to the sweltering heat of July and August. The maximum temperatures can peak at an impressive 36°C (98°F), ensuring that summer’s warmth lingers just a little longer. This period marks a shift, as the early part of the month can still feel quite summery, while towards its end, a crispness gradually sets in, hinting at the cooler days of October ahead. It’s a perfect time for outdoor adventures, where the weather is often just right for enjoying Suzuka’s scenic beauty.
In September, Suzuka experiences a substantial precipitation total of 184 mm (7.2 in) over 16 days, marking a continuation of the wet conditions that characterize the late summer and early autumn months. This rainfall, while lower than the July peak of 319 mm (12.6 in), still significantly contributes to a gradual increase in moisture levels after the drier August, which received 217 mm (8.5 in) over 17 days. The trend of frequent rainy days persists into September, maintaining a rhythm that keeps the region lush and vibrant. As the month nears its end, the precipitation levels prepare the landscape for the wetter October, noted for its 283 mm (11.1 in) of rainfall, hinting at an evolving climate pattern that emphasizes the importance of September as a transitional period in Suzuka's weather cycle.
In September, humidity levels in Suzuka, Japan begin to transition from the sweltering summer months, registering at 87%. This slight decrease follows the peak levels seen in July and August, where humidity soared to 93% and 91%, respectively. As autumn sets in, the humidity remains relatively high compared to earlier months, with January at 82% and February at 79%, indicating a gradual cooling trend. The consistently elevated humidity from June through September highlights Suzuka's tropical climate, making it a notable feature of the region's weather pattern. As October approaches, a further drop to 85% suggests a continued decline, paving the way for more comfortable conditions in the fall.
In September, Suzuka experiences a UV Index of 10, placing it in the very high exposure category, with a burn time of just 15 minutes. This marks a slight decrease from the summer peak of 11, yet it still signals a need for vigilance against sun exposure as autumn approaches. The trend shows that after a summer of extreme UV levels, the index begins to dip, yet remains hazardous. As the weather transitions, embracing sun protection becomes increasingly important for outdoor activities. For further details about the UV Index in Suzuka throughout the year, visit Suzuka UV Index.
UV Risk Categories
September in Suzuka, Japan, showcases a vibrant transition into autumn with 235 hours of sunshine, a notable shift from the blistering peak of 292 hours in August. The month serves as a bridge, as daylight begins to wane further into fall while still enjoying a commendable amount of sun, especially compared to the colder months ahead. This trend of decreasing sunshine hours continues into October and November, both at 231 hours, indicating a steady decline as the year draws to a close. However, September's warmth lingers, allowing for a delightful blend of summer's brightness and the crispness of early autumn, perfect for enjoying the beauty of Suzuka’s landscapes.
In Suzuka, Japan, September sees a slight dip in sunny weather, with a 28% chance of clear skies. This marks a notable decrease from the sunnier months of January and October, which hover around the 53% and 52% chances respectively. Following the summer, when the likelihood of sunny days peaks around July and August, September transitions the city into the more temperate months. Although the chances of sunshine are not as promising, September still offers a refreshing change, ushering in the vibrant hues of autumn, accompanied by the occasional sunny day.
As September arrives in Suzuka, Japan, daylight begins to wane slightly, offering 12 hours of light each day. This gradual decline from the summer's peak of 14 hours in June and July reflects the transition into autumn. While September still provides ample sunshine, it marks the beginning of a subtler shift; as summer's long days retreat, the city starts to experience cooler evenings and the enchanting hues of fall foliage. This trend of decreasing daylight continues steadily into the months ahead, with October bringing 11 hours and November and December further reducing to 10 and 9 hours, respectively. Thus, September serves as a bridge, blending the lingering warmth of summer with the crispness of autumn, inviting residents to enjoy the last golden rays before shorter days set in.
As September arrives in Suzuka, Japan, the gentle caress of the wind begins to reflect the transition from summer's warmth to autumn's embrace. With an average wind speed of 2.4 m/s (5 mph), September experiences a slight dip in breeze compared to the preceding months. This trend of decreasing wind speed is noticeable as the year progresses, peaking in the chill of winter with 3.4 m/s in January and steadily declining during the sweltering summer months. The faint whispers of September's wind hint at the calming shift of seasons, offering a subtle reminder of nature's rhythmic cycle as it prepares for the vibrant colors and crisp air of fall.
Weather in Suzuka varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Suzuka, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly contrasting weather conditions. In September, temperatures range from a mild 13°C (56°F) to a sweltering 36°C (98°F), with an average of 24°C (76°F). This month also experiences significant rainfall, totaling 184 mm (7.2 in) over 16 rainy days and high humidity at 87%. In contrast, January brings much colder temperatures with a minimum of -6°C (21°F) and a maximum of 16°C (62°F), averaging just 5°C (41°F). Precipitation is lower in January, totaling 50 mm (2.0 in) over about 7 rainy days, accompanied by 82% humidity. For a detailed look at the winter conditions, you can check Suzuka weather in January.
September and February present stark contrasts in weather conditions. In September, the temperatures can soar, with minimums at 13°C (56°F) and maximums reaching up to 36°C (98°F), while the month is marked by significant precipitation of 184 mm (7.2 in) over approximately 16 days, contributing to high humidity levels of 87%. Conversely, February's temperatures are much cooler, ranging from a minimum of -6°C (22°F) to a maximum of 21°C (69°F), with average temperatures around 6°C (42°F). The month is relatively drier, receiving only 56 mm (2.2 in) of precipitation over about 5 days, and the humidity is slightly lower at 79%. For an in-depth look at February weather, you can visit Suzuka weather in February.
September and March present contrasting weather patterns that reflect the transition between seasons. In September, temperatures range from a minimum of 13°C (56°F) to a scorching maximum of 36°C (98°F), combining high humidity at 87% and significant precipitation of 184 mm (7.2 in) over 16 days. In contrast, March experiences much cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 24°C (75°F), and lower humidity at 74%. Precipitation in March is also reduced, totaling 145 mm (5.7 in) over just 11 days. For a more detailed look at March weather, visit Suzuka weather in March.
In comparing the weather of September and April, a distinct difference in temperature is evident. September boasts a warm average of 24°C (76°F) with maximum highs reaching up to 36°C (98°F), while April's temperatures are much cooler, averaging 14°C (58°F) with highs of 27°C (81°F) and a chilly minimum of 0°C (32°F). Additionally, September experiences more precipitation, with 184 mm (7.2 in) spread across 16 days, compared to April's 146 mm (5.7 in) over just 10 days. The humidity in September is notably higher at 87%, whereas April's levels are slightly lower at 76%. For a deeper look into the specifics of April's weather, you can check out Suzuka weather in April.
September and May exhibit notable differences in weather patterns. September tends to be warmer, with average temperatures reaching 24°C (76°F) and highs peaking at 36°C (98°F), while May has milder temperatures, averaging 19°C (67°F) and maxing out at 31°C (89°F). Additionally, September experiences more rainfall, with precipitation occurring on 16 days and totaling 184 mm (7.2 in), compared to May's 173 mm (6.8 in) across just 11 days. Humidity levels are also slightly higher in September at 87%, compared to May's 83%. For more detailed information, you can check Suzuka weather in May.
In comparing the weather between September and June, both months exhibit similar humidity levels at 87%, creating a consistently muggy atmosphere. September tends to be warmer, with average temperatures peaking at 24°C (76°F) and maximums reaching 36°C (98°F), compared to June's average of 23°C (73°F) and maximum of 32°C (90°F). Precipitation levels are largely comparable, with September receiving 184 mm (7.2 in) over 16 days, while June has slightly less at 177 mm (7.0 in) across 14 days. This means September is slightly wetter, although both months are characterized by frequent rain. For more detailed insights, you can check out the Suzuka weather in June.
In comparing the weather of September and July, September generally experiences slightly cooler temperatures, with average highs of 24°C (76°F) compared to July's average of 27°C (80°F). However, both months can hit high maximums, with July reaching as much as 37°C (99°F), just slightly higher than September's peak of 36°C (98°F). Precipitation is notably higher in July, accumulating 319 mm (12.6 in) over 23 days, whereas September sees 184 mm (7.2 in) across 16 days. Additionally, humidity levels are higher in July at 93%, compared to September's 87%. For a more detailed look at July conditions, check out Suzuka weather in July.
In comparing the weather between September and 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), while August shows a warmer average, with temperatures ranging from 19°C (67°F) to a peak of 37°C (98°F). Additionally, September experiences a reduction in total precipitation, with 184 mm (7.2 in) over 16 rainy days, contrasting with August's 217 mm (8.5 in) spread over 17 days. Humidity levels are also slightly lower in September at 87%, compared to the higher 91% observed in August. For a deeper insight into August weather patterns, visit Suzuka weather in August.
In September, temperatures in Suzuka 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 marked by significant rainfall, accumulating 184 mm (7.2 in) over 16 days, resulting in high humidity levels of 87%. In contrast, October sees a drop in temperatures, with a minimum of 7°C (46°F) and a peak of 31°C (88°F), averaging around 19°C (66°F). Rainfall increases to 283 mm (11.1 in) over 14 days, while humidity remains relatively steady at 85%. For more insights, check out Suzuka weather in October.
September and November present a notable contrast in weather. September features warmer temperatures, with a minimum of 13°C (56°F) and an average of 24°C (76°F), while November cools down significantly, with a minimum of 3°C (37°F) and an average of just 13°C (55°F). In terms of precipitation, September is much wetter, receiving 184 mm (7.2 in) over 16 days compared to November's 53 mm (2.1 in) over only 6 days. Additionally, humidity levels remain relatively high in both months, with September at 87% and November slightly lower at 83%. For a detailed look at November's weather, you can visit Suzuka weather in November.
September and December present a stark contrast in weather conditions. In September, temperatures range from a comfortable minimum of 13°C (56°F) to a sweltering 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 rainfall, accumulating 184 mm (7.2 in) over about 16 days. In contrast, December experiences much cooler temperatures, with a minimum of -2°C (28°F) and an average around 7°C (46°F), peaking at 21°C (70°F). Precipitation drops significantly to 59 mm (2.3 in) over just 7 days, while humidity remains relatively high at 83%. For further details on December weather patterns, you can visit Suzuka weather in December.
As September rolls in, Suzuka experiences a notable transition in weather, characterized by a blend of warmth and humidity that distinguishes it from the milder summer months. The temperatures often peak at a steamy average, while the increased humidity can make the heat feel even more intense. With a significant amount of precipitation spread over multiple days, September tends to be one of the wetter months, inviting a lush vibrancy to the landscape. This combination of warmth and rain not only enhances the local flora but also adds a touch of unpredictability to outdoor plans. For a deeper dive into the weather patterns of Suzuka, visit Suzuka Climate.