Last updated: August 21, 2025
In September, Kawagoe, Japan, experiences a transition from the sweltering summer heat to more temperate conditions. The maximum temperature can reach a scorching 36°C (97°F), while the average hovers around a comfortable 24°C (75°F). As the month progresses, nights cool down to as low as 13°C (55°F), offering a pleasant respite. However, September is also characterized by significant rainfall, with 185 mm (7.3 in) of precipitation spread over 18 days. The humidity lingers at 86%, contributing to the region's lush greenery and vibrant atmosphere. This blend of warm days, cool nights, and frequent rain showcases the dynamic weather that defines Kawagoe in September.
In September, Kawagoe experiences a delightful transition in weather, marking the gradual shift from summer’s heat to the mildness of autumn. With minimum temperatures around 13°C (55°F) and average highs reaching 36°C (97°F), the month still retains a hint of summer warmth. However, as the days progress, the average temperature settles at a comfortable 24°C (75°F), offering pleasant conditions for outdoor activities. This subtle change is especially welcome after the sweltering heat of August, where averages soared to 28°C (83°F). As September unfolds, residents and visitors alike can enjoy the lingering warmth, making it an ideal time to explore the charming streets and cultural riches of Kawagoe.
In September, Kawagoe, Japan, experiences a significant shift in weather as the rainy season nears its end. With 185 mm (7.3 in) of precipitation over 18 days, it marks one of the wetter months of the year. This spike in rainfall follows the particularly moist month of July, which saw an impressive 240 mm (9.5 in), indicating a pattern of heavy summer rains that seamlessly transition into the fall. September's average rain totals are higher than those in both April and May, reflecting the lingering effects of monsoonal rains and contributing to the lush greenery that characterizes the region. As autumn approaches, the rainfall begins to taper off, setting the stage for the drier months ahead.
September in Kawagoe, Japan, sees a notable humidity level of 86%, reflecting a lingering sense of summer as the warmer months start to wane. This figure is slightly lower than the peak swelter of July and August, where humidity reached a staggering 93% and 90%, respectively. The trend showcases a gradual easing of humidity from the oppressive heat of summer, yet it remains highly noticeable in the transition to autumn. As the year progresses, the humidity starts to decrease further, with October dropping to 83%, suggesting that while September still holds onto summer's remnants, a shift towards more comfortable conditions is on the horizon. The overall fluctuation in humidity highlights Kawagoe’s unique climatic rhythm, making September a month of contrasting humidity and the promise of cooler days ahead.
As September unfolds in Kawagoe, Japan, residents and visitors alike experience a UV Index of 9, categorized as very high. This marks a slight decrease from the peak summer months, yet caution is still warranted, with a relatively brisk burn time of just 15 minutes under the sun. Notably, this month transitions from the extreme levels seen in July and the very high values of August, reflecting a gradual move into milder autumn weather. With the UV levels tapering off, it’s a perfect time to enjoy the outdoors while still being mindful of sun protection. Stay informed about the UV Index throughout the year to help plan safe and enjoyable outdoor activities by checking Kawagoe UV Index.
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As the warm embrace of summer begins to recede, September in Kawagoe, Japan offers a gentle transition with 234 hours of sunshine. This month reflects a notable decline from the peak brightness seen in August, where the sun graced the city with a vibrant 281 hours. Interestingly, September maintains a solid average, comfortably sitting above the more subdued light of prior months like July and June. As the year progresses, sunshine hours begin to dwindle, with October's estimated 206 hours and November's 235 hours indicating the gradual descent into autumn. Overall, September stands as a bridge, showcasing a delicate balance between the lingering warmth of summer and the crispness of the forthcoming seasons.
As summer gives way to autumn, Kawagoe, Japan, experiences a noticeable dip in sunny weather during September, with only a 26% chance of clear skies. This trend reflects a broader pattern where the likelihood of sunshine steadily decreases from the vibrant days of July and August, which hover around the low thirties. Following September, the chances of sunny days begin to rebound slightly, reaching 50% in October. Overall, those hoping for sunny excursions in September may want to keep an umbrella handy, as the city transitions into fall and the weather becomes increasingly unpredictable.
As the seasons change in Kawagoe, Japan, September greets residents with a delightful 12 hours of daylight, marking a subtle transition from the summer months. Following the peak of 14 hours experienced in June and July, the daylight begins to wane, reflecting the gradual shift toward autumn. This ebb in daylight hours from August's 13 hours to September's 12 hours showcases a trend where longer days in the spring and summer give way to shorter winter days, with January and December boasting only 9 hours of sunlight. This rhythmic cycle not only influences the natural scenery but also sets the stage for seasonal activities, as residents embrace the rich colors and cooler temperatures that accompany the shorter days ahead.
As September arrives in Kawagoe, Japan, the gentle whispers of the wind reflect the shifting season, with an average speed of 2.1 m/s (5 mph). This marks a gradual decline from the warmer summer months, where July recorded its calmest winds at 1.8 m/s (4 mph), picking up slightly in August. Interestingly, the winds tend to dance around the 2 m/s mark during this time of year, hinting at a transitional phase as nature prepares for the cooler months ahead. With October bringing a slight increase to 2.4 m/s (5 mph), the city embraces the crispness of autumn, while retaining the soft breezes characteristic of summer's end. This continuous ebb and flow of wind speeds not only shapes the climate but also adds a unique charm to Kawagoe's seasonal ambiance.
Weather in Kawagoe varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kawagoe, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather patterns. September boasts warmer temperatures, with averages around 24°C (75°F) and maximums reaching 36°C (97°F), alongside high humidity levels of 86%. The month also experiences considerable rainfall, totaling 185 mm (7.3 in) over 18 days. In contrast, January is chilly, featuring a minimum temperature of -6°C (22°F), an average of just 5°C (40°F), and maximums at 18°C (65°F). January is notably drier, with only 41 mm (1.6 in) of precipitation spread over just 4 days, and a lower humidity of 76%. For more specific insights into January weather, consider visiting Kawagoe weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures soar with a minimum of 13°C (55°F) and an average high of 36°C (97°F), accompanied by significant humidity at 86%. This month also sees considerable rainfall, with 185 mm (7.3 in) falling over 18 days. In contrast, February offers a cooler climate, with minimum temperatures dipping to -5°C (24°F) and an average high of just 21°C (71°F). The precipitation is much lighter in February, totaling only 40 mm (1.6 in) over six days, and the humidity is lower at 74%. For more detailed weather conditions in February, visit Kawagoe weather in February.
Comparing the weather in September and March reveals significant differences in temperature and precipitation patterns. September boasts a much warmer climate, with average temperatures reaching 24°C (75°F) and maximums soaring up to 36°C (97°F). In contrast, March experiences cooler conditions, with an average temperature of only 10°C (50°F) and night-time lows dropping to -3°C (26°F). Additionally, September sees considerably more rainfall, totaling 185 mm (7.3 in) over 18 days, compared to March, which records 120 mm (4.7 in) of rain over just 10 days. The humidity levels are also higher in September at 86%, while March holds a lower humidity of 70%. For more details on March weather in Kawagoe, you can check out Kawagoe weather in March.
When comparing the weather in September and April, we see significant differences in temperature and precipitation. September features a wide temperature range with a minimum of 13°C (55°F) and a maximum of 36°C (97°F), resulting in a warm average of 24°C (75°F). In contrast, April has a cooler climate, with temperatures ranging from a chilly 1°C (33°F) to a pleasant 29°C (84°F) and an average of only 14°C (58°F). Additionally, September experiences more rainfall, with 185 mm (7.3 in) over 18 days, while April has less precipitation at 110 mm (4.3 in) over just 10 days. The humidity is notably higher in September at 86%, compared to April's 74%. For more detailed information, you can check Kawagoe weather in April.
When comparing the weather in September and May, it's evident that September is generally warmer and more humid. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 36°C (97°F), with an average temperature of 24°C (75°F). This month also experiences significant rainfall, with 185 mm (7.3 in) over 18 days and a high humidity level of 86%. In contrast, May offers cooler conditions, with temperatures ranging from a low of 6°C (42°F) to a high of 33°C (92°F), and an average temperature of 20°C (68°F). May sees less precipitation, totaling 110 mm (4.3 in) over 12 days, and lower humidity at 81%. For more detailed weather information, you can check Kawagoe weather in May.
In comparing September and June weather, both months experience similar minimum temperatures, with September averaging at 13°C (55°F) and June slightly warmer at 13°C (56°F). The average temperature in September reaches 24°C (75°F), just a bit warmer than June's average of 23°C (73°F). However, September boasts higher maximum temperatures, peaking at 36°C (97°F) compared to June's maximum of 34°C (93°F). Precipitation is notably higher in September, with 185 mm (7.3 in) falling over 18 days, while June sees 149 mm (5.9 in) across 15 days. Humidity levels are also quite high, with September at 86% and June slightly higher at 88%. For more detailed information, you can check Kawagoe weather in June.
In September, the weather tends to be slightly cooler than in July, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 36°C (97°F) and an average of 24°C (75°F). In comparison, July features higher temperatures, with a minimum of 17°C (63°F), an average of 26°C (80°F), and a peak at 39°C (103°F). Precipitation levels are also noteworthy; September receives 185 mm (7.3 in) over 18 days, while July has a higher precipitation total of 240 mm (9.5 in) across 19 days. Additionally, humidity in July is slightly greater at 93%, compared to September's 86%. For more information on the weather during July, you can visit this link: Kawagoe weather in July.
In comparing the weather of September to that of August, we notice a drop in average temperatures, with September experiencing a minimum of 13°C (55°F) and an average of 24°C (75°F), while August has a higher minimum of 17°C (63°F) and an average of 28°C (83°F). Although September records slightly lower maximum temperatures, peaking at 36°C (97°F) compared to August's 37°C (99°F), it presents a higher level of precipitation, amounting to 185 mm (7.3 in) over 18 days, in contrast to August's 119 mm (4.7 in) across just 13 rainy days. Additionally, humidity levels remain high in both months, with September averaging 86% and August slightly higher at 90%. For more details, visit Kawagoe weather in August.
In September, the weather is typically warmer, with average temperatures around 24°C (75°F) and highs reaching up to 36°C (97°F). This month also sees a significant amount of rainfall, totaling 185 mm (7.3 in) over 18 days, accompanied by high humidity levels around 86%. In contrast, October experiences a notable drop in temperatures, with averages falling to 18°C (65°F) and maximums of 31°C (88°F). While October brings slightly increased rainfall of 258 mm (10.2 in) distributed over 15 days, it maintains a relatively lower humidity of 83%. For a more detailed look at what to expect, you can visit Kawagoe weather in October.
September and November present stark contrasts in weather patterns. In September, temperatures can soar to a high of 36°C (97°F), with an average of 24°C (75°F) and a notably high humidity of 86%. Rainfall is frequent, occurring on 18 days and accumulating to 185 mm (7.3 in), making it one of the wetter months. In contrast, November sees much cooler temperatures, with highs only reaching 24°C (75°F) and dropping to a chilly minimum of -1°C (31°F). This month experiences significantly less rainfall, totaling just 54 mm (2.1 in) over 7 days, along with a humidity level of 80%. The shift from warm, humid days in September to the crisp, cooler climate of November is quite pronounced. For more specific details, you can check Kawagoe weather in November.
September and December present a striking contrast in weather conditions. September typically boasts warmer temperatures, with a minimum of 13°C (55°F) and an average high reaching up to 36°C (97°F). This month also sees significant rainfall, accumulating around 185 mm (7.3 inches) over 18 days, paired with high humidity levels averaging 86%. In contrast, December experiences much cooler temperatures, with lows dropping to -3°C (26°F) and a comfortable average high of 21°C (69°F). Precipitation is considerably lower in December, totaling just 42 mm (1.6 inches) over only 5 days, and the humidity decreases to 78%. For more details on December weather, you can visit Kawagoe weather in December.
As September unfolds in Kawagoe, the weather exhibits a distinct shift from the sizzling summer months, presenting a comfortable escape with average temperatures settling around 24°C (75°F). The days, though still warm, are tempered by increasing humidity levels that can make it feel a bit muggy at times. While rainfall becomes more frequent—spanning nearly two-thirds of the month—the vibrant green of the landscape flourishes, creating a picturesque backdrop against the typical urban charm of Kawagoe. This transitional month transitions you into autumn, with lower nights bringing refreshing breezes that contrast sharply with the high summer heat. To delve deeper into Kawagoe's annual climatic trends, check out Kawagoe Climate.