Last updated: August 21, 2025
In September, Uji, Japan experiences a dynamic climate marked by a maximum temperature of 34°C (94°F), leading to warm days that shift to cooler evenings with an average temperature of 23°C (75°F). With a minimum temperature dipping to 12°C (54°F), residents and visitors alike can enjoy a range of conditions. However, this month also brings significant precipitation, amounting to 172 mm (6.8 in) across 15 days, contributing to a high humidity level of 87%. This combination of warmth and moisture sets the stage for a lush and vibrant environment, characteristic of the late summer transition into autumn in this picturesque region.
In September, Uji, Japan, experiences a notable transition as the warmth of summer begins to wane. With minimum temperatures around 12°C (54°F) and averages reaching 23°C (75°F), the city offers a comfortable climate ideal for outdoor activities. Highs can soar to 34°C (94°F), allowing for those final days of sun-soaked exploration before the cooler months approach. This shift marks a significant drop from the intense heat of August, where temperatures often peaked at 37°C (98°F). As the month progresses, residents and visitors alike can expect a more temperate environment, making it a perfect time to enjoy Uji's beautiful landscapes and rich cultural heritage.
September in Uji, Japan, sees a significant precipitation amount of 172 mm (6.8 in), making it one of the wetter months of the year. Falling on 15 days, this rainfall contributes to the lush landscapes characteristic of the region, following the much heavier deluge experienced in July. As summer transitions into autumn, the precipitation begins to taper off, yet September still clings to that late-season humidity. This blend of rainfall and the onset of cooler temperatures creates a vibrant atmosphere, perfect for the changing leaves and rich cultural events. The trend indicates a gradual decrease in precipitation as the year progresses, leading into the drier months of November and December.
In September, Uji, Japan, experiences a humidity level of 87%, which is noticeably lower than the peak summer months of July and August but still reflects the lingering warmth of late summer. This slight decrease marks a transition from the oppressive humidity of summer, contributing to a more comfortable atmosphere as fall approaches. Throughout the year, humidity levels in Uji fluctuate significantly, peaking in the sweltering months of July and August at 93% and 91%, respectively. Interestingly, the year begins with high humidity as well, notably 82% in January, but as spring progresses into early summer, values increase to their highest before gradually tapering off in the cooler months. The overall trend illustrates a cyclical pattern, with high humidity dominating the warmer months, transitioning into more moderate levels as winter nears.
As September rolls into Uji, Japan, the UV Index remains notably high at 10, categorized as very high, which translates to a burn time of just 15 minutes for unprotected skin. This slight dip from the extreme levels seen during the peak summer months—where the UV Index hit a formidable 11—suggests a gradual easing of summer's intensity. However, sun safety remains essential, as the late-summer sun can still deliver significant ultraviolet rays. This trend indicates that while outdoor activities may beckon, it's crucial to stay informed and protected throughout the month. For more detailed information about UV Index levels in Uji, visit Uji UV Index.
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As the summer months draw to a close in Uji, Japan, September brings with it a generous 236 hours of sunshine, a delightful continuation of the bright weather experienced throughout August, which boasted an impressive 295 hours. This transition signals a gradual decline in daylight, as the region shifts from the peak sunlight of early summer. Drawing from the year's progression, sunshine hours steadily increased from January's 176 hours, peaking in May before gradually tapering off through the fall. While September’s sunlight might be less than August's exuberance, it still outshines the more muted days of October and November, creating an ideal backdrop for enjoying Uji's stunning landscapes and serene atmosphere.
In Uji, Japan, the likelihood of sunny weather in September stands at a modest 27%, reflecting a slight dip in sunshine compared to the earlier summer months. While this percentage indicates that sun-filled days are less common than in the peak summer months of July and August, it’s still a favorable time for those seeking outdoor enjoyment before autumn sets in. As the year progresses, there’s a noticeable increase in sunny days, with October boasting a significant 51% chance, highlighting a trend of clearer skies as the seasons shift. Despite September’s less sunny reputation, it offers a serene beauty, inviting visitors and locals alike to appreciate the early whisper of fall.
As September unfolds in Uji, Japan, daylight begins to wane, with the sun gracing the sky for approximately 12 hours each day. This marks a gentle decline from the peak of 14 hours enjoyed in June and July. Following the vibrant hues of summer, autumn's arrival is subtly hinted at by the slight reduction in daylight, paving the way for cooler temperatures and shorter days. Notably, the transition from summer to autumn showcases a gradual yet consistent ebb in sunlight, with daylight diminishing by an hour compared to the previous month. This rhythm of changing light underscores the cyclical nature of the seasons, setting the stage for the cozy days of fall ahead.
In September, Uji enjoys a gentle breeze, with an average wind speed of 2.2 m/s (5 mph), complementing the onset of autumn. As the year progresses, the wind slows notably during the summer months, reaching a low of 1.9 m/s (4 mph) in June before gradually picking up again. The trend shows a slight increase in wind speeds as the seasons transition, with October and November maintaining similar levels at 2.4 m/s (5 mph). Overall, the cooler months herald a subtle return to the more refreshing winds of early spring, making September’s calm breezes a serene prelude to the vibrant fall foliage that Uji is famous for.
Weather in Uji varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Uji, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 12°C (54°F) to a soaring maximum of 34°C (94°F), with an average of 23°C (75°F). The month is notably humid, with 87% humidity and substantial precipitation of 172 mm (6.8 in) over about 15 days. In contrast, January experiences frigid temperatures, with a minimum of -7°C (19°F) and a maximum of 16°C (60°F), averaging only 4°C (39°F). The winter month sees significantly less precipitation at 56 mm (2.2 in) spread over 9 days and slightly lower humidity at 82%. For more detailed information, you can visit Uji weather in January.
In comparing the weather of September and February, we can observe significant differences in temperature and precipitation. September boasts a warm climate, with average temperatures around 23°C (75°F) and maximums that can reach up to 34°C (94°F). This month is also characterized by high humidity at 87% and frequent rainfall, with precipitation recorded on 15 days totalling 172 mm (6.8 in). In contrast, February presents a much colder environment, with average temperatures dropping to just 4°C (40°F) and nighttime lows plummeting to -8°C (18°F). The precipitation is considerably less, totaling 62 mm (2.5 in) over 9 days, accompanied by lower humidity at 79%. For a more detailed look at February's weather conditions, you can visit Uji weather in February.
September and March present notably different weather patterns. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 23°C (75°F). This month experiences substantial rainfall, totaling 172 mm (6.8 in) across approximately 15 days, along with high humidity at 87%. In contrast, March experiences a much cooler climate, with temperatures fluctuating between -3°C (27°F) and 23°C (73°F), averaging around 9°C (48°F). Precipitation in March is lower at 125 mm (4.9 in) over about 12 days, and humidity is more moderate at 74%. For more insights on March weather, check out Uji weather in March.
When comparing the weather in September and April, it's clear that September tends to be much warmer, with average temperatures reaching 23°C (75°F) compared to April's 13°C (56°F). The highs in September can soar up to 34°C (94°F), whereas April’s maximum temperature is significantly lower at 26°C (80°F). However, September also brings increased humidity at 87% and more frequent rain, experiencing precipitation on 15 days with a total of 172 mm (6.8 in). In contrast, April enjoys slightly less precipitation, totaling 157 mm (6.2 in) over 11 days, with a more comfortable humidity level of 76%. For those interested in experiencing April's weather in detail, you can find more information here: Uji weather in April.
September and May present contrasting weather conditions. In September, temperatures range from a cool 12°C (54°F) to a high of 34°C (94°F), with an average of 23°C (75°F). The month is characterized by humidity levels around 87% and substantial rainfall, totaling 172 mm (6.8 in) over approximately 15 days. In contrast, May offers milder temperatures, with a minimum of 4°C (39°F) and a maximum of 31°C (88°F), averaging 18°C (66°F). Rainfall in May is slightly less, at 154 mm (6.1 in), with precipitation occurring over 12 days and humidity at 83%. For more specific details about the weather in May, visit Uji weather in May.
When comparing the weather in September and June, both months exhibit similar humidity levels at 87%, contributing to a muggy atmosphere. September tends to be slightly warmer, with average temperatures reaching 23°C (75°F), while June averages around 22°C (72°F). Additionally, September experiences higher maximum temperatures, peaking at 34°C (94°F) compared to June's maximum of 32°C (89°F). Precipitation is also comparable, with September receiving 172 mm (6.8 in) over 15 days and June recording 161 mm (6.3 in) over 14 days. For more detailed information, you can check this link: Uji weather in June.
When comparing the weather in September and July, notable differences emerge. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 23°C (75°F). In contrast, July features warmer conditions, with a minimum of 19°C (66°F) and a maximum of 37°C (98°F), leading to a higher average of 26°C (79°F). Additionally, July experiences significantly more precipitation, accumulating 324 mm (12.7 in) over 22 days, while September has 172 mm (6.8 in) over 15 days. Humidity levels are also slightly higher in July at 93%, compared to 87% in September. For a deeper look at the conditions in July, you can visit Uji weather in July.
In comparing the weather between August and September, it's clear that August tends to be hotter and more humid. The average temperature in August reaches 28°C (82°F), with maximums soaring to 37°C (98°F), while September's averages cool down to 23°C (75°F), peaking at 34°C (94°F). Precipitation is also higher in August, totaling 228 mm (9.0 in) over 14 days, compared to September's 172 mm (6.8 in) over 15 days. Humidity remains relatively high in both months, but is slightly more intense in August at 91%, compared to September's 87%. For more detailed insights, you can check Uji weather in August.
September and October display a notable shift in weather patterns. September boasts warmer temperatures, with a minimum of 12°C (54°F) and an average of 23°C (75°F), while October cools down significantly, featuring a minimum of 6°C (43°F) and an average of 18°C (64°F). Although October's maximum temperature reaches up to 32°C (89°F), it is generally cooler than September's peak of 34°C (94°F). Precipitation increases in October, accumulating 246 mm (9.7 in) over 13 days compared to September's 172 mm (6.8 in) over 15 days. Humidity remains relatively stable, slightly decreasing from 87% in September to 85% in October. For a closer look at October weather specifics, you can check Uji weather in October.
In September, the weather is marked by warm temperatures, with averages around 23°C (75°F) and highs reaching up to 34°C (94°F). This month also sees significant rainfall, with 172 mm (6.8 in) of precipitation over 15 days, contributing to a humid atmosphere with levels around 87%. In contrast, November brings much cooler temperatures, with minimums dipping to -1°C (31°F) and averages falling to 12°C (53°F), while the maximums reach a pleasant 24°C (76°F). Precipitation drops significantly to 47 mm (1.8 in) spread over just 6 days, and humidity decreases slightly to 83%. For more details, visit Uji weather in November.
September and December showcase stark contrasts in weather conditions. In September, temperatures can reach a sweltering maximum of 34°C (94°F), with an average of 23°C (75°F) and relatively high humidity at 87%. The month is characterized by significant rainfall, totaling 172 mm (6.8 in) over about 15 days. In contrast, December experiences much colder temperatures, with a maximum reaching just 21°C (71°F) and an average of 6°C (43°F), dropping to a minimum of -9°C (17°F). While December has less precipitation, totaling 66 mm (2.6 in) over approximately 9 days, the humidity is still considerable at 83%. For an in-depth look at December's climate, you can check this link: Uji weather in December.
As September unfolds in Uji, the transition to cooler temperatures signifies a refreshing change from the hot summer months. With average highs reaching a comfortable 23°C and a noticeable humidity level at 87%, the air feels crisp yet inviting. However, this month is also characterized by frequent rainfall, occurring on about half the days, which contributes to the notable precipitation total of 172 mm. Such weather patterns make September a unique blend of lingering warmth and refreshing showers, setting it apart from the drier summer months. For a deeper dive into Uji's climate throughout the year, be sure to check out Uji Climate.