Last updated: August 21, 2025
In September, the enchanting region of Arashiyama, Japan, experiences a diverse climate, highlighted by a maximum temperature reaching up to 34°C (94°F) and an average of 23°C (75°F), providing a warm backdrop for travelers. Nights offer a refreshing coolness with temperatures dipping to a minimum of 12°C (54°F). However, this month is also characterized by significant precipitation, totaling 172 mm (6.8 in) over approximately 15 rainy days, contributing to the area's lush vegetation. With humidity levels soaring at 87%, the atmosphere feels both tropical and vibrant, making it an ideal time to witness the stunning natural beauty that Arashiyama is renowned for, from its iconic bamboo groves to tranquil river views.
In September, Arashiyama, Japan, experiences a delightful transition into autumn, with temperatures gradually cooling but still offering warmth. The minimum temperature hovers around 12°C (54°F), while the average reaches a pleasing 23°C (75°F), and the maximum can soar to 34°C (94°F). This month often marks the shift from the intense summer heat, evident as September's average is notably cooler than the preceding months of July and August, which see maximums hitting 37°C (98°F). Visitors can enjoy comfortable weather for exploring Arashiyama's breathtaking scenery, making it an ideal time to immerse in the beauty of the changing leaves and outdoor attractions.
In September, Arashiyama experiences a significant shift in its weather patterns, with precipitation measuring 172 mm (6.8 in) over an average of 15 days, marking it as one of the wetter months of the year. This follows a particularly heavy rainy period in July, which recorded an impressive 324 mm (12.7 in), and a still substantial 228 mm (9.0 in) in August. The trend shows a gradual decline from the late summer deluges, yet September remains a robust month for rainfall, indicating the lingering effects of the monsoon season. As autumn approaches, the frequency of rain slightly decreases, but the lush landscapes of Arashiyama continue to thrive, showcasing the dynamic interplay between precipitation and the region's stunning natural beauty.
As summer transitions into autumn, September in Arashiyama, Japan, maintains a high level of humidity at 87%, reflecting the lingering warmth of the season. This month typically follows the peak humidity of July and August, which soar to 93% and 91%, respectively. The gradual decline in humidity from the summer months signals a shift towards more comfortable conditions, yet it still retains a noticeable moisture level. Following September, October brings a slight drop to 85%, setting the stage for the drier, cooler months ahead. Overall, September offers a blend of sweltering summer remnants and the promise of autumn's arrival, making it a unique time to experience Arashiyama's natural beauty.
In September, Arashiyama, Japan, experiences a UV Index of 10, placing it in the very high exposure category, with a burn time of just 15 minutes. As the summer months come to a close, the UV levels slightly decline from the extreme highs of June to August, which consistently recorded a peak UV Index of 11. Despite this decrease, the risk remains significant, emphasizing the need for sun protection if spending time outdoors. This trend highlights the importance of being vigilant about UV exposure as the season changes, reminding visitors to be prepared. For more details, check out the detailed information here: Arashiyama UV Index.
UV Risk Categories
September brings a delightful 236 hours of sunshine to Arashiyama, Japan, marking a subtle transition from the sultry peak of summer. Following the exuberant 295 hours of August, this dip in sunlight heralds the arrival of a milder autumn, capturing the essence of seasonal change. As daylight hours begin to decline, they still remain generous compared to earlier months, with spring and summer showcasing their dominance with totals ranging from 255 to 285 hours. This gentle reduction in sunshine heralds a cozy time for reflection amidst the vibrant hues of fall, while also indicating a gradual approach toward the cooler, less sunlit months of October and November, both around 231 and 229 hours respectively. Embrace the softer glow of September as Arashiyama transitions into its autumnal beauty, providing a picturesque backdrop for visitors and locals alike.
As September rolls in, the chances of enjoying sunny weather in Arashiyama, Japan, offer a slight uptick with a 27% probability of sunshine. This marks a modest recovery from the drier summer months of July and August, where sunny days were less frequent at 29% and 24%, respectively. Interestingly, September's likelihood is part of a broader trend where autumn months begin to present better odds for clear skies, culminating in October's 51% chance. While still lower than the peak sunny months of late autumn, September hints at the gradual transition towards more favorable weather, making it a promising time to explore the natural beauty of Arashiyama.
In Arashiyama, Japan, September marks a transition in daylight duration, providing about 12 hours of light—a gradual decrease from the summer months. Following June and July's peak at 14 hours, August still offers a generous 13 hours before the days shorten into autumn. This trend reflects a natural shift as the vibrant days of summer yield to the cooler, crisper air of fall, with October bringing another decline to 11 hours of daylight. The pattern underscores the rhythm of the seasons, painting a picturesque backdrop for the rich hues of autumn foliage that the region is renowned for.
As September arrives in Arashiyama, Japan, the gentle whisper of the wind settles into a tranquil rhythm, averaging 2.2 m/s (5 mph). This modest breeze reflects a noticeable trend seen throughout the year, characterized by a gradual decline from the early spring months, where winds were brisker at 3.0 m/s (7 mph). As the summer heat peaks, wind speeds fall to their lowest in June, which only records 1.9 m/s (4 mph), before slightly recovering in September. While the winds may not be the strongest in this transitional month, they provide a delicate backdrop to the stunning autumn foliage and serene moments, inviting visitors to embrace the peaceful charm of Arashiyama’s landscape. As the season shifts towards October, a subtle increase is noted, hinting at the refreshing changes that the autumn months will bring.
Weather in Arashiyama varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Arashiyama, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures boast a minimum of 12°C (54°F) and can peak at a scorching 34°C (94°F), with an average temperature hovering around 23°C (75°F). The month is also characterized by high humidity at 87% and substantial precipitation of 172 mm (6.8 in) over approximately 15 days. In sharp contrast, January experiences a significant drop in temperature, ranging from a frigid minimum of -7°C (19°F) to a maximum of 16°C (60°F), with an average of just 4°C (39°F). Precipitation is considerably lower in January at 56 mm (2.2 in) over about 9 days, and humidity is slightly lower at 82%. For more detailed information, you can check Arashiyama weather in January.
September and February offer strikingly different weather patterns. In September, temperatures range from a mild 12°C (54°F) at night to a scorching 34°C (94°F) during the day, accompanied by high humidity at 87%. This month sees significant rainfall, with about 172 mm (6.8 in) spread over 15 days, creating a lush atmosphere. In contrast, February brings much cooler temperatures, with lows dipping to -8°C (18°F) and an average of just 4°C (40°F). The maximum temperature reaches a moderate 19°C (67°F), and the precipitation decreases to 62 mm (2.5 in) over 9 days, along with a lower humidity level of 79%. For more insights into February conditions, you can check Arashiyama weather in February.
September and March present contrasting 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). The month is characterized by high humidity at 87% and significant precipitation, totaling 172 mm (6.8 in) over 15 days. In contrast, March experiences much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 23°C (73°F), averaging around 9°C (48°F). Precipitation in March is lower at 125 mm (4.9 in), occurring over 12 days, and the humidity is also significantly reduced at 74%. For more details on March weather, you can check Arashiyama weather in March.
In comparing the weather of September and April, notable differences emerge. September experiences warmer temperatures, with a minimum of 12°C (54°F) and an average of 23°C (75°F), reaching a maximum of 34°C (94°F). In contrast, April is much cooler, with temperatures ranging from a minimum of 0°C (33°F) to an average of 13°C (56°F) and a maximum of 26°C (80°F). Although both months see considerable rainfall, September has higher precipitation at 172 mm (6.8 in) over 15 days compared to April's 157 mm (6.2 in) over 11 days. Additionally, September's humidity is notably higher at 87%, while April's humidity stands at a more comfortable 76%. For more detailed insights about April weather in a specific location, you can refer to Arashiyama weather in April.
In comparing the weather between September and May, September tends to be warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), while May experiences cooler temperatures, averaging between 4°C (39°F) and 31°C (88°F). September also sees higher humidity levels at 87%, slightly above May's 83%. Additionally, September experiences more rainfall, with 172 mm (6.8 in) over 15 days, compared to May's 154 mm (6.1 in) over 12 days. For a detailed look at the weather conditions during May, refer to Arashiyama weather in May.
In comparing the weather of September and June, both months show similar temperature ranges, with September slightly warmer, averaging 23°C (75°F) compared to June's 22°C (72°F). The maximum temperatures also reflect this trend, reaching up to 34°C (94°F) in September versus 32°C (89°F) in June. Rainfall is comparable, with September receiving 172 mm (6.8 in) over 15 days, slightly more than June's 161 mm (6.3 in) across 14 days. Humidity levels remain constant at 87% for both months, contributing to a similarly sticky atmosphere. For those interested in more details on June weather specifically, check out Arashiyama weather in June.
In comparing the weather between July and September, it’s clear that July is warmer, with average temperatures reaching a maximum of 37°C (98°F), compared to September's peak of 34°C (94°F). July also experiences higher humidity at 93%, slightly surpassing September's 87%, which can make the heat feel even more intense. Precipitation is significantly greater in July, with 324 mm (12.7 in) falling over 22 days, while September sees 172 mm (6.8 in) over 15 days. If you're interested in more details about the weather patterns during July, you can check out this link: Arashiyama weather in July.
In comparing the weather between September and August, notable differences emerge. September experiences a cooler range with minimum temperatures around 12°C (54°F) and maximums reaching 34°C (94°F), resulting in an average temperature of 23°C (75°F). In contrast, August is warmer, showcasing minimum temperatures of 17°C (63°F) and maximums hitting 37°C (98°F), with an average of 28°C (82°F). Both months see significant rainfall, but August has higher precipitation levels at 228 mm (9.0 in) over 14 days compared to September's 172 mm (6.8 in) across 15 days. Humidity remains high in both months, peaking at 91% in August and slightly lower at 87% in September. For more detailed information, check out Arashiyama weather in August.
September and October weather exhibit notable differences. 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). The month experiences significant rainfall, totaling 172 mm (6.8 in) across 15 days, accompanied by high humidity at 87%.
In contrast, October sees a dip in temperatures, with a minimum of 6°C (43°F) and an average of 18°C (64°F), while the maximum reaches 32°C (89°F). Rainfall increases to 246 mm (9.7 in), though it occurs over fewer days—just 13. Humidity remains relatively steady at 85%, making October a transitional month with cooler temperatures and more substantial precipitation compared to September. For more information, you can visit Arashiyama weather in October.
September weather is characterized by warmer temperatures, with a minimum of 12°C (54°F) and an average of 23°C (75°F), peaking at 34°C (94°F). The month also sees significant rainfall, totaling 172 mm (6.8 in) over 15 days, coupled with high humidity at 87%. In contrast, November brings a notable drop in temperature, with a minimum of -1°C (31°F) and an average of 12°C (53°F), reaching a maximum of 24°C (76°F). Precipitation decreases significantly to 47 mm (1.8 in) over just 6 days, and humidity is slightly lower at 83%. For a more detailed look at weather conditions during this month, check Arashiyama weather in November.
September and December present stark contrasts in weather. 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), making it a warm month that often experiences high humidity levels at 87%. The month also sees significant rainfall, totaling 172 mm (6.8 in) over 15 days. In contrast, December ushers in much colder conditions, with temperatures dropping to a minimum of -9°C (17°F) and averaging just 6°C (43°F), while reaching a maximum of 21°C (71°F). This month experiences much less precipitation, with only 66 mm (2.6 in) recorded over 9 days, and slightly lower humidity at 83%. For more detailed insights on December weather, visit Arashiyama weather in December.
September in Arashiyama ushers in a noticeable shift towards cooler temperatures, offering a refreshing contrast to the peak summer heat. With an average temperature that hovers around a mild 23°C (75°F), it creates an inviting atmosphere for exploring the region's stunning landscapes. However, this month is also marked by increased rainfall, with precipitation occurring on approximately half the days, resulting in a lush environment but also a need for preparedness. The high humidity of 87% adds to the tropical feel, making it essential for visitors to dress appropriately. As a transitional month, September blends the remnants of summer warmth with the beginnings of autumn, setting the stage for the breathtaking seasonal changes to come. For more insights on the weather patterns throughout the year, check out Arashiyama Climate.