Last updated: August 21, 2025
Daisen, Japan, experiences a diverse September climate characterized by a maximum temperature reaching 33°C (92°F) and a comfortable average of 20°C (68°F), providing a warm backdrop for early autumn activities. As the month unfolds, temperatures can dip to a chilly minimum of 6°C (43°F), highlighting the transition into fall. With 133 mm (5.2 in) of rainfall spread over 14 days, the air remains notably humid at 86%, creating a lush environment. This unique blend of weather conditions not only enhances the region's natural beauty but also invites visitors to explore its picturesque landscapes and vibrant culture.
In September, Daisen, Japan, experiences a delightful transition from the summer heat to the crispness of autumn. With minimum temperatures around 6°C (43°F) and an average of 20°C (68°F), the month offers a comfortable climate perfect for outdoor activities. As the days still draw warmth, highs can reach up to 33°C (92°F), making it one of the last chances to enjoy summer-like conditions before the cooler temperatures set in. The gradual decline from the sweltering summer months into milder weather reflects a beautiful seasonal shift, inviting residents and visitors alike to relish in the vibrant landscapes and rich cultural experiences Daisen has to offer.
In September, Daisen, Japan, experiences a significant shift in precipitation patterns. With 133 mm (about 5.2 in) of rainfall falling over 14 days, the month reflects a welcome moderation compared to the peak of the summer months. August typically drenches the region with a hefty 210 mm (8.2 in) across 16 days, signaling the height of the rainy season. Following this, September's rainfall indicates a gradual transition into the drier autumn months, while still maintaining a robust precipitation level that nourishes the lush landscapes. As the year progresses into October, residents can expect a slight uptick in rainfall to 159 mm (6.3 in), hinting at the persistent yet calming rhythm of Daisen's weather.
In September, humidity in Daisen, Japan, typically rests at a high 86%, marking a continuation of the summer's lingering moisture. This level follows the peak summer months of July and August, which boast a stifling 92% humidity, reflecting the region’s humid subtropical climate. As autumn begins to usher in cooler temperatures, September shows a slight decline from summer's peak, yet remains significantly elevated compared to the early months of the year, where humidity averages around 80%. This trend suggests that while Daisen experiences a gradual transition towards drier conditions, it retains a substantial touch of summer's humidity, setting a unique atmospheric tone for the early fall season.
September in Daisen, Japan, brings a UV Index of 9, categorizing the exposure as very high and resulting in a burn time of just 15 minutes. This marks a slight decrease from August's peak of 11, yet it indicates that protection remains essential. As the summer heat recedes, the UV levels in September still demand caution, especially for outdoor activities. This trend shows a gradual decline from the extreme levels of the preceding months, while still urging vigilance against skin damage. For a detailed overview of UV exposure throughout the year, visit Daisen UV Index.
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September in Daisen, Japan, brings a delightful transition as the summer sun begins to wane, offering an impressive 255 hours of sunshine. This marks a slight dip from the sun-drenched heights of July and August, which basked in 291 and 293 hours respectively, yet it is still part of a consistent pattern of abundant sunlight that characterizes the late summer and early autumn months. Following the vibrant blooms of May, which boasts the year’s highest sunshine total at 295 hours, September stands out as an ideal time for outdoor activities, with warm days ideal for exploring nature before the cooler months set in. The gentle decline in sunlight continues into October, setting the stage for a cozy autumn filled with colorful foliage.
In Daisen, Japan, September brings a 32% chance of sunny weather, aligning with the latter part of summer as the region transitions into autumn. This likelihood is a notable increase compared to the preceding months of June (29%) and August (21%), suggesting that September can often offer a pleasant reprieve from the heavier rains of midsummer. It's also on par with the chances found in both October and November, indicating that the trend of relatively stable weather conditions continues into early autumn. As nature begins to shift, those seeking sunshine should find September to be a promising choice for outdoor activities and exploration.
As summer gracefully transitions into fall, September in Daisen, Japan, marks a subtle shift in daylight duration, with the sun gracing the sky for approximately 12 hours. This decline from the peak of 14 hours seen in the summer months reflects the gradual dimming of daylight that accompanies the onset of autumn. Following a vibrant summer, where long, sun-kissed days were the norm, September provides a gentle reminder of the changing seasons. As daylight diminishes, it paves the way for the cozy warmth of autumn evenings, inviting residents and visitors alike to embrace the beauty of the landscape as it transforms into a tapestry of autumn hues.
September in Daisen, Japan, brings a gentle breeze, with an average wind speed of 2.3 m/s (5 mph), slightly picking up from the stillness of summer. This subtle uptick is part of a broader trend as the region transitions from the sweltering heat of July and August, where winds dipped to their lowest at 1.8 m/s (4 mph). As autumn approaches, the winds begin to strengthen once more, hinting at the upcoming seasonal changes. Following September, the wind speed experiences a modest increase in October to 2.1 m/s (5 mph) before slightly rising again in November, revealing a comforting consistency as Daisen welcomes the cooler months. This rhythmic variation in wind patterns serves as a gentle reminder of nature’s cycles, creating an inviting atmosphere for those exploring the beauty of this scenic locale.
Weather in Daisen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Daisen, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present a stark contrast in weather conditions. September typically boasts warmer temperatures, with average highs reaching up to 33°C (92°F) and a relatively high humidity level of 86%. In contrast, January experiences much colder temperatures, where the averages hover around -1°C (30°F), with minimums plummeting to -16°C (4°F). Although both months see a notable amount of precipitation, January has more rainy days, with 19 days of precipitation compared to September's 14 days. For those interested in more specific details about January weather, you can check out Daisen weather in January.
September and February present striking contrasts in weather conditions. In September, temperatures range from a mild 6°C (43°F) at night to a warm average of 20°C (68°F) during the day, peaking at a scorching 33°C (92°F). While the month is relatively humid with 86% humidity, it also experiences notable rainfall, totaling 133 mm (5.2 in) over 14 days. In comparison, February is characterized by its cold temperatures, with a minimum of -16°C (3°F) and an average of -1°C (31°F), reaching a maximum of just 10°C (51°F). Although precipitation is slightly lower at 127 mm (5.0 in), it occurs on more days, totaling 21. Despite February's lower humidity at 79%, the overall frigid climate starkly contrasts with September's warmth and abundant moisture. For more detailed insights, check out Daisen weather in February.
In comparing the weather of September and March, we see stark contrasts in both temperature and precipitation. September boasts milder temperatures, with a minimum of 6°C (43°F) and an average of 20°C (68°F), while March is much cooler, experiencing lows of -10°C (14°F) and an average of only 4°C (40°F). Additionally, September produces higher maximum temperatures, reaching up to 33°C (92°F), whereas March peaks at 19°C (67°F). Precipitation is somewhat comparable, with September receiving 133 mm (5.2 in) over 14 days, while March has slightly less at 125 mm (4.9 in) but during more days—17 in total. Furthermore, humidity levels are higher in September at 86% compared to March’s 77%. For more detailed insights, you can check Daisen weather in March.
September and April exhibit quite distinct weather patterns. In September, temperatures range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average of 20°C (68°F). The month sees significant precipitation, totaling 133 mm (5.2 in) over 14 days, coupled with high humidity levels at 86%. In contrast, April experiences cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 24°C (75°F), leading to an average of 9°C (48°F). It receives slightly more rainfall at 141 mm (5.6 in) across 17 days, with humidity levels lower at 75%. For more detailed information, you can check Daisen weather in April.
In comparing the weather of September and May, September tends to be warmer overall, featuring average temperatures around 20°C (68°F) and max temperatures reaching up to 33°C (92°F), while May has a cooler average of 15°C (59°F) with max temperatures peaking at 30°C (86°F). Both months experience similar levels of precipitation, with September receiving 133 mm (5.2 in) and May slightly higher at 135 mm (5.3 in), though rain is distributed across fewer days in September (14 days) compared to May (15 days). Humidity is higher in September at 86%, compared to May's 80%, contributing to a more muggy feel later in the summer season. For more detailed insights on the weather during May, visit Daisen weather in May.
In September, temperatures typically range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average of 20°C (68°F). This month also experiences considerable rainfall, with 133 mm (5.2 in) of precipitation over about 14 days, while humidity hovers around 86%. In contrast, June sees slightly cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 30°C (86°F), averaging 19°C (66°F). Although it receives more rainfall at 147 mm (5.8 in) during 13 days, the humidity is marginally higher at 87%. For a more detailed look at June weather, visit Daisen weather in June. Overall, both months share similar temperature ranges and high humidity but offer distinct weather experiences primarily characterized by their precipitation levels.
September and July exhibit notable contrasts in weather patterns. In September, temperatures start cool, with a minimum of 6°C (43°F), but can rise significantly, averaging around 20°C (68°F) and peaking at 33°C (92°F). The month sees moderate rainfall, totaling 133 mm (5.2 in) over about 14 days, with a humidity level of 86%. In contrast, July is generally warmer, with minimum temperatures at 15°C (58°F), an average of 23°C (74°F), and similarly reaching a high of 33°C (92°F). However, it experiences heavier precipitation, accumulating 191 mm (7.5 in) across 17 days, coupled with higher humidity at 92%. For more detailed insights, check out Daisen weather in July.
In comparing the weather of September and August, September demonstrates a noticeable drop in temperatures, with a minimum of 6°C (43°F) and a maximum of 33°C (92°F), compared to August's milder range of 13°C (56°F) to 35°C (96°F). Humidity levels remain high in both months, with September at 86% and August slightly higher at 92%. Precipitation is somewhat reduced in September, totaling 133 mm (5.2 in) over 14 days, while August experiences greater rainfall at 210 mm (8.2 in) across 16 days. For a detailed view of August's weather patterns, you can check out Daisen weather in August.
September typically sees warmer temperatures, with a minimum of 6°C and an average high of 33°C, compared to October, which cools down significantly with a minimum of 3°C and an average high of 27°C. While both months experience considerable precipitation, September averages 133 mm over 14 days, whereas October has slightly higher precipitation at 159 mm over 13 days. However, October's humidity is lower at 82%, compared to September's 86%. For a more detailed look at October weather in Daisen, you can visit Daisen weather in October.
September and November present a stark contrast in weather conditions. In September, temperatures range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average of 20°C (68°F). The month experiences significant rainfall, accumulating 133 mm (5.2 in) over about 14 days, accompanied by high humidity levels at 86%. In contrast, November sees much cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 22°C (71°F), averaging just 8°C (46°F). Despite slightly lower precipitation at 127 mm (5.0 in) over 17 days, humidity remains relatively moderate at 79%. This shift marks the transition from the warmth of early autumn to the chill of late fall. For more details, visit Daisen weather in November.
September and December present contrasting weather conditions. In September, temperatures range from a mild 6°C (43°F) to a warm 33°C (92°F), with an average of 20°C (68°F), making it a pleasant month for outdoor activities. However, it also experiences significant precipitation, with 133 mm (5.2 in) falling over 14 days and a high humidity of 86%. In stark contrast, December brings a winter chill, with temperatures dropping to a minimum of -9°C (17°F) and peaking at a maximum of 14°C (58°F), averaging just 1°C (35°F). The month is wetter with 157 mm (6.2 in) of precipitation over 25 days, accompanied by a slightly lower humidity level of 80%. For more details on the December weather, visit Daisen weather in December.
As September rolls in, Daisen experiences a dynamic shift in weather that contrasts sharply with the preceding summer months. While daytime temperatures can still reach a warm 33°C, the average tends to cool down to a more comfortable 20°C, making it an ideal time for outdoor activities. However, September also brings increased rainfall, with 14 days of precipitation contributing to a total of 133 mm—these moisture levels elevate the humidity to a notable 86%. This blend of warmth, cooler nights, and frequent showers makes September a unique transitional month in Daisen's climate. To explore more about this fascinating weather pattern, visit Daisen Climate.