Last updated: August 21, 2025
September in Beppu, Japan offers a blend of warm temperatures and significant rainfall, creating a unique climate experience. With a maximum temperature reaching 32°C (90°F) and an average of 24°C (76°F), the month provides ample warmth, while the minimum temperature can drop to 15°C (59°F). Rain is a notable aspect of September, with precipitation accumulating to 218 mm (8.6 in) over 16 days, making it one of the wetter months. The high humidity at 84% further enhances the tropical feel, making for a lush and vibrant atmosphere as the season transitions. Visitors should prepare for both sunny and rainy days, ensuring an adaptable approach to exploring this beautiful city.
In September, Beppu experiences a delightful transition as summer begins to wane. The temperatures reflect this change, with lows around 15°C (59°F) and comfortable averages of 24°C (76°F), often reaching a warm high of 32°C (90°F). This month signals a gradual cooling trend from the sweltering heat of August, making it a perfect time to enjoy outdoor activities and the city's well-known hot springs. As the autumn season approaches, the milder climate invites visitors to explore the area's stunning landscapes and cultural offerings while basking in the pleasant warmth that September provides.
In September, Beppu, Japan, experiences significant rainfall, with precipitation totaling 218 mm (8.6 in) over approximately 16 days. This marks a slight decrease from the heavier rains of July and August, yet it remains one of the month’s heaviest downpours, indicative of the lingering summer humidity. The area's rainfall peaks during the summer months, particularly in July, while September's totals reflect a transition toward drier autumn conditions. As the landscape shifts, this month’s abundant rain nourishes the lush greenery and prepares the region for the changing seasons ahead. Through these patterns, one can appreciate the rhythm of Beppu's climate—dynamic yet consistently vibrant throughout the year.
In September, Beppu, Japan, experiences a notable shift as humidity levels begin to ease from the sweltering heights of summer. With an average humidity of 84%, this month is a transition point, showcasing a decrease from 92% in July and 91% in August. As the air begins to cool slightly, residents and visitors alike can enjoy a more comfortable atmosphere, although the humidity remains relatively high compared to earlier months. This trend suggests a gradual move towards autumn, setting the stage for the upcoming months as the humidity slowly tapers off to 83% in October and continues on this downward trajectory.
As we transition into September in Beppu, Japan, the UV Index remains at a notable 11, categorizing it as extreme and signifying a burn time of just 10 minutes. This month, like the preceding summer, continues to reflect the region's trend of heightened sun exposure, with indices peaking in the preceding months at 12 during July and August. Interestingly, September’s UV levels begin to taper off, yet they still demand caution for outdoor activities. With this trend of dramatically increasing UV levels peaking during the summer months, it's crucial for residents and visitors alike to stay informed about sun safety practices. For more details on how to protect yourself from the sun’s rays, visit Beppu UV Index.
UV Risk Categories
In September, Beppu, Japan, enjoys a delightful 254 hours of sunshine, marking a slight dip from the intense glow of August with its remarkable 297 hours. This transition introduces a gentle shift as summer wanes into autumn, yet September still holds onto significant sunlight, making it a delightful period for outdoor activities and sightseeing. As the days gradually shorten, the consistent warmth of late summer lingers, and visitors can relish in the beautiful autumn foliage that begins to emerge. This month serves as a beautiful bridge between the vibrance of summer and the cozy embrace of fall, inviting everyone to soak in the sunshine before the cooler days ahead.
As September rolls in, Beppu, Japan experiences a notable shift in its weather patterns. With a 31% chance of sunny days, the month stands out compared to the summer months, which see significantly lower probabilities of sunshine. This increase hints at a transition towards more favorable weather conditions as autumn approaches. While September isn't the sunniest month, it offers a pleasant reprieve from the heavy rains of summer, making it a lovely time for outdoor activities. The likelihood of sunny weather picks up again in October, where it rises to 55%, signaling the end of summer's gloom and the start of more consistently bright days ahead.
In Beppu, Japan, the transition of daylight hours throughout the year showcases a beautiful ebb and flow, reflecting the changing seasons. As September arrives, the city enjoys around 12 hours of daylight, marking a gradual shift from the longer, sun-drenched days of summer where July and June boast a full 14 hours. This month hints at the coming autumn, as daylight begins to recede, setting the stage for a cozy ambiance that will soon envelop Beppu. The daylight duration declines to 11 hours in October, before settling back to 10 hours by November. This decline is part of a natural rhythm, creating a charming contrast to the vibrant growth of spring and the lushness of summer.
As September rolls into Beppu, the breeze continues to whisper gentle tales of change, with an average wind speed of 1.9 m/s (4 mph). This slight uptick from July and August's calm winds suggests the tail end of the summer heat is yielding to the subtle embrace of autumn. While wind speeds remain relatively gentle compared to other months, the transition is palpable, hinting at the refreshing shifts to come in October and beyond. The serenity of September's winds complements Beppu's serene landscapes, inviting locals and visitors alike to relish in the tranquil ambiance before the cooler gusts of fall firmly set in.
Weather in Beppu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Beppu, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F). This month also sees a significant amount of rainfall, totaling 218 mm (8.6 in) over 16 days, and high humidity at 84%. In contrast, January experiences much cooler temperatures, with a minimum of -3°C (26°F) and an average of 6°C (43°F), peaking at 17°C (63°F). Precipitation is lower during this month, with only 52 mm (2.0 in) spread over just 5 days, and the humidity is relatively lower at 75%. For more detailed insights into January weather patterns, you can visit Beppu weather in January.
September and February present striking contrasts in weather. In September, temperatures range from a mild 15°C (59°F) at night to a warm 32°C (90°F) during the day, with an average of 24°C (76°F). Rainfall is significant, totaling 218 mm (8.6 in) over 16 days, contributing to a high humidity level of 84%. Conversely, February is much cooler, with temperatures dipping as low as -3°C (26°F) and peaking at 20°C (68°F), averaging around 7°C (44°F). Precipitation in February is considerably lower, at 67 mm (2.6 in) over just 8 days, and the humidity is also reduced to 71%. For more detailed information on February weather, check out Beppu weather in February.
September and March present striking contrasts in weather. In September, temperatures range from a mild 15°C (59°F) to a warm 32°C (90°F), averaging a comfortable 24°C (76°F). However, this month is also characterized by significant rainfall, with 218 mm (8.6 in) of precipitation over 16 days and a high humidity level of 84%. In contrast, March offers much cooler temperatures, with a minimum of 1°C (35°F), an average of 10°C (51°F), and a maximum of 24°C (76°F). The precipitation is considerably less at 116 mm (4.6 in) across 11 days, accompanied by a lower humidity of 71%. For a closer look at the specific March weather in Beppu, you can visit this link: Beppu weather in March.
September and April present contrasting weather patterns, showcasing the transition between the summer heat and the freshness of spring. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F), while April boasts cooler temperatures, with lows around 3°C (38°F) and highs reaching 25°C (78°F), averaging 14°C (58°F). Additionally, September experiences significantly higher precipitation, totaling 218 mm (8.6 in) over 16 days, compared to April's 107 mm (4.2 in) over just 8 days. Despite September's humidity level being slightly higher at 84%, April still retains a moderate humidity of 78%. For more specific insights on April weather, you can refer to Beppu weather in April.
In September, the weather tends to be warmer with average temperatures reaching 24°C (76°F), peaking at a high of 32°C (90°F). However, this month also sees significant precipitation, with 218 mm (8.6 in) of rain over 16 days, contributing to a consistently humid atmosphere at 84%. In contrast, May offers a milder climate, with average temperatures around 19°C (67°F) and maximums of 30°C (87°F). Precipitation is less frequent in May, totaling 143 mm (5.6 in) over 11 days, yet the humidity remains steady at 84%. For a closer look at weather conditions specific to May in Beppu, check out Beppu weather in May.
In comparing the weather of September to that of June, we find some interesting similarities and differences. Both months experience a maximum temperature of 32°C (90°F in September and 89°F in June), but September tends to be slightly warmer overall with an average temperature of 24°C (76°F) compared to June's average of 23°C (73°F). Precipitation is higher in September, with 218 mm (8.6 in) over 16 days, while June sees 191 mm (7.5 in) across 15 days. Both months exhibit high humidity, with September at 84% and June slightly higher at 86%. For more detailed information about the June weather conditions in Beppu, you can check Beppu weather in June.
When comparing the weather in September and July, it's clear that both months experience warm temperatures, but with some notable differences. September sees a slightly lower temperature range, with a minimum of 15°C (59°F) and a maximum of 32°C (90°F), averaging 24°C (76°F). In contrast, July is warmer, with temperatures ranging from a minimum of 19°C (67°F) to a high of 34°C (94°F), averaging around 26°C (80°F).
Precipitation is also more pronounced in July, with 325 mm (12.8 in) of rain over 21 days, compared to September's 218 mm (8.6 in) over 16 days. Humidity levels are higher in July at 92%, compared to September's 84%. This overall trend suggests that while September remains warm, it is generally drier and less humid than July. For more details on July weather, you can check Beppu weather in July.
In August, the weather tends to be hotter and more humid than in September, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 36°C (97°F) and an average of 28°C (82°F). The month also sees significant rainfall, with a total precipitation of 228 mm (9.0 in) over about 15 days and humidity levels averaging 91%. In contrast, September features slightly cooler temperatures, with a range from 15°C (59°F) to 32°C (90°F) and a more moderate average of 24°C (76°F). Although September experiences similar precipitation, totaling 218 mm (8.6 in) across 16 days, the humidity decreases slightly to 84%. For more detailed weather insights, you can explore Beppu weather in August.
In September, the weather is typically warmer and more humid, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F) and an average of 24°C (76°F). The month also sees significant rainfall, averaging 218 mm (8.6 in) over 16 days, contributing to a high humidity level of 84%. In contrast, October experiences a notable drop in temperature, with minimums around 9°C (48°F) and an average of 19°C (67°F), while still reaching a high of 30°C (86°F). Precipitation also decreases, with 183 mm (7.2 in) of rain spread over just 10 days, resulting in slightly lower humidity at 83%. For more specific details on October weather patterns, you can visit Beppu weather in October.
September and November exhibit distinct differences in weather patterns. September boasts warmer temperatures with averages around 24°C (76°F) and highs reaching up to 32°C (90°F), alongside significant rainfall of 218 mm (8.6 in) across 16 days, resulting in high humidity levels of 84%. In contrast, November experiences much cooler conditions, with average temperatures dropping to 13°C (56°F) and maximums of 25°C (76°F). Additionally, November sees far less precipitation at 47 mm (1.8 in) over just 6 days and slightly lower humidity at 81%. For more detailed insights, you can check Beppu weather in November.
September and December present stark contrasts in weather. September experiences a warm climate with average temperatures around 24°C (76°F), peaking at 32°C (90°F) and accompanied by high humidity at 84%. The month is also characterized by significant rainfall, totaling 218 mm (8.6 in) over 16 days. In contrast, December cools down considerably, with average temperatures dropping to 8°C (46°F) and a maximum of only 22°C (72°F). Precipitation is much lower at 53 mm (2.1 in), occurring over just 6 days, while humidity decreases slightly to 79%. For more insights on winter conditions, check out Beppu weather in December.
As September unfolds in Beppu, visitors experience a unique tapestry of weather characterized by warm temperatures and high humidity. While highs reach an inviting 32°C, the month carries a notable contrast with considerable precipitation, averaging over 200 mm across 16 days. This blend creates a lush, vibrant landscape, distinct from the drier, cooler months that precede it. If you're planning a trip, be prepared for the humidity and occasional rain as they add a tropical flair to your adventures. For more detailed insights, explore our comprehensive guide on Beppu Climate.