Last updated: August 21, 2025
In Ise, Japan, September unveils a blend of warmth and moisture, with maximum temperatures soaring up to 34°C (93°F) and an average of 25°C (78°F). The nights offer a cooler respite, dipping to a minimum of 18°C (65°F). However, this month is marked by significant precipitation, totaling 238 mm (9.4 in) over approximately 19 days, making it one of the wetter periods of the year. With humidity levels averaging a muggy 87%, visitors should be prepared for a tropical atmosphere that demands both light clothing and waterproof gear.
As September rolls in, Ise, Japan, experiences a delightful transition, with temperatures reflecting the gradual shift from summer's heat to autumn's embrace. The month welcomes a minimum of 18°C (65°F), climbing to a comfortable 25°C (78°F) on average, and reaching a high of 34°C (93°F), showcasing a lingering warmth that invites outdoor activities. This slight cooling trend from August's sweltering heights—where temperatures soared to 38°C (100°F)—offers a refreshing respite for both locals and visitors alike. With these gentle shifts in temperature, September becomes an ideal time to explore Ise's rich cultural heritage, as the weather balances warmth with the early onset of autumn's crispness.
In September, Ise, Japan experiences a notable surge in precipitation, with 238 mm (9.4 in) of rain spread across 19 days. This substantial rainfall marks a shift as the city transitions from the relatively dry days of August, where it received 171 mm (6.7 in) over 15 days. The increase in precipitation signifies the onset of the fall season, contributing to the lush greenery that characterizes the region during this time. Following September, October continues this trend with an even heftier 389 mm (15.3 in), suggesting a pattern of heightened rainfall during the autumn months. Overall, September serves as a pivotal month, bridging the end of summer's moisture and preparing the landscape for the wetter season ahead.
In Ise, Japan, September marks a transitional phase in humidity levels as the summer heat begins to wane. With humidity at 87%, it reflects a slight decrease from the peak of 93% in July and 91% in August, signaling the end of the sweltering summer months. This moderate humidity is characteristic of early autumn, where the air remains refreshingly moist yet less oppressive than in the previous months. As the year progresses, Ise's humidity gradually declines, hovering around the mid-80s in the fall and winter, making September a pleasant prelude to the cooler months ahead. The trend showcases a pattern of rising humidity during the summer, followed by a gentle retreat as the seasons shift, providing a dynamic yet comfortable climate for residents and visitors alike.
In September, Ise, Japan experiences a very high UV Index of 10, indicating a continued trend of significant sun exposure as the summer months transition into autumn. This marks a slight decline from the intense peak of 12 in July, but the burn time remains crucial, limiting safe sun exposure to just 15 minutes. Over the months, the UV Index in Ise has demonstrated a pattern of escalation, peaking in the summer and gradually descending as the year progresses. While September still necessitates precautions, it provides a glimpse of relief before the UV levels lower further in October. For detailed UV index information, check out Ise UV Index.
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September in Ise, Japan, brings a delightful balance of warmth and light, with 250 hours of sunshine illuminating the landscape. While the summer months bask in the peak of brightness—particularly August at 314 hours—September marks a gentle transition towards autumn, still enjoying significant sunlight but a drop from its predecessor. The month showcases the beautiful interplay between the lingering summer glow and the approaching cooler days, offering a perfect backdrop for outdoor activities and sightseeing. As the days grow shorter, the gradual decline in sunlight hours from the exhilarating summer peaks highlights the rhythm of nature shifting, yet still offering plenty of opportunities to revel in the enchanting beauty of Ise.
In Ise, Japan, the likelihood of sunny weather experiences notable fluctuations throughout the year. While January boasts a respectable 59% chance of sun, this figure gradually dips as spring transitions into summer, hitting a low of 24% in June. Interestingly, the percentage of sunny days doesn’t rebound significantly during the peak summer months, remaining at 29% in both July and August. By September, the potential for sunshine further declines to 27%, which is one of the year's lowest. It's only as autumn sets in that the outlook improves, with October rising back to 53%. This trend indicates that September tends to be a quieter month for sun seekers in Ise, as the region shifts into a cooler, more overcast season.
As summer gently gives way to autumn in Ise, Japan, September experiences a notable decline in daylight, offering about 12 hours of sunlight each day. This shift comes after the peak summer months, where daylight reached up to 14 hours in June and July. The gradual transition from the longer days of summer to the shorter ones of winter is evident, with the daylight duration dropping to 11 hours in October. While September may mark the beginning of shorter days, it still holds onto the warmth of summer, inviting residents and visitors alike to savor the lingering sunlight. The rhythm of daylight throughout the year reflects the beauty of seasons changing, as Ise continues to bask in the soft glow of early autumn days.
As September sweeps into Ise, Japan, the average wind speed gently settles at 3.5 m/s (8 mph), marking a notable decrease from the summer months. This transition reflects a broader trend observed throughout the year, where wind speeds gradually taper from their peak in January and December at 4.9 m/s (11 mph). July sees the most significant lull, with winds dropping to 2.6 m/s (6 mph). However, as autumn approaches, there's a slight uptick in October to 4.2 m/s (9 mph), hinting at a return to more brisk conditions. The distinct shifts in wind patterns capture the essence of Ise's seasonal changes, transitioning from the stillness of summer to the invigorating breezes of autumn.
Weather in Ise varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ise, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in September is markedly warmer and more humid compared to January. With temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), September experiences an average of 25°C (78°F) along with significant precipitation of 238 mm (9.4 in) over 19 days. In contrast, January brings much cooler conditions, featuring temperatures from 0°C (32°F) to 17°C (64°F), with an average of 7°C (46°F), and notably less rainfall of 54 mm (2.1 in) across just 5 days. Humidity levels remain relatively high in both months, but January's 82% is slightly lower than September's 87%. For more specific insights, see Ise weather in January.
September and February present contrasting weather experiences. In September, temperatures range from a minimum of 18°C (65°F) to a scorching maximum of 34°C (93°F), with an average of 25°C (78°F). This month is also characterized by high humidity at 87% and significant rainfall, totaling 238 mm (9.4 in) over 19 days. In contrast, February brings much cooler weather, with temperatures dipping to a low of 0°C (32°F) and peaking at 21°C (69°F), averaging only 8°C (47°F). Precipitation is notably lower in February, amounting to 59 mm (2.3 in) over just 5 days, and humidity levels are slightly reduced at 79%. For a closer look at February conditions, you can check out Ise weather in February.
September and March present strikingly different weather conditions. In September, temperatures range from a pleasant minimum of 18°C (65°F) to a sweltering maximum of 34°C (93°F), with an average of 25°C (78°F). The month is characterized by high humidity at 87% and substantial rainfall, totaling 238 mm (9.4 in) over 19 days. In contrast, March offers a more moderate climate, with temperatures dipping to a minimum of 3°C (38°F) and peaking at 23°C (74°F), averaging only 12°C (53°F). Rainfall is less frequent and totals 150 mm (5.9 in) spread across 10 days, coupled with a lower humidity level of 74%. For a detailed look at March weather, check out Ise weather in March.
When comparing the weather in September and April, it's clear that September experiences significantly warmer temperatures, with minimums around 18°C (65°F) and maximums reaching up to 34°C (93°F), while April sees cooler temperatures, ranging from a minimum of 5°C (41°F) to a maximum of 25°C (77°F). Additionally, September is much wetter, receiving 238 mm (9.4 in) of precipitation over 19 days compared to April’s 138 mm (5.4 in) across 10 days. Humidity levels are also higher in September at 87%, compared to 76% in April, making the latter month feel considerably more comfortable. For more detailed information on the weather, check out this link: Ise weather in April.
In September, the weather tends to be warmer and more humid compared to May, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F) and an average humidity of 87%. In contrast, May experiences cooler temperatures, averaging between 10°C (51°F) and 29°C (84°F), along with slightly lower humidity levels at 83%. Additionally, September sees more rainfall, with 238 mm (9.4 in) of precipitation over 19 days, while May has 169 mm (6.6 in) across just 12 days. For a closer look at the May climate in Ise, you can visit Ise weather in May.
September and June exhibit some similarities and differences in weather patterns. Both months feature high humidity levels at 87%, contributing to a tropical feel. September tends to be slightly warmer, with average temperatures reaching 25°C (78°F) and maximums of 34°C (93°F), compared to June's average of 23°C (74°F) and maximums of 32°C (90°F). Precipitation is nearly identical, with September receiving 238 mm (9.4 in) over 19 days and June recording 239 mm (9.4 in) in just 15 days. The increased rainfall in September may lead to more overcast days compared to the typically sunnier June. For a closer look at the weather specifics for June, check out Ise weather in June.
In comparing the weather between September and July, we observe distinct differences in temperature and humidity levels. September experiences a milder temperature range with a minimum of 18°C (65°F) and a maximum of 34°C (93°F), while July sees higher temperatures, with a minimum of 21°C (70°F) and a maximum of 37°C (99°F). Additionally, although both months have considerable precipitation, July is slightly wetter, receiving 278 mm (10.9 in) over 20 days compared to September's 238 mm (9.4 in) over 19 days. Humidity levels are also higher in July at 93%, compared to 87% in September. For more detailed climate insights, check out Ise weather in July.
In comparing the weather between August and September, it's clear that September experiences slightly milder temperatures with a minimum of 18°C (65°F) and an average of 25°C (78°F), while August boasts higher temperatures, with a minimum of 23°C (74°F) and an average of 29°C (84°F). Notably, August has a maximum temperature that peaks at 38°C (100°F), indicating hotter conditions than September's maximum of 34°C (93°F). Regarding precipitation, September sees more rain, with 238 mm (9.4 in) over 19 days, compared to August's 171 mm (6.7 in) over 15 days. The humidity levels are also slightly lower in September at 87%, compared to August's 91%. For a deeper look at August's weather specifics, check Ise weather in August.
September typically boasts warmer temperatures, with averages around 25°C (78°F) and highs reaching up to 34°C (93°F), while October cools down significantly, with an average temperature of 20°C (69°F) and maximums of 30°C (85°F). September experiences frequent rainfall, totaling 238 mm (9.4 in) over 19 days, whereas October sees an increase in precipitation to 389 mm (15.3 in) spread across 15 days. Despite the slight dip in humidity from 87% in September to 85% in October, both months are characterized by their wet conditions. For a more detailed look at October weather in Ise, you can refer to this link: Ise weather in October.
September and November present a striking contrast in weather conditions. In September, temperatures range from a minimum of 18°C (65°F) to a blazing maximum of 34°C (93°F), with an average of 25°C (78°F). The month is also characterized by high humidity at 87% and substantial rainfall, accumulating 238 mm (9.4 in) over 19 days. In contrast, November offers much cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 23°C (74°F), averaging 15°C (59°F). The precipitation drops significantly to 71 mm (2.8 in) over just 7 days, accompanied by slightly lower humidity at 83%. For more details on November weather in Ise, you can check Ise weather in November.
September and December present a striking contrast in weather conditions. In September, temperatures range from a warm minimum of 18°C (65°F) to a hot maximum of 34°C (93°F), with an average of 25°C (78°F). The month is characterized by significant rainfall, totaling 238 mm (9.4 in) over 19 days, and high humidity levels at 87%. In contrast, December brings a much cooler climate, with temperatures dropping to a minimum of 2°C (36°F) and an average of 10°C (50°F), peaking at a maximum of 22°C (71°F). Precipitation also decreases significantly to 75 mm (2.9 in) over just 8 days, alongside slightly lower humidity at 83%. For a detailed look at the December weather, visit Ise weather in December.
As September rolls into Ise, the weather presents a unique blend of warmth and moisture that sets it apart from other months. With average temperatures hovering around a comfortable 25°C (78°F), days can still soar to a sweltering 34°C (93°F), reminding residents of the lingering summer. However, the most noticeable shift is in the high humidity, reaching 87%, and the increased precipitation with 19 rainy days contributing to total rainfall of 238 mm (9.4 in). This combination of heat and humidity makes September a transitional month, where the vibrancy of summer begins to fade into the cooler tones of autumn. For more details on Ise's climate, visit Ise Climate.