Last updated: August 21, 2025
September in Tateyama, Japan offers a delightful blend of warm temperatures and lush scenery, with an average temperature hovering around 25°C (77°F). The month sees maximums reaching 29°C (84°F), while minimums dip to a comfortable 20°C (68°F), creating an ideal climate for exploration. However, visitors should prepare for frequent rainfall, as 17 days of precipitation contribute to a total of 197 mm (7.8 in), and the high humidity level of 86% adds a sense of freshness to the air. This dynamic weather makes September a captivating time to experience Tateyama's natural beauty.
As September rolls into Tateyama, Japan, the temperatures begin to soften, signaling the gentle transition from summer's heat to autumn's embrace. With nightly lows of 20°C (68°F) and daily averages hovering around 25°C (77°F), the month offers comfortable warmth without the stifling humidity of the peak summer months. The maximum temperatures can still reach a pleasant 29°C (84°F), allowing for plenty of opportunities to explore the stunning landscapes that define this region. The gradual dip from the hotter August, where temperatures peak at 30°C (86°F), hints at the cooler weather to come, making September a delightful month for visitors seeking to enjoy the vibrant scenery and mild climate of Tateyama.
September in Tateyama, Japan, marks a notable transition in the region's weather patterns, delivering an average precipitation of 197 mm (7.8 in) over 17 rainy days. This substantial rainfall reflects a buildup of moisture as summer wanes, creating a stark contrast to August's milder 119 mm. The trend shows that September is one of the wettest months of the year, remaining second only to October, which typically sees 308 mm (12.1 in). As the landscape shifts into autumn, the increase in rainy days emphasizes a vibrant transformation, nourishing the lush scenery that Tateyama is renowned for. This blend of significant rainfall and cooler temperatures not only enhances the region's natural beauty but also sets the stage for the seasonal changes that follow.
In September, humidity in Tateyama, Japan, typically hovers around 86%, marking a slight decrease from the sweltering heights seen in the summer months of July and August, where it peaks at 93% and 90%, respectively. This month often signals the transition from the intense summer humidity, gradually giving way to the drier air of autumn while still being among the wetter months of the year. The trend shows a general rise from 70% in March to September’s high, especially notable in the late spring and summer as the climate warms. As October approaches, the humidity continues to decline, settling to 83%, but the lingering moisture of September prepares the landscape for the coming changes, providing a refreshing, though still humid, end to summer.
September in Tateyama, Japan, marks a transition into cooler months while still presenting a very high UV Index of 10. This level indicates that sun exposure can lead to burns in as little as 15 minutes, urging residents and visitors to take protective measures when outdoors. Following the extreme indices of summer months, September sees a slight moderation but remains a reminder of the potent sun, especially as the days start to shorten. As we move towards autumn, it’s crucial to remain vigilant about sun safety. Stay informed with more details on the UV Index throughout the year by visiting Tateyama UV Index.
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In September, Tateyama, Japan, basks in a delightful 239 hours of sunshine, marking a gentle transition from the vibrant summer glow of August, which boasts an impressive 297 hours. This month experiences a noticeable dip in sunlight as the region shifts into autumn, yet it remains considerably brighter than the chillier months ahead, such as October with just 205 hours. Compared to earlier in the year—where sunshine peaked in the lush spring of April at 269 hours—September offers a beautiful balance of warmth and cooler breezes, allowing residents and visitors alike to savor the last remnants of summer before the crisp air sets in.
September in Tateyama, Japan, sees a 30% chance of sunny weather, marking it as one of the more overcast months in the annual cycle. As summer transitions into autumn, this percentage reflects a noticeable dip in sunshine compared to the preceding months of July and August, which hover around 38% and 41%, respectively. Interestingly, September's sunshine likelihood is even lower than spring months like April and May, indicating a shift toward cloudier skies as the year progresses. While the potential for sunny days exists, travelers should be prepared for a variety of weather conditions that signal the arrival of fall in this scenic locale.
In Tateyama, Japan, September marks a gentle transition as daylight begins to wane, offering 12 hours of sunlight—a slight drop from the summer peak. This month, nestled between the vibrant days of July and August, heralds the onset of autumn and a gradual retreat towards shorter days. As seen throughout the year, daylight duration starts at 10 hours in January, climbs steadily to a summer high of 14 hours in June and July, then gracefully descends back to 10 hours by November. This ebb and flow of light vividly reflects the changing seasons, inviting residents and visitors alike to embrace the beauty of September's softer, golden-hued days.
As September unfolds in Tateyama, Japan, the wind begins to pick up again, averaging 6.7 m/s (15 mph), showcasing a gentle but noticeable shift from the calmer summer months of July and August, where the wind dipped to 4.2 m/s (9 mph) and 6.4 m/s (14 mph), respectively. This transition reflects a resurgence of breezier days, reminiscent of the earlier months in the year, such as January, where gusts reached an average of 7.6 m/s (17 mph). As autumn approaches, the steady winds signal the changing season, inviting locals and visitors alike to experience the beauty of Tateyama with its refreshing breezes that carry the scent of the sea and the promise of nature's vibrant transformations.
Weather in Tateyama varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tateyama, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit stark contrasts in weather conditions. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 29°C (84°F), accompanied by high humidity at 86% and significant rainfall of 197 mm (7.8 in) over 17 days. This creates a warm and often humid atmosphere, typical of late summer. In contrast, January features much cooler weather, with temperatures dipping to a minimum of 2°C (36°F) and peaking at 19°C (66°F). The precipitation is significantly lower at 75 mm (3.0 in) over just 7 days, and humidity is also reduced to 76%. For more insights into January weather, you can explore Tateyama weather in January.
September and February showcase strikingly different weather patterns. In September, the temperatures range from a minimum of 20°C (68°F) to a maximum of 29°C (84°F), with an average temperature of 25°C (77°F). The month is also characterized by high humidity at 86% and significant precipitation of 197 mm (7.8 in) over 17 days. In contrast, February experiences much cooler weather with temperatures ranging from 3°C (38°F) to 19°C (66°F) and an average of just 10°C (50°F). Precipitation is considerably lower at 63 mm (2.5 in) over 9 days, accompanied by reduced humidity at 74%. For a detailed look at February weather, visit Tateyama weather in February.
In September, the weather is significantly warmer, with average temperatures reaching 25°C (77°F) and highs up to 29°C (84°F), while March sees much cooler conditions with averages around 13°C (55°F) and maximum temperatures of 19°C (66°F). The humidity in September is notably higher at 86%, compared to March's 70%, contributing to a more sultry atmosphere. Precipitation is also common in both months, with September experiencing 197 mm (7.8 in) over 17 days, while March has slightly less at 174 mm (6.8 in) over 14 days. For more specifics on the weather in March, you can check out Tateyama weather in March.
September and April present strikingly different weather patterns. In September, temperatures are significantly warmer, with a minimum of 20°C (68°F) and an average of 25°C (77°F), peaking at 29°C (84°F). This month also sees a high level of humidity at 86% and frequent rainfall, averaging 197 mm (7.8 in) over 17 days. In contrast, April offers much cooler conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 21°C (71°F), and a more moderate average of 15°C (59°F). The precipitation is lower in April, totaling 132 mm (5.2 in) over just 10 days, combined with a lighter humidity level of 74%. For a closer look at what to expect during April, you can check out Tateyama weather in April.
In comparing the weather between September and May, September tends to be warmer and more humid. With average temperatures reaching 25°C (77°F) and maximums peaking at 29°C (84°F), September clearly offers a milder climate than May, where the average temperature is only 19°C (66°F) and maximums reach 23°C (73°F). Furthermore, September experiences higher precipitation, with 197 mm (7.8 in) falling over 17 days, compared to May's 155 mm (6.1 in) across just 10 days. The humidity in September is also slightly elevated at 86%, versus 81% in May. For more specific insights, you can check Tateyama weather in May.
When comparing the weather in September and June, it’s clear that September tends to be warmer. September features a minimum temperature of 20°C (68°F) and an average high of 29°C (84°F), while June has a cooler range, with temperatures peaking at 25°C (77°F). Precipitation levels are slightly lower in September at 197 mm (7.8 in) over 17 days, compared to June’s 206 mm (8.1 in) over just 13 days. Humidity is quite similar in both months, with September at 86% and June at 88%. For more detailed insights into June weather, you can visit Tateyama weather in June.
In comparing the weather of September and July, both months experience similar average temperatures, with July having a slightly lower maximum temperature of 28°C (83°F) compared to September's 29°C (84°F). However, September tends to be wetter, receiving 197 mm (7.8 in) of precipitation over 17 days, while July has 227 mm (8.9 in) over just 14 days. Humidity levels are also higher in July at 93%, compared to 86% in September, indicating that July may feel more muggy despite the similar temperature averages. For a detailed look at July weather, you can check Tateyama weather in July.
In comparing the weather between August and September, September experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and an average of 25°C (77°F), while August has a minimum of 22°C (72°F) and an average of 27°C (80°F). Additionally, September sees significantly higher precipitation, totaling 197 mm (7.8 in) over 17 days, compared to August's 119 mm (4.7 in) across just 10 days. Humidity levels are also notable, with September at 86% and August slightly higher at 90%. For more detailed insights, you can check Tateyama weather in August.
September typically boasts warmer temperatures than October, with an average temperature of 25°C (77°F) compared to October's 21°C (70°F). While September experiences a high of 29°C (84°F), October's maximum reaches 27°C (81°F). Both months see significant rainfall, with October registering higher precipitation levels at 308 mm (12.1 in) over 16 days, compared to September's 197 mm (7.8 in) over 17 days. Humidity levels remain similar in both months, with September at 86% and October slightly lower at 83%. For more detailed information, you can check Tateyama weather in October.
In September, the weather is warm and humid, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 29°C (84°F) and an average of 25°C (77°F). This month sees a significant amount of rainfall, totaling 197 mm (7.8 in) across 17 days, making it one of the wetter months of the year, accompanied by high humidity at 86%.
In contrast, November experiences much cooler temperatures, with a minimum of 8°C (47°F), an average of 17°C (63°F), and a maximum of 23°C (73°F). The precipitation decreases to 134 mm (5.3 in) over 13 days, and humidity also drops slightly to 80%. This shift indicates a transition into the cooler months, making November more comfortable for outdoor activities compared to the sticky warmth of September. To learn more about the specifics of November weather, you can visit Tateyama weather in November.
In September, the weather is significantly warmer, with average temperatures around 25°C (77°F) and maximums reaching up to 29°C (84°F). The month is quite humid, with an average humidity of 86% and considerable rainfall totaling 197 mm (7.8 in) across 17 days. In contrast, December brings much cooler temperatures, averaging only 12°C (54°F) and peaking at 22°C (71°F). The month is drier, with precipitation of 80 mm (3.1 in) over just 10 days and a lower humidity rate of 78%. For more detailed information about December weather in Tateyama, visit Tateyama weather in December.
As September unfolds in Tateyama, the weather showcases a notable transition from the warmer summer months to the gentle embrace of autumn. With temperatures averaging a cozy 25°C, this month is characterized by its high humidity levels that often make the air feel even warmer. Frequent rainfall, with nearly half the days marked by precipitation, adds a refreshing touch to the landscape, resulting in lush greenery that breathes life into the scenery. This unique blend of warmth and moisture sets September apart from the typically drier and hotter summer months, making it an ideal time for those who appreciate the beauty of a vibrant and dynamic climate. To dive deeper into Tateyama's weather patterns throughout the year, explore Tateyama Climate.