Last updated: August 21, 2025
In September, Kamiamakusa, Japan, experiences a dynamic blend of warm temperatures and considerable rainfall, making it a month of transition. With a maximum temperature reaching up to 34°C (93°F) and an average temperature of 25°C (78°F), the days can be quite balmy. However, the cooler evenings bring relief, with minimum temps dipping to 17°C (63°F). This period sees significant precipitation, totaling 198 mm (7.8 in) over approximately 15 days, resulting in a high humidity level of 84%. Therefore, visitors should come prepared for both warm weather and potential rain, allowing for a rich exploration of this enchanting region.
In September, Kamiamakusa begins to transition from the sultry summer heat, with temperatures ranging from a comfortable minimum of 17°C (63°F) to a high of 34°C (93°F). The average temperature settles around 25°C (78°F), making it an ideal time to enjoy the lingering warmth before the cooler autumn days set in. This month marks a noticeable decrease in temperature compared to the sweltering peaks of August, where highs reached up to 36°C (96°F). As September progresses, the air feels more refreshing, inviting outdoor adventures while still retaining the remnants of summer’s heat. Overall, it's a period of delightful balance, where sunshine still reigns but offers a more palatable climate for exploration.
In September, Kamiamakusa experiences a significant yet moderate shift in precipitation, receiving 198 mm (7.8 in) over 15 days. This amount marks a decrease from the heavy downpours of July and August, where rainfall peaked at 427 mm (16.8 in) and 246 mm (9.7 in), respectively. As the region transitions into autumn, September's rainfall brings relief from the summer heat while maintaining a steady rhythm of wet days. The dip in precipitation, when compared to the summer months, indicates a gradual easing into drier conditions, setting the stage for the cooler, less humid months ahead. Overall, this month reflects a balance—enough rain to sustain the lush landscape, yet lessening the intensity of the summer storms.
As summer gives way to autumn in Kamiamakusa, Japan, September experiences humidity at 84%, showcasing a slight decline from the peak levels of July and August, which often saw humidity soar to 92% and 91%, respectively. This gradual decrease hints at the end of the sweltering season, yet humidity remains significantly elevated compared to the drier winter months, where levels hover around 75% to 79%. The increase in humidity from January through the summer months reflects the lush tropical climate, but by September, it appears the region is poised for a milder transition, maintaining a warm atmosphere while hinting at the crispness of autumn on the horizon.
As September rolls into Kamiamakusa, Japan, the UV Index remains notably high at 11, categorizing it as extreme and making sun safety a top priority. This month's UV levels slightly dip from August's peak of 13, yet they still demand attention, with a burn time of just 10 minutes. The trend through the summer months demonstrates consistently high UV exposure, with values reaching 12 and above from May to August. As the days grow shorter heading into fall, October brings a moderate decrease to 8, but September's intensity still calls for protective measures. For those planning outdoor activities, be prepared and informed. Stay protected and check the forecast at Kamiamakusa UV Index for the best sun safety practices.
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As the summer sun begins to wane, September in Kamiamakusa, Japan still basks in a generous 264 hours of sunshine, making it a delightful buffer between the sultry highs of August and the cooler days that follow in October. This month marks a gradual transition, showcasing a slight decrease from the peak of 305 hours in August, yet it remains vibrant compared to the earlier months like January and February, which average around 190 to 236 hours. The trend of increasing sunshine hours throughout the spring into the summer highlights the region’s climate, drawing visitors to savor the lingering warmth and outdoor activities before the crisp autumn air settles in. As September unfolds, the balance of sunshine invites both relaxation and adventure, ensuring that the beauty of Kamiamakusa is still on full display.
As September rolls in, the likelihood of sunny weather in Kamiamakusa, Japan, sits at 34%, marking a modest uptick compared to the summer months of July and August, which recorded only 19% and 27% respectively. This increase hints at a transition towards more stable conditions, although it remains on the lower side when compared to earlier months like January and April, both hovering around 40%. Interestingly, October follows with a significant jump to 61%, suggesting that while September may present a mix of clouds and sun, clearer skies are just around the corner. Embrace the warmth of early autumn, but be prepared for occasional showers as summer fades.
As summer wanes and autumn approaches, September in Kamiamakusa, Japan, eases into a comfortable rhythm with approximately 12 hours of daylight. This marks a gradual decline from the peak of 14 hours seen in the height of summer, reflecting the natural ebb of sunlight as the year transitions. Following the vibrant long days of June and July, the shortening daylight in September heralds the onset of cooler months, while still offering plenty of time for outdoor adventures before the days grow short and crisp in October. The shift in daylight duration not only influences daily activities but also paints the landscape of Kamiamakusa with the rich colors of fall, making each moment spent outdoors particularly enchanting.
In September, the wind in Kamiamakusa, Japan tends to be gentler, with an average speed of 2.0 m/s (4 mph), which marks a noticeable decline from the summer months. This reduction follows a warmer season characterized by relatively brisk winds in July and August. Interestingly, the wind speeds exhibit a consistent downward trend as the year progresses into late summer and early autumn. While January and February boast slightly higher averages of 2.7 m/s, the gentle September breeze creates a serene atmosphere, inviting locals and visitors to enjoy the tranquil landscapes as the vibrant colors of autumn begin to emerge. As October approaches, a mild uptick to 2.1 m/s hints at nature's subtle transition, making it an ideal time for outdoor exploration.
Weather in Kamiamakusa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kamiamakusa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, weather conditions are characterized by warm temperatures, with a minimum of 17°C (63°F), an average of 25°C (78°F), and a maximum reaching up to 34°C (93°F). This month experiences significant rainfall, averaging 198 mm (7.8 in) over about 15 days, accompanied by high humidity levels of 84%. In contrast, January presents a starkly different climate, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 19°C (66°F) and an average of only 7°C (46°F). Precipitation in January is considerably lower, totaling 60 mm (2.4 in) over just 6 days, with humidity decreasing to 75%. For more details on the specific conditions in January, you can visit Kamiamakusa weather in January.
September and February offer starkly contrasting weather conditions. In September, temperatures range from a mild 17°C (63°F) at night, peaking at a scorching 34°C (93°F) during the day, with an average of 25°C (78°F). The month experiences significant rainfall, totaling 198 mm (7.8 in) over 15 days, paired with a high humidity level of 84%. In contrast, February features much cooler temperatures, with nighttime lows dropping to -1°C (31°F) and daytime highs reaching up to 19°C (67°F), averaging around 8°C (47°F). Precipitation is less frequent, at 98 mm (3.9 in), occurring over 10 days, and humidity is lower at 71%. For more detailed information on February's climate, you can visit Kamiamakusa weather in February.
In comparing the weather of September and March, it is evident that September tends to be much warmer and more humid. With average temperatures reaching 25°C (78°F) and maximums soaring to 34°C (93°F), September experiences a tropical feel, alongside high humidity levels of 84%. The month also sees significant rainfall, with 198 mm (7.8 in) occurring over approximately 15 days.
Conversely, March is considerably cooler, with average temperatures around 13°C (55°F) and maximums only reaching 23°C (74°F). Even though March has some precipitation, totaling 140 mm (5.5 in) over 13 days, the overall humidity is lower at 71%. For more detailed information on the weather in March, you can check Kamiamakusa weather in March.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 34°C (93°F) and an average of 25°C (78°F). This month also experiences considerable rainfall, with 198 mm (7.8 in) spread over 15 days, contributing to a humidity level of 84%. In contrast, April presents a cooler climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (79°F) and an average of 17°C (62°F). Precipitation in April is milder at 135 mm (5.3 in) over 10 days, accompanied by a slightly lower humidity level of 78%. For a detailed look at the weather specifics in April, check out Kamiamakusa weather in April.
Comparing September and May weather reveals notable differences in temperature and precipitation patterns. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 34°C (93°F), with an average of 25°C (78°F), while May features cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 29°C (84°F), averaging 21°C (70°F). Both months experience high humidity levels at 84%, but September tends to be wetter, receiving 198 mm (7.8 inches) of rain over 15 days compared to May's 213 mm (8.4 inches) over 12 days. For more details about May weather, check out Kamiamakusa weather in May.
In comparing the weather between September and June, both months display relatively warm and humid conditions. September sees a slight increase in average temperature, with a minimum of 17°C (63°F) and a maximum reaching 34°C (93°F), while June has a slightly cooler minimum of 16°C (61°F) and a maximum of 31°C (88°F). However, June experiences greater precipitation, totaling 307 mm (12.1 in) over 17 days compared to September’s 198 mm (7.8 in) across 15 days. Humidity is also high in both months, with September at 84% and June slightly higher at 86%. For a more detailed look at the June weather specifics, you can explore Kamiamakusa weather in June.
When comparing the weather in September and July, several key differences emerge. September experiences a slightly wider temperature range, with minimums around 17°C (63°F) and maximums reaching 34°C (93°F), resulting in a comfortable average of 25°C (78°F). However, it also sees significant rainfall with a total precipitation of 198 mm (7.8 in) spread over 15 rainy days, combined with a humidity level of 84%. In contrast, July is warmer overall, starting at a minimum of 21°C (69°F) and showing a similar maximum of 34°C (94°F), leading to an average of 27°C (81°F). Notably, July is more humid, with a humidity level of 92%, and experiences higher precipitation at 427 mm (16.8 in) over 19 days. For more detailed insights on the July weather, you can visit Kamiamakusa weather in July.
In August, the weather tends to be hotter and more humid compared to September, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 36°C (96°F) and an average of 29°C (84°F). Precipitation is also higher in August, totaling 246 mm (9.7 in) over 16 days, along with a humidity level peaking at 91%. In contrast, September sees milder temperatures, with a minimum of 17°C (63°F), an average of 25°C (78°F), and a maximum of 34°C (93°F). Despite a slight decrease in precipitation at 198 mm (7.8 in) over 15 days, the humidity remains relatively high at 84%. For more detailed insights into August weather patterns, check out Kamiamakusa weather in August.
September and October present a notable transition in weather patterns. September boasts warmer temperatures, with an average of 25°C (78°F) and highs reaching up to 34°C (93°F), while October sees a decrease in the average temperature to 21°C (69°F) and a maximum of 32°C (89°F). In terms of precipitation, September is significantly wetter, receiving 198 mm (7.8 in) over 15 days, compared to October's 124 mm (4.9 in) over just 10 days. Humidity levels remain relatively stable, with September at 84% and October slightly lower at 83%. For more detailed insights into October's weather, you can check Kamiamakusa weather in October.
September and November present marked contrasts in weather conditions. September typically experiences warmer temperatures, with a minimum of 17°C (63°F) and an average high of 34°C (93°F), while November cools down significantly, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 24°C (76°F). Precipitation is also notably higher in September, with 198 mm (7.8 in) of rainfall over 15 days, compared to November’s 85 mm (3.3 in) spread over just 9 days. Humidity remains relatively high in both months, at 84% for September and slightly lower at 81% in November. For more details, check out Kamiamakusa weather in November.
September and December showcase a significant contrast in weather conditions. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 34°C (93°F), with an average of 25°C (78°F). The month is characterized by high humidity at 84% and considerable precipitation, totaling 198 mm (7.8 in) over 15 days. In stark contrast, December sees much cooler temperatures, with a minimum of 0°C (33°F), an average of 9°C (48°F), and a maximum of 23°C (74°F). This month experiences less humidity at 79% and significantly reduced precipitation of 86 mm (3.4 in) over just 7 days. For more detailed information, you can check Kamiamakusa weather in December.
As September arrives in Kamiamakusa, the weather takes on a distinct character, marked by a delightful warmth that lingers from the summer months. While temperatures remain relatively high, with an average of 25°C, this month is notably characterized by increased humidity and a good amount of precipitation, which brings lush greenery to the landscape. Unlike the drier summer months, September sees about 15 days of rain, making it one of the wetter times of the year. The combination of warmth and higher humidity levels gives the air a soft, tropical feel, inviting you to embrace the unique charm of the region during this transitional period. For more insights into how September's climate compares to other months, check out the detailed information on the Kamiamakusa Climate.