Last updated: August 21, 2025
September in Zamami, Japan offers a warm and humid tropical retreat, with average temperatures hovering around 28°C (82°F). The maximum temperature can reach an inviting 30°C (87°F), while nights cool down to a comfy 24°C (76°F). However, prepare for a wet month ahead, as Zamami receives approximately 235 mm (9.3 in) of rainfall over the course of 19 days, resulting in a humidity level of around 82%. These conditions create a lush landscape, perfect for exploring the island's natural beauty amidst the occasional tropical shower.
As September unfolds in Zamami, Japan, temperatures remain warm and inviting, with minimums averaging 24°C (76°F) and highs peaking at a balmy 30°C (87°F). This month comfortably sits within the tail end of the summer season, maintaining an average temperature of 28°C (82°F) that mirrors August's heat. While the days are still hot, the gradual transition into autumn begins to hint at cooler evenings. With this warm yet pleasant climate, September offers an ideal time for outdoor adventures, making it a popular month for visitors looking to bask in late-summer warmth before the cooler months set in.
In September, Zamami, Japan, experiences a notable increase in precipitation, with 235 mm (9.3 in) of rain over 19 days. This marks a peak in the annual rainfall pattern, following the wettest month of June, which received 328 mm (12.9 in). The transition into fall sees a significant uptick in both the amount of rainfall and the frequency of rainy days, showcasing the island's tropical climate. As summer fades and autumn approaches, the consistent rainfall serves to rejuvenate the lush greenery, setting the stage for a vibrant landscape. This seasonal shift highlights how rainy periods in September are integral for the ecosystem, marking a transition while still embracing the residual warmth of summer.
In Zamami, Japan, September marks a slight dip in humidity levels, registering at 82%, following the peak of the summer months. The year begins with a high humidity average around 74% in January, gradually rising through the spring months before reaching a summer zenith of 86% in July. August sees a minor decrease to 83%, which continues into September. This pattern indicates a trend where humidity tends to be at its highest during the warmest months, tapering off into the fall. As autumn approaches, humidity levels ease further, settling down to 80% in October, hinting at the shifting climate as the year winds down. Overall, the year in Zamami showcases a strong summer influence, with humidity hovering around the 80% mark or higher during the hottest months and gradually transitioning to more comfortable levels as the seasons change.
In September, Zamami, Japan experiences a UV Index of 12, which categorizes the exposure as extreme and means you should be cautious if spending time outdoors, with a burn time of just 10 minutes. Following the trend observed throughout the summer months, September maintains a high level of UV intensity, slightly dropping from the peak of 13 observed in July and August. This highlights the need for diligent sun protection as the year transitions into fall. As the UV Index begins to wane in October, dipping to 9, it's essential to stay informed and prepared throughout September. For more detailed insights, explore the Zamami UV Index.
UV Risk Categories
September in Zamami, Japan, brings a significant abundance of sunshine, with 296 hours of bright, cheerful days. This month stands out as the tail end of a stellar summer, following the sun-drenched July and August, which boast 319 and 318 hours respectively. As the days transition into fall, September still holds on to the warm glow of summer while showing a slight decline in sunlight compared to its vibrant predecessors. This trend reflects the island's elongated summer season, where one can enjoy the lingering warmth and light before the cooler autumn months take over. Overall, September balances the vitality of summer with the subtle shift towards the serene beauty of the fall, making it a perfect time to relish the island's natural charm.
September in Zamami, Japan, boasts the highest likelihood of sunny weather, with a striking 61% chance of sun. This marks a significant increase from the summer months, particularly June, when sunshine is scarce, dropping to a mere 8%. As the year progresses, sunny days become more frequent again after a mid-year slump, with September serving as a delightful transition into autumn. This trend highlights that while summer can be unpredictable, early fall in Zamami offers an appealing mix of warmth and sunshine, making it an ideal time for outdoor activities and exploration.
As summer transitions into autumn, September in Zamami, Japan sees a delightful reduction in daylight hours, averaging about 12 hours of sunlight each day. This marks a subtle decline from the 13 hours of daylight typical in the summer months. The gradual shift is indicative of the changing seasons, as daylight steadily decreases from September to December. Following the peak of summer, this month offers a gentle moderation, leading into the cozy ambiance of fall, where shorter days create the perfect backdrop for picturesque sunsets and tranquil evenings. Overall, the daylight trends highlight the natural rhythm of Zamami's climate, celebrating both the warmth of summer and the serene beauty of autumn.
In September, Zamami, Japan, experiences a gentle shift in its weather patterns, characterized by a noticeable decrease in wind speed, averaging at 5.5 m/s (12 mph). This marks the calm before the brisk winds typically seen in the months to come. Following the summer's mild breezes, September's slow-paced winds create a serene atmosphere on the island, making it a perfect time for tranquil outdoor activities. As the year progresses, wind speeds gradually pick up again in October, reaching a lively 7.9 m/s (18 mph), signaling a transition into the more blustery months ahead. This cyclical pattern of changing winds not only shapes daily life in Zamami but also adds to the island's unique charm, blending calmness with vivacity as seasons shift.
Weather in Zamami varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Zamami, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures remain warm with a minimum of 24°C (76°F) and an average of 28°C (82°F), peaking at 30°C (87°F). This month also experiences significant precipitation, with 235 mm (9.3 in) over 19 days, coupled with high humidity at 82%. In stark contrast, January sees cooler temperatures, with a minimum of 12°C (54°F), an average of 19°C (66°F), and a maximum of 24°C (76°F). The winter month also has considerably less rainfall, totaling 99 mm (3.9 in) over just 11 days, and a slightly lower humidity level of 74%. For more details on weather patterns in January, check out Zamami weather in January.
September weather is characterized by significantly warmer temperatures, with averages around 28°C (82°F) and a high of 30°C (87°F), while February experiences much cooler conditions, averaging 19°C (66°F) and peaking at 24°C (75°F). Additionally, September sees higher precipitation, totaling 235 mm (9.3 in) over 19 days, compared to February's 101 mm (4.0 in) over just 13 days. Humidity levels are also more pronounced in September at 82%, compared to the lower 73% humidity that February offers. For a detailed overview of February's climate, you can visit Zamami weather in February.
September and March exhibit stark contrasts in weather conditions. September boasts higher temperatures, with a minimum of 24°C (76°F) and an average of 28°C (82°F), reaching a maximum of 30°C (87°F), making it considerably warmer than March, where temperatures range from a minimum of 14°C (57°F) to a maximum of 24°C (76°F) and an average of 20°C (68°F). Additionally, September experiences significantly more rainfall, totaling 235 mm (9.3 in) over 19 days, compared to March's 117 mm (4.6 in) during 12 days of precipitation. Humidity levels are also slightly higher in September at 82%, compared to 78% in March. For more specifics on March weather, you can visit Zamami weather in March.
In September, the weather tends to be warmer, with minimum temperatures averaging around 24°C (76°F) and maximums reaching up to 30°C (87°F). The month is also characterized by significant rainfall, with 235 mm (9.3 in) of precipitation over 19 days, creating a humid atmosphere with 82% humidity. In contrast, April offers a more moderate climate, where temperatures range from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), averaging 21°C (71°F). With 141 mm (5.6 in) of precipitation spread over 11 days, April experiences less rainfall and maintains similarly high humidity levels at 83%. For more specific details about April's weather, check out Zamami weather in April.
In September, the weather is generally warmer than in May, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 30°C (87°F). This month also sees higher precipitation levels, with 235 mm (9.3 in) over 19 rainy days, contributing to a humidity of 82%. In contrast, May features milder temperatures, with a minimum of 19°C (67°F) and a maximum of 28°C (82°F), while experiencing slightly less precipitation at 209 mm (8.2 in) over 13 days, and a higher humidity level of 85%. For more detailed information about the weather in May, you can visit Zamami weather in May.
In September, the weather tends to be slightly warmer with an average temperature of 28°C (82°F), compared to June's average of 27°C (80°F). While both months experience high humidity, September's at 82% is marginally lower than June's 85%. However, September sees less rainfall overall, with 235 mm (9.3 in) of precipitation over 19 days, compared to June's heftier 328 mm (12.9 in) over 20 days. This makes September feel somewhat drier despite the warmer temperatures. For more details on June weather, check out Zamami weather in June.
When comparing the weather in September and July, one can observe some notable differences. September tends to be slightly cooler, with a minimum temperature of 24°C (76°F) compared to July's 26°C (79°F). Both months share an average temperature of around 28°C (82°F), while their maximum temperatures remain consistent at 30°C (87°F). However, September sees significantly more precipitation, with 235 mm (9.3 in) falling over 19 days, compared to July's 200 mm (7.9 in) across just 13 days. Additionally, September's humidity is slightly lower at 82%, while July's humidity sits at 86%. For more details on July weather, visit Zamami weather in July.
In comparing the weather between September and August, both months show similar high temperatures, with average temperatures around 28°C (82°F) and maximums peaking at 30°C (87°F). However, September experiences slightly lower minimum temperatures, averaging 24°C (76°F), compared to August's 25°C (78°F). Precipitation also differs; September is wetter with 235 mm (9.3 in) over 19 days, while August received 198 mm (7.8 in) over 18 days. Humidity levels remain comparable, with September at 82% and August slightly higher at 83%. For more details, check out Zamami weather in August.
September experiences warmer temperatures compared to October, with averages of 28°C (82°F) and a maximum of 30°C (87°F) in September, while October's average drops to 26°C (79°F) with a maximum of 29°C (84°F). In addition to being slightly cooler, October also sees significantly less rainfall, with 136 mm (5.3 in) of precipitation over 13 days, compared to September's 235 mm (9.3 in) over 19 days. Humidity levels remain relatively similar, at 82% for September and 80% for October. For more detailed insights into the October weather, visit Zamami weather in October.
September weather is characterized by warmer temperatures, with averages around 28°C (82°F) and highs reaching up to 30°C (87°F). It also tends to be quite humid at 82% and experiences significant rainfall, averaging 235 mm over 19 days. In contrast, November brings a noticeable drop in temperatures, with daily averages around 23°C (74°F) and maximums of 27°C (80°F). The air is less humid at 78%, and there's considerably less precipitation, totaling 113 mm over 12 days. For a more detailed look at November conditions, you can check out Zamami weather in November.
In September, the weather is noticeably warmer, with average temperatures around 28°C (82°F) and maximums reaching up to 30°C (87°F). This month also sees significant precipitation, totaling 235 mm (9.3 in) over 19 days, accompanied by a humidity level of 82%. In contrast, December brings cooler temperatures, with an average of 20°C (69°F) and maximums of 26°C (79°F). Precipitation decreases to 172 mm (6.8 in) over 17 days, and humidity drops to 76%. For more specific insights into the conditions in December, check out Zamami weather in December.
As September unfolds in Zamami, it brings warm tropical temperatures that slightly dip from the peak summer heat, with averages around 28°C. While still basking in warmth, the island experiences a significant uptick in precipitation, marking one of the wetter months with an average of 19 rainy days. This increase in humidity, reaching around 82%, creates a lush, vibrant environment, contrasting sharply with the drier conditions typical of earlier months. If you’re planning a visit or simply curious about what to expect, check out Zamami Climate for a deeper dive into the island's weather patterns.