Last updated: August 21, 2025
In Kasuga, Japan, September brings a blend of warm temperatures and significant rainfall that shapes the month’s unique climate. With maximum temperatures soaring up to 35°C (96°F) and an average of 24°C (76°F), visitors can expect a sultry atmosphere, often accompanied by high humidity levels reaching 84%. The city experiences approximately 206 mm (8.1 in) of rain over 15 days, making it one of the wetter months of the year. This combination of heat and moisture contributes to a lush environment, perfect for exploring the region's vibrant landscapes, albeit with the necessity of an umbrella at hand.
In September, Kasuga, Japan, experiences a delightful transition as summer's heat begins to wane. With daytime temperatures ranging from a pleasant 13°C (56°F) to a high of 35°C (96°F), the month boasts an average temperature of 24°C (76°F), making it a comfortable time for outdoor activities. This slight dip from the sweltering summer months is welcomed by both locals and visitors alike, as the warmth still lingers while the humidity starts to ease. As the season shifts towards autumn, September serves as a beautiful bridge, offering the perfect mix of warmth and coolness that invigorates the senses and hints at the changing foliage ahead.
In September, Kasuga experiences a notable shift as it transitions from the summer’s heavy rainfall to the milder autumn months. With 206 mm (8.1 in) of precipitation spread over 15 days, September retains significant moisture, though not as intense as the preceding months of July and August. This month marks a dip from the summer peaks, yet it still contributes to a rich tapestry of wet days, ensuring the lush landscapes remain vibrant. As autumn draws near, the frequent showers help prepare the ground for the cooler temperatures and changing foliage that follow in October. The consistent rainfall in September highlights the region's climatic pattern that thrives on a blend of both abundance and transition.
September in Kasuga, Japan, marks a transition as the summer's peak humidity begins to wane, settling at a comfortable 84%. This month showcases a notable drop from the sweltering 92% in July and 91% in August, signaling the onset of autumn. While humidity remains relatively high compared to the colder months, there's a clear trend: the increasingly drier conditions point towards the shift in seasons. Following a string of humid summer months, September offers a brief reprieve, inviting residents and visitors alike to enjoy the late summer warmth with a hint of fall in the air. As the months progress, humidity levels will continue to decline, wrapping up the year's cycle in Kasuga.
In September, the UV Index in Kasuga, Japan, remains at a significant 11, categorizing the exposure level as extreme. This trend is consistent with the preceding summer months, where the index reached its peak at 12 in both July and August. With a burn time of just 10 minutes, it’s essential for residents and visitors to take proper sun protection measures during this month. As summer transitions into autumn, the UV Index is projected to decrease in October, dipping to 7, indicating a move from extreme to high exposure levels. Stay informed and protect your skin with comprehensive sun safety strategies throughout the year. For more information, visit Kasuga UV Index.
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As September unfolds in Kasuga, Japan, the golden rays of sunshine begin to dwindle, contributing 256 hours of sunlit beauty, a slight dip from the vibrant summer months. The peak of August, with an impressive 304 hours of sunlight, marks the height of warmth and outdoor enjoyment, while September serves as a gentle transition into the cooler autumn days. This month showcases a noticeable decrease, although it remains well above the winter lows of January and February, highlighting the lingering warmth of summer. The trend illustrates a gradual retreat of sunlight, yet September is still a splendid time to bask in the fading sunshine before the crispness of October envelops the landscape.
In September, the likelihood of sunny weather in Kasuga, Japan, stands at 30%, mirroring the somewhat unpredictable patterns seen during the late summer months. Just before this, August experiences a slightly higher chance of sun at 25%, while the overall trend leading into fall shows a notable improvement in sunshine probabilities. As the seasons transition, October shines with a robust 60%, suggesting a shift toward clearer skies. This gradual increase hints at a noteworthy seasonal shift, making September a transitional month where sunny days are possible but not guaranteed, setting the stage for the bright days that follow.
As summer transitions into autumn, September in Kasuga, Japan serves as a gentle reminder of the changing seasons, with daylight lasting approximately 12 hours. Following the peak of 14 hours in June and July, daylight begins to wane, signaling the gradual approach of shorter days. This month, although slightly diminished compared to the vibrant summer, still offers a beautiful balance of light, allowing for enjoyable outings as the leaves start to hint at fall colors. With the daylight duration steadily declining into October's 11 hours, September offers a final taste of summer's generosity before the cozy embrace of autumn takes over.
In September, the winds in Kasuga, Japan offer a gentle breath at an average speed of 2.2 m/s (5 mph), mirroring the calm of the summer months that preceded it. This consistent breeze marks a transition from the more variable gusts of late spring and early summer, which fluctuated between 1.6 m/s and 3.1 m/s. As the year progresses into autumn, the winds begin to settle, with September’s light air transitioning into the slightly cooler October breezes. Notably, the seasons in Kasuga showcase a distinct pattern; while winter months typically boast higher wind speeds, it is during the late summer and early fall that the winds mellow, providing a serene backdrop for the changing landscape.
Weather in Kasuga varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kasuga, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather patterns. In September, temperatures range from a mild 13°C (56°F) at night to a warm 35°C (96°F) during the day, accompanied by a significant amount of rainfall totaling 206 mm (8.1 in) across about 15 days, leading to high humidity levels of 84%. Conversely, January brings much cooler conditions, with temperatures dropping to a minimum of -3°C (26°F) and peaking at 17°C (63°F). Precipitation is also significantly reduced in January, averaging just 58 mm (2.3 in) over 8 days, and humidity levels drop to 75%. For more details on January weather, visit Kasuga weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures can soar from a minimum of 13°C (56°F) to a maximum of 35°C (96°F), with an average around 24°C (76°F). The month is characterized by high humidity at 84% and considerable precipitation, with about 206 mm (8.1 in) falling over approximately 15 days. In contrast, February experiences a much colder climate, where temperatures range from a frigid minimum of -3°C (26°F) to a more moderate maximum of 22°C (72°F), with an average of 7°C (45°F). Precipitation is significantly less during this month, totaling around 80 mm (3.1 in) over about 10 days, and humidity levels drop to 71%. For more details, you can check Kasuga weather in February.
September and March exhibit strikingly different weather patterns. September boasts warmer temperatures with a minimum of 13°C (56°F) and an average of 24°C (76°F), reaching highs of 35°C (96°F). In contrast, March experiences cooler conditions, with temperatures dipping to a minimum of -1°C (31°F) and averaging just 11°C (52°F), peaking at 23°C (73°F). Additionally, September is characterized by higher precipitation, recording 206 mm (8.1 in) over about 15 days, compared to March's 121 mm (4.8 in) over 11 days. Humidity is also notably higher in September at 84%, while March maintains a more moderate level of 71%. For a more detailed look at the weather this month, visit Kasuga weather in March.
In September, the weather tends to be significantly warmer than in April, with average temperatures reaching around 24°C (76°F) and potential highs of up to 35°C (96°F). Additionally, September is marked by higher humidity, averaging 84%, and experiences more rainfall, totaling 206 mm (8.1 in) over approximately 15 days. In contrast, April sees milder temperatures, with lows around 2°C (37°F) and highs peaking at 28°C (83°F). This month typically has less rain, with total precipitation of 115 mm (4.5 in) over 9 days, and slightly lower humidity at 78%. For a closer look at weather patterns, you can check Kasuga weather in April.
In comparing the weather of September and May, September features warmer temperatures, with a minimum of 13°C (56°F) and an average of 24°C (76°F), peaking at 35°C (96°F). In contrast, May starts cooler, with a minimum of 7°C (44°F) and an average of 20°C (68°F), reaching a maximum of 31°C (88°F). Both months experience similar humidity levels at 84%, but September sees more precipitation overall, with 206 mm (8.1 in) across 15 days compared to May's 163 mm (6.4 in) over 12 days. For more information on May weather specifically, you can check Kasuga weather in May.
In comparing the weather between September and June, we see some intriguing similarities and differences. September enjoys a slightly broader temperature range, with minimums at 13°C (56°F) and maximums reaching up to 35°C (96°F), while June has minimums at 14°C (58°F) and maximums peaking at 33°C (91°F). Both months experience significant precipitation, with September receiving 206 mm (8.1 in) over 15 days and June getting 199 mm (7.8 in) over 14 days. Humidity levels are quite comparable, with September at 84% and June slightly higher at 86%. For a more detailed look at the weather patterns, you can check out Kasuga weather in June.
In comparing the weather of September and July, we observe notable differences in temperature and precipitation. September offers a slightly cooler climate, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 35°C (96°F) and an average of 24°C (76°F). Conversely, July is warmer, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 36°C (98°F), averaging around 27°C (81°F). When it comes to precipitation, September sees 206 mm (8.1 in) over 15 days, while July experiences significantly more rainfall at 367 mm (14.4 in) over 20 days. The humidity is also higher in July at 92%, compared to September's 84%. For more detailed insights, you can check Kasuga weather in July.
In comparing the weather between August and September, we observe notable differences in temperature and precipitation. August experiences warmer temperatures, ranging from a minimum of 19°C (66°F) to a maximum of 37°C (100°F), with an average of 28°C (83°F). Conversely, September sees cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 35°C (96°F), averaging 24°C (76°F). Additionally, September is marked by a decrease in total precipitation to 206 mm (8.1 in) compared to August's higher total of 303 mm (11.9 in), although both months receive rainfall on about 15 days. Humidity levels are also slightly lower in September at 84%, compared to August's 91%. For further details on the weather in August, you can visit Kasuga weather in August.
September is characterized by warmer temperatures, with a minimum of 13°C (56°F) and average highs reaching up to 35°C (96°F). The month also sees significant precipitation, totaling 206 mm (8.1 in) over 15 days, accompanied by a high humidity level of 84%.
In contrast, October experiences cooler temperatures, with a minimum of 8°C (47°F) and an average high of 32°C (89°F). Precipitation for October drops to 113 mm (4.5 in) across 10 days, and humidity remains slightly lower at 83%. This shift marks a transition from the heat of September to the more moderate fall weather typical of October. For more specific details, you can check out Kasuga weather in October.
September and November exhibit significant contrasts in weather. In September, temperatures are much warmer, ranging from a minimum of 13°C (56°F) to a maximum of 35°C (96°F), with an average of 24°C (76°F). Additionally, it experiences high precipitation of 206 mm (8.1 in) over 15 days, contributing to a high humidity level of 84%. In stark contrast, November brings cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 25°C (77°F), averaging at 13°C (56°F). The month sees much less rainfall, totaling only 52 mm (2.1 in) over just 7 days, and a slightly lower humidity level of 81%. For more detailed information on November's weather, you can visit Kasuga weather in November.
September weather is characterized by warmer temperatures, with a minimum of 13°C (56°F), an average of 24°C (76°F), and maximums reaching up to 35°C (96°F). This month also sees considerable precipitation, totaling 206 mm (8.1 in) over 15 days, along with high humidity levels at 84%. In contrast, December brings much cooler conditions, with temperatures ranging from a minimum of -1°C (31°F) to an average of 8°C (46°F), peaking at 23°C (73°F). Precipitation decreases significantly to 68 mm (2.7 in) over just 8 days, and humidity levels drop slightly to 79%. For those interested in specific weather patterns for December, further details can be found at Kasuga weather in December.
September in Kasuga transitions into a vibrant end of summer, marked by a blend of warmth and humidity that sets it apart from other months. With average temperatures hovering around a comfortable 24°C, the days can occasionally soar to 35°C, creating a dynamic climate for outdoor activities. However, the 15 days of rainfall contributing to a total of 206 mm adds a refreshing touch to the atmosphere, ensuring the landscape remains lush and green. This month stands out with a notable 84% humidity, which, while making the heat feel more intense, also enhances the charm of the surrounding nature. For those curious about the nuances in weather patterns throughout the year, explore more through Kasuga Climate.