Last updated: August 21, 2025
In September, Rausu, Japan experiences a transition into cooler weather, with maximum temperatures reaching 26°C (80°F) and an average of 16°C (62°F). The minimum temperature dips to 9°C (48°F), making it a notable month for those enjoying the crisp air. With precipitation totaling 102 mm (4.0 in) over 11 days, the region sees plenty of rainy spells, contributing to its lush landscapes. The humidity lingers at a high 89%, enhancing the freshness in the air and creating a vibrant atmosphere for visitors and locals alike.
In Rausu, Japan, September marks a delightful transition into autumn. Temperatures during this month reveal a gentle warming trend, with minimums averaging around 9°C (48°F) and maximums reaching a pleasant 26°C (80°F). The average temperature stabilizes at 16°C (62°F), providing a crisp, refreshing atmosphere perfect for exploring the surrounding natural beauty. As the days begin to shorten and summer gives way to fall, the region showcases a beautiful blend of mild warmth and cool breezes, making it an enchanting time for visitors to experience the vibrant landscapes and rich culture of Rausu.
In September, Rausu, Japan, experiences a notable shift as precipitation increases, with the month recording 102 mm (4.0 in) of rainfall over 11 days. This uptick follows the summer's peak, where August brought in the highest volumes at 109 mm (4.3 in), indicating a gradual transition into the wetter autumn months. Notably, October looms with even greater expectations, forecasting a significant jump to 182 mm (7.2 in), hinting at the impending seasonal shifts. The consistency in rainfall days throughout September reflects a balanced rain pattern, enhancing the lush landscapes that characterize this charming coastal town as it moves toward the wetter months ahead.
In September, Rausu, Japan experiences a notable shift in humidity as it begins to taper off from the summer's peak. With humidity levels reaching 89%, this month marks a decrease from the sweltering heights of 97% observed in August. This transition reflects the gradual change in the seasons as autumn approaches, bringing a slight relief from the intense moisture of the preceding months. Overall, the trend showcases a humid climate throughout the year, yet September's drop hints at the approaching cooler months, suggesting a refreshing shift from the summer's high humidity, which climaxes in July and August. As the year progresses towards October, humidity settles back to 80%, continuing the downward trend into the fall.
In September, Rausu, Japan experiences a notable transition in the UV Index, reflecting both the waning summer sun and the approach of autumn. With a UV Index of 7, categorized as high, outdoor enthusiasts should be mindful of their sun exposure, as the recommended burn time is 25 minutes. This slight decrease from the peak summer months—where numbers reached 10 in July—indicates that while the risk of harm from unprotected sun exposure is still present, it's more manageable compared to the peak of summer. As the season shifts, those planning outdoor activities in September should still prioritize sun protection, ensuring a safe and enjoyable experience. For more detailed information, visit Rausu UV Index.
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As September arrives in Rausu, Japan, the lingering warmth of summer is reflected in its 264 hours of sunshine, a slight dip from August's vibrant 266 hours. This transition marks the tail end of a sun-drenched season, where the days have progressively brightened since the long winter months, starting with just 153 hours of sunlight in January. The increase in sunshine during the spring and summer months underscores a shift in energy and atmosphere, peaking in July with 316 hours. As autumn unfolds, September’s sunshine prepares the landscape for the cooler months ahead, while still embracing the golden hues of the waning summer sun. This gradual decline in daylight foreshadows the cozy shifts of October and November, reminding us of the cyclical beauty found within Rausu's changing seasons.
In Rausu, Japan, the likelihood of sunny weather in September stands at 39%, making it a relatively bright start to the autumn season. This marks an encouraging uptick from the summer months, where sunshine dipped to 27% and 29% in July and August, respectively. As the year progresses, a noticeable trend emerges: the probability of sunny days begins to rise again in the fall, with October and November peaking at 34% and 42%. This suggests that while summer may have its cloudy moments, September offers a pleasant balance of sun and cooler temperatures, paving the way for a beautiful transition into autumn.
As summer fades into autumn in Rausu, Japan, September marks a gentle transition, with daylight lasting approximately 12 hours. Following the peak of 15 hours in June and July, the daylight hours gradually taper off while still offering a comfortable amount of sunlight. This month serves as a bridge, echoing the vibrant light of late summer before moving toward the shorter days of October, when daylight dips back to 10 hours. The gradual decline from the longer days of summer reflects nature's rhythm, as Rausu prepares for autumn's arrival, bringing a serene shift in the landscape and ambiance.
As September arrives in Rausu, Japan, the average wind speed picks up slightly to 4.2 m/s (9 mph), offering a gentle breeze that marks the transition into autumn. This month serves as a bridge between the quieter summer winds, which lingered at 3.7 to 3.9 m/s, and the stronger gusts of the approaching winter months, where speeds begin to climb back to a more robust 5.3 m/s in November. The gradual increase in wind speed from late summer into autumn suggests a shift in weather patterns, with September acting as a harmonious prelude to the crisp conditions that winter brings. Overall, Rausu's wind patterns reflect a rhythmic dance, oscillating between serene summers and brisk winters, inviting both reflection and reinvigoration.
Weather in Rausu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Rausu, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in September contrasts sharply with that of January. September typically offers milder temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 26°C (80°F), with an average of 16°C (62°F). This month experiences significant rainfall, totaling 102 mm (4.0 in) across 11 days, along with high humidity levels at 89%. In stark contrast, January is characterized by much colder conditions, with temperatures plummeting to a minimum of -12°C (11°F) and only reaching a maximum of 5°C (42°F), averaging -5°C (24°F). Although January sees less precipitation at 59 mm (2.3 in) over 14 days, the humidity is lower at 78%. For a closer look at January weather specifics, you can visit Rausu weather in January.
When comparing the weather in September and February, a stark contrast emerges. September boasts milder temperatures with a minimum of 9°C (48°F) and an average of around 16°C (62°F), reaching up to 26°C (80°F) at its maximum. This month also experiences considerable humidity at 89% and notable rainfall, with 102 mm (4.0 in) spread over 11 days. In contrast, February presents a chilling atmosphere, characterized by frigid temperatures ranging from a minimum of -17°C (1°F) to a maximum of just 6°C (42°F), making it significantly colder overall, with an average of -6°C (21°F). February sees less precipitation at 54 mm (2.1 in) over 10 days, and while humidity is lower at 77%, the cold air dominates the month. For a closer look at weather conditions during this chilly month, you can refer to Rausu weather in February.
When comparing the weather in September and March, we observe a striking contrast in temperatures and climate conditions. September enjoys a mild range, with minimum temperatures around 9°C (48°F) and maximums reaching up to 26°C (80°F), while March lingers in the cold, with minimums plummeting to -13°C (8°F) and maximums only reaching 11°C (53°F). Although September experiences slightly higher precipitation at 102 mm (4.0 in) over 11 days, March closely follows with 81 mm (3.2 in) over just 10 days. Humidity levels are also notably higher in September at 89%, compared to March’s 80%. For more details on March weather specifics, you can check Rausu weather in March.
In September, the weather typically presents a warm transition into autumn, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (80°F), and an average of 16°C (62°F). The month experiences 102 mm (4.0 in) of precipitation over 11 days, paired with high humidity at 89%. In contrast, April, while spring is just beginning, sees much cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 14°C (58°F), averaging only 2°C (36°F). This month receives less rainfall, totaling 67 mm (2.7 in) over the same number of days, and maintains a slightly lower humidity at 86%. For more detailed information about weather patterns in April, check out Rausu weather in April.
When comparing the weather in September and May, we see notable differences in temperature and precipitation patterns. September typically enjoys warmer temperatures with an average of 16°C (62°F), peaking at a maximum of 26°C (80°F), while May presents a cooler climate, with an average of 7°C (45°F) and a maximum of 25°C (77°F). Additionally, September experiences higher humidity at 89% compared to May's 91%. While both months have a similar amount of precipitation—with September receiving 102 mm (4.0 in) over 11 days and May showing 90 mm (3.5 in) over 12 days—the weather in September tends to be more conducive to outdoor activities due to the warmer conditions. For a closer look at May's climate specifics, check out Rausu weather in May.
September generally offers warmer temperatures compared to June, with average highs reaching 26°C (80°F) compared to June's maximum of 22°C (71°F). While September features a minimum temperature of 9°C (48°F), June starts a bit cooler at 3°C (39°F). Both months experience considerable humidity, with September at 89% and June slightly higher at 94%. Precipitation levels are somewhat similar, with September receiving 102 mm (4.0 in) over 11 days, while June has 89 mm (3.5 in) spread across 10 days. For a closer look at June weather patterns, you can visit Rausu weather in June.
When comparing the weather in September and July, we notice some distinct differences. In September, the minimum temperature is slightly higher at 9°C compared to July's 8°C, while the average temperature rises to 16°C, which is just above July's average of 15°C. Both months experience maximum temperatures that hover around 26-27°C. However, September is wetter, receiving 102 mm of precipitation over 11 days, whereas July has only 74 mm over 8 days, resulting in a slightly lower humidity level of 89% compared to July's 96%. For more details about July weather, you can check Rausu weather in July.
In comparing the weather between August and September, we can see some notable differences. September experiences a cooler range of temperatures, with minimums dropping to 9°C (48°F) compared to August's 12°C (54°F). Both months have the same maximum temperature of 26°C (79°F), but September has a slightly lower average at 16°C (62°F) versus August's 17°C (63°F). Precipitation in September is slightly lower at 102 mm (4.0 in) over 11 days, compared to August's 109 mm (4.3 in) over 12 days. Additionally, humidity levels remain high in both months, with September at 89% and August peaking at 97%. For a more detailed look at August weather, check out Rausu weather in August.
September presents a warmer climate compared to October, with temperatures ranging from a minimum of 9°C (48°F) and an average of 16°C (62°F), peaking at 26°C (80°F). The month experiences a fair amount of rain, with 102 mm (4.0 in) falling over 11 days, and humidity levels lingering at a high 89%. In contrast, October sees a notable drop in temperature, with a minimum of 4°C (39°F), an average of 12°C (54°F), and a maximum of 19°C (67°F). Precipitation also increases significantly in October, totaling 182 mm (7.2 in) and occurring over 16 days, while humidity decreases to 80%. For a more detailed look at October conditions, check out Rausu weather in October.
September offers a warmer climate with temperatures ranging from a mild 9°C (48°F) to a maximum of 26°C (80°F), making it a more comfortable month with relatively high humidity at 89%. However, it also sees considerable rainfall with 102 mm (4.0 in) of precipitation across 11 days. In contrast, November brings a significant drop in temperatures, with lows reaching -4°C (25°F) and an average of only 6°C (43°F), while highs peak at 15°C (59°F). Though November experiences slightly more precipitation at 113 mm (4.4 in), it spreads over a greater number of days, totaling 20. The humidity also decreases to 76%, contributing to a chillier feel. For more detailed weather information, you can check Rausu weather in November.
The weather in September is considerably milder compared to December, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (80°F). This month experiences significant rainfall, totaling 102 mm (4.0 in) over 11 days, and boasts a high humidity level of 89%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -8°C (18°F) and averaging around -1°C (30°F). Although December sees slightly less total precipitation at 91 mm (3.6 in), it is more spread out over 19 days and is accompanied by a lower humidity of 74%. For a detailed look at December's weather specifics, you can refer to Rausu weather in December.
As September unfolds in Rausu, the weather takes on a captivating character, distinct from the sweltering heat of summer. With an average temperature of 16°C and humidity levels peaking at 89%, the month embraces a refreshing chill, making it ideal for those seeking a break from warm-weather activities. Unlike the previous months, September brings increased precipitation, with rain gracing the area on 11 days, contributing to the lush landscape. This transitional period signals the approach of autumn, inviting visitors to experience the breathtaking natural beauty that Rausu offers. For a deeper insight into what the climate entails throughout the year, be sure to explore Rausu Climate.