Last updated: August 21, 2025
In September, Abashiri, Japan, experiences a mild climate characterized by maximum temperatures reaching 27°C (81°F) and averaging around 17°C (64°F). As the month progresses, the minimum temperatures dip to about 10°C (50°F), creating a refreshing ambiance. With a total precipitation of 89 mm (3.5 in) spread over approximately 10 days, visitors can expect occasional rain, contributing to a hum of 89% humidity that adds to the region's atmospheric charm. This unique blend of temperatures and moisture creates an inviting environment, perfect for enjoying the stunning natural beauty of Abashiri.
In September, Abashiri, Japan transitions into a comfortable early autumn, with temperatures showing a notable warmth compared to the preceding months. The minimum temperature settles at a mild 10°C (50°F), while the average reaches 17°C (64°F), creating a pleasant backdrop for outdoor activities. With a maximum of 27°C (81°F), September is one of the last months to experience summer-like warmth before the chill of autumn sets in. This gradual cooling trend is consistent with the progression from the hotter months of July and August, where temperatures peak. As autumn approaches, Abashiri's weather provides a comfortable yet balmy ambiance, perfect for enjoying the stunning natural landscapes as they begin to change color.
In September, Abashiri experiences a noteworthy transition in its precipitation patterns, with 89 mm (3.5 in) of rainfall spread across 10 days. This marks a decline from the heavier downpours of August, which recorded 129 mm (5.1 in) over 14 days. The month offers a balanced blend of wet and dry spells, contributing to a moderate average before the typically wetter October, known for its 147 mm (5.8 in). This slight decrease in precipitation reflects a shift from the summer saturation, hinting at the encroaching cooler months while still maintaining a sense of lushness in the region.
In September, humidity in Abashiri, Japan tends to moderate slightly after the summer peak, registering at 89%. This dip follows a sultry August, where humidity soared to 96%, frequently making the air feel heavy and oppressive. As the region transitions from the warmth of summer to the cooler embrace of autumn, humidity generally decreases, with October experiencing a further drop to 83%. This seasonal pattern reveals a trend where Abashiri's humidity remains high during the summer months, particularly in July and August, before gradually declining into the fall. Such fluctuations create a unique climate experience, showcasing the area's characteristic moisture levels throughout the year.
In September, Abashiri experiences a significant shift in UV exposure as summer transitions into autumn. With a UV Index of 7, the exposure category is classified as high, necessitating a burn time of 25 minutes for unprotected skin. This marks a noticeable decrease from the peak summer months of July and August, where the UV Index soared to a maximum of 10 and 9, respectively, both categorized as very high. As the days grow shorter, sun protection remains essential, especially during midday hours when UV rays are most intense. For more detailed information on safe sun practices throughout the year, check out Abashiri UV Index.
UV Risk Categories
September in Abashiri, Japan, is marked by a delightful tapestry of sunlight, offering 264 hours of bright skies that gracefully transition from summer's warmth to autumn's embrace. As the season shifts, this month retains a significant portion of daylight, though it begins a gentle decline from the summer peak of 322 hours in July. This gradual decrease reflects a common pattern, with September enjoying more sunshine than the following months, such as October and November, which respectively offer 237 and 196 hours of sunlight. The steady sunlight in September serves as a vibrant reminder of the nature's splendor as the landscape begins to blush with fall colors, creating a picturesque backdrop for all who visit.
In September, the likelihood of sunny weather in Abashiri, Japan stands at a promising 42%, offering a pleasant transition from the summer months. This figure showcases a slight uptick compared to the just-below-average sunshine of the preceding months, like August's 39% and July's 44%. As the year progresses, September marks a pivotal moment, indicating a shift towards clearer skies, especially when juxtaposed with the comparatively lower chances in May (20%) and April (39%). In the broader context of the yearly spectrum, September reflects a favorable opportunity for outdoor activities, nestled between the lingering warmth of summer and the onset of autumn.
In Abashiri, Japan, the transition into September brings a shift in daylight that reflects the changing seasons. With 12 hours of daylight, this month marks a gentle decline from the peak of summer, where June and July bask in 15 hours of sunlight. September’s daylight duration provides a pleasant mix of warmth and early autumn ambiance, setting the stage for October, which sees further shortening of daylight to 10 hours. As the year progresses towards winter, the pattern reveals a steady decrease, with January ultimately offering just 9 hours of daylight, illuminating the cyclical nature of Abashiri's climate. The gradual dimming is a poignant reminder of the seasonal ebb and flow that characterizes this region.
In September in Abashiri, Japan, the winds begin to shift gears as summer gives way to autumn. With an average wind speed of 4.6 m/s (10 mph), this month marks a subtle uptick from the calmer breezes of the summer months, as both July and August recorded similar wind speeds. Interestingly, September's winds set the stage for the brisker conditions yet to come; October maintains the same average speed, while November and December see a noticeable increase to 5.4 m/s (12 mph) and 5.8 m/s (13 mph), respectively. This gradual rise in wind strength not only hints at the seasonal transition but also infuses the landscape with a refreshing vitality, inviting both locals and visitors to embrace the changing scenery.
Weather in Abashiri varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Abashiri, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures in Abashiri are relatively mild, ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), with an average of 17°C (64°F). The month typically sees about 89 mm (3.5 in) of precipitation over approximately 10 days, accompanied by high humidity at 89%. In contrast, January ushers in a starkly different climate, with temperatures plunging to a minimum of -16°C (4°F) and a maximum of just 6°C (42°F), resulting in a chilling average of -5°C (24°F). While January receives less precipitation at 49 mm (1.9 in), it spans around 12 days, and the humidity remains relatively high at 84%. For more specifics on the weather in January, check this link: Abashiri weather in January.
In comparing the weather between September and February, it’s clear that these months experience stark contrasts. September boasts mild temperatures ranging from a minimum of 10°C (50°F) to a pleasant maximum of 27°C (81°F), accompanied by 89 mm (3.5 in) of precipitation over 10 days and a high humidity level of 89%. In contrast, February brings frigid conditions, with temperatures plummeting to a minimum of -19°C (-2°F) and peaking at a mere 4°C (40°F). This month sees less rainfall at 50 mm (2.0 in) spread over 9 days, and slightly lower humidity at 83%. For more detailed insights, you can check out Abashiri weather in February.
In September, the weather is generally mild, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F) and an average of 17°C (64°F). The month sees about 89 mm (3.5 in) of precipitation across 10 days, coupled with high humidity levels at 89%. In contrast, March experiences colder conditions, with temperatures dipping as low as -14°C (7°F) and peaking at 12°C (54°F), averaging around -1°C (30°F). The month records 72 mm (2.8 in) of precipitation over the same number of rainy days, with humidity slightly lower at 83%. For more detailed information on March weather, you can check Abashiri weather in March.
When comparing the weather in September and April, notable differences emerge. September enjoys a milder climate with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), while April experiences much cooler conditions, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 19°C (67°F). Additionally, September sees significantly more precipitation, totaling 89 mm (3.5 in) over 10 days, compared to April’s 57 mm (2.3 in) over 11 days. Humidity levels are also higher in September, averaging around 89%, while April's humidity sits at a slightly lower 83%. For more detailed insights about April weather, you can visit Abashiri weather in April.
September and May present distinct weather patterns, each with its own unique characteristics. In September, temperatures range from a minimum of 10°C (50°F) to a comfortable maximum of 27°C (81°F), with an average of 17°C (64°F). The month sees significant precipitation, totaling 89 mm (3.5 in) over about 10 days, and the humidity hovers around 89%, contributing to a muggy atmosphere.
In contrast, May starts cool with minimum temperatures of 1°C (35°F) but can reach up to 28°C (82°F), resulting in an average of 9°C (49°F). The rainfall is slightly higher in May at 91 mm (3.6 in) across 13 days, while the humidity is a bit lower at 86%. For more details on the weather in May, you can check out Abashiri weather in May. Overall, while both months experience notable rainfall and warmth, September offers milder average temperatures and higher humidity compared to the cooler, albeit still pleasantly warm, May.
In September, the weather tends to be warmer compared to June, with average temperatures reaching 17°C (64°F) and maximums hitting 27°C (81°F), whereas June has a cooler average temperature of 13°C (56°F) and a maximum of 24°C (75°F). Additionally, September experiences slightly less rainfall, totaling 89 mm (3.5 in) over about 10 days, compared to June's 107 mm (4.2 in) spread over 13 days. Despite the warmer temperatures in September, both months show high humidity levels, with September at 89% and June at 88%. For a closer look at the weather in June, visit Abashiri weather in June.
September and July present similar yet distinct weather characteristics. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), with an average of 17°C (64°F). The month experiences slightly higher precipitation, totaling 89 mm (3.5 in) over about 10 days, and humidity remains high at 89%. In contrast, July boasts temperatures a bit warmer, with a minimum of 9°C (49°F), an average of 18°C (65°F), and a maximum of 29°C (84°F). July also has lower precipitation at 76 mm (3.0 in) spread over 8 days, with humidity peaking at 93%. Overall, while both months are mild and humid, September tends to be cooler and wetter than July. For more details on July weather, you can visit Abashiri weather in July.
In comparing the weather of September and August, September features slightly cooler temperatures, with a minimum of 10°C (50°F) and an average of 17°C (64°F), compared to August's warmer minimum of 13°C (56°F) and average of 19°C (67°F). While both months experience significant precipitation, September has less rainfall, totaling 89 mm (3.5 in) over 10 days, whereas August sees more rain at 129 mm (5.1 in) over 14 days. Additionally, humidity levels are high in both months, though August's 96% is noticeably higher than September's 89%. For more detailed information, you can check Abashiri weather in August.
September typically enjoys warmer weather with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F) and an average of 17°C (64°F). Although it can be quite humid at 89%, the precipitation of 89 mm (3.5 in) occurs over about 10 days. In contrast, October brings a notable drop in temperatures, with a minimum of 4°C (39°F) and a maximum of 22°C (72°F), leading to a cooler average of 12°C (54°F). However, October sees increased rainfall, totaling 147 mm (5.8 in) over 13 days, and slightly lower humidity at 83%. For a more detailed look at the weather in October, you can check Abashiri weather in October.
September and November present a stark contrast in weather conditions. In September, temperatures range from a mild 10°C (50°F) at night to a warm 27°C (81°F) during the day, with an average temperature of 17°C (64°F). The month experiences about 89 mm (3.5 in) of precipitation over approximately 10 days, and humidity levels are high at 89%. In comparison, November brings much cooler temperatures, ranging from a low of -4°C (24°F) to a maximum of 17°C (62°F), averaging just 6°C (42°F). Although precipitation is similar at 88 mm (3.5 in), it occurs over more days, approximately 16, and humidity decreases to 80%. For more specifics about November weather, you can check Abashiri weather in November.
September and December present notably different weather experiences. In September, temperatures are milder, with a minimum of 10°C (50°F) and an average of 17°C (64°F), peaking at a maximum of 27°C (81°F). The month sees quite a bit of rainfall, accumulating to 89 mm (3.5 in) over about 10 days, accompanied by high humidity levels at 89%. In contrast, December ushers in the chill of winter, with temperatures plummeting to a minimum of -9°C (16°F), an average of -1°C (30°F), and a maximum of 12°C (54°F). While it experiences slightly less precipitation at 61 mm (2.4 in) over 11 days, the humidity decreases to 79%. For a deeper look at winter conditions, check out Abashiri weather in December.
As summer gently transitions into autumn, September in Abashiri reveals a refreshing change in weather characterized by a comfortable mix of warmth and crispness. With average temperatures sitting at a pleasant 17°C, this month offers a reprieve from the heat of the summer while bringing increased humidity and notable rainfall. While the landscape starts to adopt warm hues, the cloudy skies and frequent showers define this time, setting it apart from the longer, brighter days of summer. For a deeper understanding of what to expect from the climate in this beautiful region, visit Abashiri Climate.