Last updated: August 21, 2025
In September, Ishikawa, Japan experiences a transition into autumn, characterized by a maximum temperature reaching 32°C (90°F) and an average of 20°C (68°F). As warm days shift towards cooler evenings, temperatures can drop to a refreshing minimum of 9°C (48°F). The region sees substantial rainfall, with a total precipitation of 158 mm (6.2 in) over 16 days, contributing to a high humidity level of 84%. This blend of warmth, moisture, and vibrant seasonal change creates a unique atmospheric experience, making September a compelling time to explore Ishikawa's rich cultural landscape.
In September, Ishikawa, Japan, begins to transition from the heat of summer to the crispness of autumn. The temperatures exhibit a pleasant range, with minimums around 9°C (48°F) and averages reaching 20°C (68°F), making it an ideal time for outdoor activities. As the month progresses, daytime highs can still soar to a comfortable 32°C (90°F), yet there’s a notable dip in warmth compared to the peak summer months. This shift not only marks a cooling trend but also invites vibrant fall foliage, making September a captivating blend of lingering warmth and emerging autumnal beauty.
In September, Ishikawa, Japan experiences a notable increase in precipitation, with 158 mm (6.2 in) of rain falling over 16 days. This uptick in rainfall marks a transitional phase from the summer months, where July and August typically dominate precipitation levels with 252 mm and 125 mm, respectively. As the region shifts into autumn, September’s rain serves to replenish the local environment, supporting the vibrant foliage that begins to emerge. Notably, the month sees a higher volume of precipitation compared to both the preceding summer months and the drier autumn months that follow, underscoring September’s role as a crucial period in Ishikawa’s precipitation cycle.
As summer transitions to autumn, September in Ishikawa, Japan, presents a noticeable decrease in humidity, averaging 84%. This marks a shift from the sweltering heights of 92% in July and 90% in August, as the region begins to cool down. September's humidity is still relatively high compared to the annual average, but it indicates the start of a gradual decline towards more moderate levels in October, which sits at 80%. Overall, this month serves as a bridge between the peak humidity of summer and the cooler, more comfortable conditions of fall, setting the stage for the cozy days ahead.
In September, Ishikawa, Japan experiences a notable shift in UV intensity as summer transitions into fall. With a UV Index of 9, categorized as very high, residents and visitors alike should be cautious about sun exposure, as the burn time decreases to just 15 minutes. This trend reflects a gradual decline from the extreme UV levels seen during the peak summer months of June through August, which maintained an index of 11. Despite the slight drop in UV intensity, September still demands vigilance, reminding everyone that the sun’s rays can remain potent even as the season changes. To explore the UV Index throughout the year in Ishikawa, visit Ishikawa UV Index.
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As September arrives in Ishikawa, Japan, the days become a delightful blend of late summer and early autumn, offering 240 hours of sunshine. This marks a gentle decline from the sun-drenched days of August, which boasted an impressive 283 hours. The transition clearly signals the end of summer, yet September still bathes the region in a warm glow, standing out with significantly more sunshine than the chillier months that lie ahead. With sunshine hours steadily increasing from January's meager 178 hours to May's peak of 288, the latter part of the year showcases a gradual tapering off, culminating in a month that balances warmth with the anticipation of autumn's arrival. The ebb and flow of sunlight paint a beautiful portrait of Ishikawa's seasonal rhythm, making September a splendid time for outdoor explorations amidst breathtaking fall foliage.
As September rolls into Ishikawa, Japan, the likelihood of sunny weather remains relatively low, with only a 21% chance of sunshine this month. This marks a slight decrease from the summer months of July and August, which both hover around similar figures. Notably, the trend shows a gradual uptick in sunshine probabilities as the calendar shifts towards autumn, with October and November displaying more promising forecasts at 38% and 53% respectively. While September may not be the sunniest month, it serves as a transition period, hinting at the brighter days just around the corner.
As summer gracefully transitions into autumn, September in Ishikawa, Japan, enjoys a moderate 12 hours of daylight. This marks a subtle decline from the sun-drenched days of July and August, where daylight peaked at 14 hours. Observing the changing light through the months reveals a clear trend: daylight durations are longest in late spring and summer, providing ample time for outdoor activities and nature's vibrant displays. As September arrives, the shift begins, gently ushering in the cozy ambiance of fall, with daylight gradually tapering off towards the 11 hours in October. This rhythmic dance of daylight not only signifies seasonal change but also enriches the cultural tapestry of Ishikawa, encouraging residents to savor each fleeting ray as days grow shorter.
In Ishikawa, Japan, the September wind brings a gentle breeze with an average speed of 2.4 m/s (5 mph), continuing a trend of milder conditions that characterizes the late summer. Throughout the year, wind patterns can be seen shifting from brisker speeds in the early months — peaking in February at 4.0 m/s (9 mph) — to a gradual decline as the seasons change. This decline notably remains steady into September, where the winds are softer, echoing the calm before autumn’s arrival. As October approaches, the winds pick up slightly to 2.6 m/s (6 mph), hinting at the transitioning atmosphere. This seasonal wind rhythm not only influences local weather patterns but also shapes the serene landscapes of Ishikawa, creating a tranquil environment that invites reflection during the picturesque fall months.
Weather in Ishikawa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ishikawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a mild 9°C (48°F) at night to a warm 32°C (90°F) during the day, with an average of 20°C (68°F). This month is characterized by high humidity at 84% and significant rainfall, accumulating 158 mm (6.2 in) over 16 days. In contrast, January experiences much colder temperatures, with minimums plummeting to -11°C (13°F) and a maximum of 12°C (53°F), resulting in an average of 0°C (33°F). Rainfall is light in January, totaling only 48 mm (1.9 in) over 8 days, and humidity decreases to 76%. For more detailed information, check Ishikawa weather in January.
September and February exhibit stark contrasts in weather. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). The month experiences considerable rainfall, accumulating 158 mm (6.2 in) over 16 days, accompanied by high humidity levels at 84%. Conversely, February brings much colder conditions, with temperatures varying from a minimum of -8°C (18°F) to a maximum of 18°C (65°F) and an average of just 1°C (35°F). Precipitation in February is significantly lower at 40 mm (1.6 in) over 8 days, and humidity sits at 75%. For more detailed insights about February weather, you can refer to Ishikawa weather in February.
In September, the weather is significantly warmer with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 32°C (90°F), averaging around 20°C (68°F). The month experiences high humidity at 84% and considerable precipitation of 158 mm (6.2 in) over 16 days. In contrast, March brings much cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 22°C (71°F), averaging just 5°C (42°F). Precipitation is lower at 120 mm (4.7 in) across 11 days, and humidity is also less, at 72%. For more details on March weather, you can visit Ishikawa weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation. September typically experiences milder temperatures, with averages around 20°C (68°F) and highs reaching up to 32°C (90°F), while April is much cooler, averaging only 10°C (50°F) with maximums of 27°C (81°F). Precipitation is more frequent in September, with 158 mm (6.2 in) falling over 16 days, compared to April's 108 mm (4.2 in) over 12 days. Additionally, September's humidity is higher at 84%, while April maintains a lower humidity level of 73%. For further details about the specific weather conditions in April, you can visit Ishikawa weather in April.
September and May present distinct yet relatively mild weather patterns. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). The month is marked by higher precipitation levels, totaling 158 mm (6.2 in) over 16 days and an average humidity of 84%. Conversely, May experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 33°C (91°F), averaging at 16°C (61°F). This month also sees less rainfall, totaling 128 mm (5.0 in) over 13 days, and slightly lower humidity at 80%. For more detailed information on weather conditions in May, you can take a look at Ishikawa weather in May.
In comparing the weather of September and June, both months experience similar maximum temperatures, reaching as high as 32°C (90°F). However, September tends to be warmer on average with temperatures ranging from a minimum of 9°C (48°F) to an average of 20°C (68°F), while June has slightly cooler temperatures with a range from 8°C (47°F) to an average of 19°C (67°F). Furthermore, September is wetter, receiving 158 mm (6.2 in) of precipitation over 16 days, compared to June's 125 mm (4.9 in) spread over 14 days. Humidity levels are also slightly higher in June at 87%, compared to 84% in September. For more specifics on June weather, you can visit Ishikawa weather in June.
When comparing the weather in September and July, it's evident that September typically experiences a wider range of temperatures, with minimums dropping to 9°C (48°F) and maximums reaching 32°C (90°F), resulting in an average of 20°C (68°F). In contrast, July tends to be warmer overall, with minimum temperatures around 14°C (58°F) and highs peaking at 34°C (94°F), averaging 23°C (74°F). Additionally, July sees more precipitation, totaling 252 mm (9.9 in) over 20 days, compared to September's 158 mm (6.2 in) over 16 days. Humidity levels also remain higher in July at 92%, compared to 84% in September. For a more detailed look at July weather, you can check this link: Ishikawa weather in July.
In comparing the weather conditions of September and August, we see distinct differences in temperature and humidity. September experiences cooler temperatures, with minimums dropping to 9°C (48°F) and an average of 20°C (68°F), while August is warmer, starting from a minimum of 12°C (55°F) and averaging 25°C (77°F). The maximum temperatures also reflect this trend, with September peaking at 32°C (90°F) compared to August's higher maximum of 35°C (95°F). Precipitation is more pronounced in September, totaling 158 mm (6.2 in) over 16 days, whereas August sees less rain, with 125 mm (4.9 in) over the same number of days. Humidity is slightly lower in September at 84%, compared to August’s higher 90%. For more detailed weather data for August, you can visit Ishikawa weather in August.
In September, the weather is marked by warmer temperatures, with minimums around 9°C (48°F) and maximums reaching up to 32°C (90°F), creating an average of 20°C (68°F). This month typically experiences 158 mm (6.2 in) of rainfall over 16 days, with a high humidity level of 84%. In contrast, October sees a notable drop in temperatures, with minimums falling to 1°C (35°F) and an average of 14°C (58°F), while maximums peak at 27°C (82°F). Precipitation increases to 211 mm (8.3 in) across 13 days, but humidity is slightly lower at 80%. For more detailed insights on October weather, you can refer to Ishikawa weather in October.
September and November present strikingly different weather patterns. In September, temperatures range from a comfortable 9°C (48°F) at night to a scorching high of 32°C (90°F) during the day, providing a warm average of 20°C (68°F). However, this month is also marked by significant precipitation, totaling 158 mm (6.2 in) over 16 days and high humidity at 84%. In contrast, November sees a notable drop in temperatures, with lows plunging to -3°C (26°F) and an average of just 8°C (47°F). The maximum temperature reaches a milder 20°C (69°F), and the month is considerably drier, with only 47 mm (1.8 in) of rain spread over just 6 days and lower humidity at 77%. For a closer look at the specifics of November weather, you can refer to Ishikawa weather in November.
September weather typically features a warm range with average temperatures around 20°C (68°F), peaking at 32°C (90°F), and a high humidity of 84%. The month also experiences significant rainfall, with about 158 mm (6.2 in) spread over 16 days. In contrast, December ushers in much cooler conditions, with average temperatures dropping to 3°C (37°F) and maximums reaching only 18°C (64°F), while lows can plunge to -5°C (22°F). The precipitation decreases to 55 mm (2.2 in) over 10 days, and humidity eases to 77%. For a more detailed look at the weather during December, you can visit Ishikawa weather in December.
As September unfolds in Ishikawa, the weather offers a refreshing transition from the sweltering summer months. Temperatures begin to cool significantly, moving from the heat of summer to a more temperate climate, with warm days fading into brisk evenings. This month also experiences heightened humidity, contributing to a distinctive dampness in the air. Rainfall is more frequent, with a notable number of precipitation days that reshape the landscape, making it lush and vibrant. In contrast to the baking heat of July and August, September's conditions invite a more comfortable outdoor experience, although one must be prepared for those sudden showers. For a complete overview of what to expect, visit Ishikawa Climate.