September Weather in Fujiyoshida, Japan

Last updated: August 21, 2025

September in Fujiyoshida, Japan offers a captivating blend of warm temperatures and significant rainfall. Expect maximum temperatures reaching 32°C (90°F), while the average settles around a comfortable 20°C (68°F). Cool evenings bring minimums down to 10°C (50°F), creating a refreshing atmosphere after the heat of the day. However, prepare for frequent rainfall, with 217 mm (8.5 in) of precipitation spread over 20 days, leading to a humidity level of 86%. This combination of warmth and moisture makes September a unique month in Fujiyoshida, perfect for experiencing the lush landscapes and vibrant culture of the region.

September Temperature in Fujiyoshida

In September, Fujiyoshida experiences a delightful transition as summer wanes and autumn begins to showcase its charm. The temperatures reflect this shift, with a minimum of 10°C (50°F) and an average of 20°C (68°F), peaking at a warm 32°C (90°F). This month stands out with its mild weather, offering a perfect blend of warmth and coolness, making it an ideal time for outdoor activities and enjoying the stunning views of Mount Fuji. As the days gradually shorten, the comfortable temperatures invite not only locals but also travelers to embrace the picturesque landscapes, setting the stage for the vibrant hues of fall that follow.

September Weather in Fujiyoshida: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fujiyoshida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fujiyoshida, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec343643506065727567584838
Data source: Temperature data for Fujiyoshida generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Fujiyoshida

In September, Fujiyoshida, Japan, experiences a notable increase in precipitation, with 217 mm (8.5 in) falling over 20 days. This marks a continuation of the wet season that starts in late summer, as rainfall peaks significantly compared to earlier months. Following the summer months, which saw substantial precipitation—most notably July’s staggering 319 mm (12.6 in)—September serves as a transition, yet it still boasts considerable rainfall, making it one of the wetter months of the year. This trend of increased precipitation sets the stage for October's even higher totals, emphasizing the region's characteristic monsoon-like climate. As nature prepares for the seasonal shift towards autumn, the rich rainfall in September contributes to the lush landscapes that define this picturesque part of Japan.

September Precipitation Trends in Fujiyoshida

The chart displays monthly precipitation patterns in Fujiyoshida, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Fujiyoshida, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec56721711571611943191742173407463
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fujiyoshida

In Fujiyoshida, Japan, the month of September showcases a notable level of humidity at 86%, reflecting the lingering warmth of summer. The trend throughout the year reveals a clear pattern: humidity levels peak during the hotter months, with July hitting a sweltering 93%, while the earlier months of winter maintain relatively lower levels, around 76% in January and 74% in February. As the seasons transition, May and June also experience significant increases, with humidity soaring to 81% and 88%, respectively. By September, the humidity begins to recede slightly from summer highs, but still retains a noticeable presence, setting the stage for the milder and drier months of autumn ahead.

September Average Humidity in Fujiyoshida

This chart illustrates the average monthly humidity levels in Fujiyoshida, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Fujiyoshida is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fujiyoshida

As the summer months fade into September in Fujiyoshida, Japan, the UV Index remains notably high at 10, categorizing it as very high. This means that sun protection is essential, with a burn time of just 15 minutes if unprotected. September's UV levels continue to reflect the extreme sunlight experienced in the preceding months of July and August, where indices peaked at 12. Though slightly lower than those summer extremes, the UV exposure in September still calls for caution, reminding residents and visitors alike to safeguard their skin. As the year progresses into autumn, the index will gradually decline, yet September serves as a reminder of the enduring strength of the sun during this transitional period. For more detailed information, visit Fujiyoshida UV Index.

Maximum UV Index Levels in Fujiyoshida for September

The chart shows the monthly maximum UV Index (UVI) for Fujiyoshida in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Fujiyoshida typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Fujiyoshida September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Fujiyoshida

September in Fujiyoshida, Japan, shines with an average of 229 hours of sunlight, marking a gentle transition from the vibrant warmth of summer to the cooler embrace of autumn. This month, while still basking in lingering warmth, shows a slight decline from August's peak of 275 hours, yet remains robust compared to the chillier months ahead. The gradual decrease in sunlight hours mirrors the seasonal shift, with the promise of crisp air and stunning fall foliage on the horizon. As October approaches, Fujiyoshida's weather patterns reveal a beautiful balance between lingering summer vibes and the allure of the autumnal landscape, inviting visitors to relish the serene transition.

Monthly Sunshine Duration in Fujiyoshida: September Highlighted

The September sunshine duration represents the total number of hours Fujiyoshida experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec191h232h258h271h283h256h220h275h229h203h228h232h
Data source: Fujiyoshida September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fujiyoshida During September

In Fujiyoshida, Japan, the prospect of sunny weather in September reflects a broader trend of fluctuating sunshine throughout the year. With a 21% chance of clear skies, this month continues the downward trajectory seen since the vibrant sunniness of early winter. After experiencing a peak in sunshine during February at 65%, the chance of sunny days gradually declines through the summer months, reaching the lowest point in June at 15%. September, while slightly better than the summer, struggles to climb back up, lingering with less than a quarter chance of sun. As autumn approaches, the likelihood of sun begins to recover, but September remains a transitional month with a mix of cloudy and sunny days, hinting at the seasonal shifts that lie ahead.

Percentage of Sunny Days in September in Fujiyoshida

The chart illustrates the percentage of sunny days in Fujiyoshida throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Fujiyoshida experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%65%38%41%22%15%23%24%21%39%53%70%
Data source: Fujiyoshida September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fujiyoshida in September

As September unfolds in Fujiyoshida, Japan, the length of daylight begins to shift noticeably. After enjoying up to 14 hours of sunlight during the peak summer months, residents now experience a gradual decline to 12 hours in September. This transition marks the start of autumn, a time when daylight steadily wanes, ultimately leading to 11 hours in October and tapering down to nine hours by December. The changing daylight not only signals the arrival of crisp air and colorful foliage but also invites a slower, more reflective pace as nature prepares for the winter months ahead.

Average Daylight Hours in Fujiyoshida for September

The chart illustrates the variation in daylight duration in Fujiyoshida throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
Data source: Fujiyoshida daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Fujiyoshida

As September rolls into Fujiyoshida, Japan, the gentle winds carry a subtle shift in the air. With an average speed of 1.5 m/s (3 mph), this month stands as a tranquil interlude in the year, barely edging out the calmness of summer. Notably, it mirrors the breeziness of both October and November, while showing a decline from the slightly warmer August. This gentle nip in the wind hints at the approach of autumn, transitioning smoothly from the vibrant hues of summer to the warm, golden tones of fall. Overall, the wind patterns in Fujiyoshida reflect a steady and serene atmosphere, encapsulating the peaceful essence of early autumn.

Average September Wind Speed in Fujiyoshida

The chart displays monthly wind speed patterns in Fujiyoshida, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.91.71.71.81.41.21.61.5 m/s1.51.51.7
Data source: Fujiyoshida September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Fujiyoshida Compares to Other Months

Weather in Fujiyoshida varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Fujiyoshida, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present stark contrasts in weather patterns. September boasts mild to warm temperatures, with a minimum of 10°C (50°F) and an average of 20°C (68°F), peaking at 32°C (90°F). The month is characterized by high humidity at 86% and significant rainfall, accumulating 217 mm (8.5 in) over about 20 days. In contrast, January descends into winter, with temperatures ranging from a chilling minimum of -10°C (13°F) to a maximum of 14°C (57°F) and an average just above freezing at 1°C (34°F). Precipitation is notably reduced to 56 mm (2.2 in) over only 6 days, and humidity drops to 76%. For a detailed look at the winter conditions, check out Fujiyoshida weather in January.

September and February present strikingly different weather, highlighting the transition between seasons. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). The month is characterized by high humidity at 86% and significant rainfall, totaling 217 mm (8.5 in) over approximately 20 days. In contrast, February experiences far cooler temperatures, with a minimum of -11°C (12°F), an average of 2°C (36°F), and a maximum of 18°C (65°F). This month sees less precipitation at 72 mm (2.8 in) spread across 11 days, along with lower humidity at 74%. For a more detailed overview, you can check Fujiyoshida weather in February.

When comparing the weather in September and March, notable differences emerge. September tends to be much warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), contrasted with March's chillier conditions, where temperatures can drop as low as -6°C (22°F) and peak at 22°C (72°F). Additionally, September is marked by higher humidity at 86% and significantly more precipitation, totaling 217 mm (8.5 in) over 20 days, while March experiences less rainfall at 171 mm (6.7 in) across 14 days and lower humidity at 70%. For a deeper look at March weather specifics, you can visit Fujiyoshida weather in March.

When comparing the weather in September and April, notable differences emerge. September typically boasts warmer temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 32°C (90°F) with an average of 20°C (68°F). In contrast, April experiences much cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 25°C (77°F), averaging around 10°C (51°F). Additionally, September is characterized by higher humidity, reaching 86%, compared to April's 74%. Precipitation is more frequent in September, occurring on 20 days with a total of 217 mm (8.5 in), while April sees rain on 14 days with a lower total of 157 mm (6.2 in). To learn more about the specific weather conditions in April, visit Fujiyoshida weather in April.

When comparing the weather in September and May, notable differences emerge in both temperature and precipitation patterns. September experiences a wider temperature range, with minimums around 10°C (50°F) and maximums reaching up to 32°C (90°F), resulting in an average of 20°C (68°F). In contrast, May is generally cooler, with minimum temperatures at 1°C (34°F) and maximums of 28°C (83°F), averaging 15°C (60°F). Additionally, September sees more precipitation, totaling 217 mm (8.5 in) over 20 days, compared to May’s 161 mm (6.3 in) over 13 days. Humidity levels are also slightly higher in September at 86%, while May maintains a lower 81%. For more detailed insights, you can check Fujiyoshida weather in May.

In comparing the weather of September and June, both months exhibit relatively mild temperatures, but September tends to be warmer overall. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), averaging around 20°C (68°F), while June sees slightly cooler temperatures with a minimum of 8°C (46°F) and a maximum of 29°C (85°F), averaging 18°C (65°F). Precipitation is notable in both months, although September is particularly wet, with 217 mm (8.5 in) falling over 20 days compared to June's 194 mm (7.6 in) over 17 days. Humidity levels are high in both months, with September recording 86% and June slightly higher at 88%. For more detailed information, you can check out Fujiyoshida weather in June.

When comparing the weather in September and July, we notice some notable differences. September experiences a wider temperature range, with a minimum of 10°C (50°F) and a maximum of 32°C (90°F), leading to an average temperature of 20°C (68°F). In contrast, July is generally warmer, featuring an average temperature of 22°C (72°F) with highs peaking at 33°C (92°F). Precipitation levels also differ, with September receiving 217 mm (8.5 in) over 20 days, while July sees higher rainfall of 319 mm (12.6 in) across 21 days. Humidity is slightly lower in September at 86%, compared to July’s more humid 93%. For a closer look at July’s weather specifics, you can explore Fujiyoshida weather in July.

In comparing the weather of September and August, September experiences cooler temperatures, with a minimum of 10°C (50°F) and an average of 20°C (68°F), compared to August's warmer minimum of 14°C (58°F) and average of 24°C (75°F). While September sees a higher maximum temperature of 32°C (90°F), August peaks at 34°C (93°F). Precipitation in September is slightly higher, measuring 217 mm (8.5 in) over 20 days, whereas August has 174 mm (6.9 in) over 19 days. Humidity levels are also high in both months, with September at 86% and August slightly higher at 90%. For a detailed look at August weather specifics, check out Fujiyoshida weather in August.

September and October showcase a notable shift in weather patterns. September boasts a warmer climate with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), while October cools down significantly with a minimum of 3°C (38°F) and an average of 14°C (58°F). Precipitation levels rise in October, reaching 340 mm (13.4 in) over 19 days compared to September's 217 mm (8.5 in) across 20 days of rainfall, indicating a wetter month. Humidity remains relatively similar, with September at 86% and October dropping slightly to 83%. For more information on October weather specifics, check out Fujiyoshida weather in October.

September and November display a striking contrast in weather patterns. In September, temperatures range from a mild 10°C (50°F) at night to a warm 32°C (90°F) during the day, with an average of 20°C (68°F). The month sees significant rainfall, with 217 mm (8.5 in) over 20 days, accompanied by high humidity levels of 86%. In contrast, November ushers in cooler temperatures, with nighttime lows dropping to -3°C (27°F), daytime highs peaking at 21°C (69°F), and an average of just 9°C (48°F). Rainfall diminishes considerably in November, totaling 74 mm (2.9 in) over 12 days, while humidity decreases slightly to 80%. To learn more about the weather conditions in November, you can check Fujiyoshida weather in November.

September weather presents a warm transition from summer, with daytime temperatures averaging 20°C (68°F) and reaching highs of 32°C (90°F). However, it is also a relatively wet month, experiencing significant precipitation of 217 mm (8.5 in) over 20 days and high humidity levels of 86%. In stark contrast, December brings a much cooler climate, with average temperatures dropping to 3°C (38°F) and minimums plummeting to -7°C (20°F). This month sees considerably less rainfall, with only 63 mm (2.5 in) over 10 days, and lower humidity at 78%. For a detailed look at December weather in the region, check out Fujiyoshida weather in December.

Compare Fujiyoshida's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Fujiyoshida

As September rolls into Fujiyoshida, it marks a notable transition in the weather compared to the sultry summer months. The temperatures become more moderate, with a cozy average of 20°C that invites outdoor explorations amid the stunning autumn scenery. However, this month can be quite wet, with frequent rain contributing to 217 mm of precipitation over 20 days, making it one of the rainier months of the year. The increased humidity can also make the air feel a bit heavier, contrasting sharply with the drier conditions of the preceding summer. For a deeper look into what to expect throughout the year, check out Fujiyoshida Climate.