September Weather in Matsue, Japan

Last updated: August 21, 2025

September in Matsue, Japan is characterized by warm temperatures and high humidity, making it a captivating time to experience the region's natural beauty. With maximum temperatures reaching 32°C (89°F) and an average of 24°C (75°F), the days are pleasantly warm, while evenings cool down to about 19°C (66°F). This month also sees significant rainfall, totaling 219 mm (8.6 in) over approximately 15 days, contributing to lush landscapes. The humidity levels hover around 87%, creating a vibrant, albeit humid, atmosphere that enhances the charm of Matsue's scenic surroundings.

September Temperature in Matsue

As September unfolds in Matsue, Japan, the warmth of late summer lingers, with temperatures ranging from a mild 19°C (66°F) to a pleasant peak of 32°C (89°F). The average temperature settles at a comfortable 24°C (75°F), making it a beautiful time to explore the city’s stunning landscapes and cultural sites. As the month progresses, nights become increasingly cooler, hinting at the approaching autumn. This transitional period is marked by a noticeable drop from the scorching summer highs while still offering the seasonal charm that attracts visitors. With the blend of warmth and the beginnings of autumnal coolness, September in Matsue serves as a delightful bridge between the vibrant heat of summer and the crisp embrace of fall.

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

The chart illustrates September temperature patterns in Matsue, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Matsue, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454550566470778175665849
Data source: Temperature data for Matsue 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 Matsue

September in Matsue, Japan, marks a notable peak in precipitation, with 219 mm (8.6 in) of rainfall recorded over 15 days. This places it as one of the wetter months of the year, closely following the heavily rain-soaked July and August. The increasing precipitation trend from summer into early autumn highlights the region's shift into a rainier season. As the lush landscapes thrive under these abundant rainfall conditions, it's clear that September serves as a bridge, blending the remnants of summer humidity with the crispness of approaching fall. This pattern not only enriches the local environment but also invites reflective moments for residents, who often embrace the rhythmic sound of raindrops amidst their daily lives.

September Precipitation Trends in Matsue

The chart displays monthly precipitation patterns in Matsue, 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 Matsue, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1431321401229716424521321917575168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Matsue

As summer transitions to autumn, September in Matsue, Japan, sees a slight dip in humidity, hovering at 87%. This marks a gentle decrease from the sweltering 92% experienced in both July and August, signaling a gradual shift in the weather. While still humid, September's levels are reminiscent of the spring months, where humidity ranged between 73% and 84%. The overall trend showcases a peak during the height of summer, followed by a gradual retreat as the year progresses, with the subsequent months of October and November maintaining a similarly comfortable humidity range. This seasonal ebb and flow create a unique rhythm in Matsue's climate, blending warmth with the refreshing hints of fall.

September Average Humidity in Matsue

This chart illustrates the average monthly humidity levels in Matsue, 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 Matsue is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Matsue

As September unfolds in Matsue, Japan, the UV Index signals a notable transition, maintaining a very high level of 10, with an exposure time that warrants caution—just 15 minutes before the risk of sunburn escalates. This month marks the tail end of a summer filled with extreme UV levels, peaking in July with an Index of 12. Although September's UV exposure is slightly lower than in the peak summer months, it remains significant, reminding residents and visitors alike to take necessary precautions. Thus, as the golden hues of early autumn emerge, it's essential to stay vigilant about sun safety. For more detailed information, you can check the Matsue UV Index.

Maximum UV Index Levels in Matsue for September

The chart shows the monthly maximum UV Index (UVI) for Matsue 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 Matsue typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357101011121110753
Data source: Matsue 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 Matsue

As summer wanes and September arrives in Matsue, Japan, the city basks in a delightful 257 hours of sunshine, reminding residents of the warmth just departed. Following a vibrant August with 309 hours, there's a noticeable dip, yet September's light remains substantial, mirroring the bright moods of spring's 257 hours. This month transitions the landscape beautifully, as daylight gradually diminishes towards autumn, offering a rich backdrop for leisurely strolls and cultural festivals. With October's sunshine forecasted to decrease further to 242 hours, September serves as a splendid bridge between summer’s exuberance and the tranquil embrace of fall, encouraging outdoor adventures while nature starts to don her autumn hues.

Monthly Sunshine Duration in Matsue: September Highlighted

The September sunshine duration represents the total number of hours Matsue 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h208h257h283h305h301h287h309h257h242h223h193h
Data source: Matsue September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Matsue During September

In Matsue, Japan, the likelihood of sunny weather in September stands at 33%, showing a slight uptick as the summer months draw to a close. This trend reflects a gradual increase in sunny days as the region transitions into autumn, with sun chances improving to 46% by October. September's percentage is notably higher than the preceding months of July and August, which are characterized by their lower probabilities of clear skies, hovering around 27% to 29%. As summer warmth begins to wane, September offers a sweet spot where the weather can still be pleasantly bright, inviting both locals and visitors to savor the changing seasons under the vibrant skies of Matsue.

Percentage of Sunny Days in September in Matsue

The chart illustrates the percentage of sunny days in Matsue 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 Matsue experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%39%35%44%32%28%29%27%33%46%44%34%
Data source: Matsue September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Matsue in September

As September arrives in Matsue, Japan, daylight begins its gentle retreat, offering approximately 12 hours of light—a slight decrease after the summer's peak. This transition marks a fascinating shift in the rhythm of the year, where the vibrant 14 hours of daylight in June, July, and August yields to a softer luminosity as autumn approaches. Following the warmth of summer, both October and November will further shrink the daylight hours to 11 and 10 respectively, signaling the onset of the colder months. The gradual ebb of daylight in September evokes a sense of change, inviting residents and visitors alike to embrace the beauty of the season's unfolding.

Average Daylight Hours in Matsue for September

The chart illustrates the variation in daylight duration in Matsue 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 52m11h 58m13h 5m14h 1m14h 30m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
Data source: Matsue daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Matsue

In September, Matsue, Japan experiences a gentle breeze with an average wind speed of 4.9 m/s (11 mph), marking a subtle increase from the calmer summer months of July and August. This shift hints at the onset of autumn, as the winds begin to pick up slightly in anticipation of the cooler temperatures ahead. Notably, the wind speed remains steady through October, before climbing once more in November to 6.6 m/s (15 mph), reflecting the seasonal transition. The gentle September air, with its blend of warmth and coolness, creates a perfect atmosphere for enjoying the natural beauty Matsue has to offer.

Average September Wind Speed in Matsue

The chart displays monthly wind speed patterns in Matsue, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.87.66.15.75.43.93.84.64.9 m/s4.86.67.9
Data source: Matsue September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Matsue Compares to Other Months

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

In September, the weather is significantly warmer and more humid, with average temperatures ranging from a mild 19°C (66°F) at night to a hot 32°C (89°F) during the day, accompanied by high humidity levels of 87%. This month also experiences considerable rainfall, with total precipitation reaching 219 mm (8.6 in) over approximately 15 days.

In contrast, January presents a starkly different climate, characterized by chilly temperatures that drop to a minimum of -1°C (30°F) and peak at 16°C (62°F), leading to a much cooler average of 7°C (45°F). Although there is less overall precipitation at 143 mm (5.6 in), it falls over a larger number of days (19), accompanied by a slightly lower humidity of 82%. For more detailed insights on the January weather conditions, you can visit Matsue weather in January.

September and February present strikingly different weather conditions. In September, temperatures range from a mild 19°C (66°F) to a sweltering 32°C (89°F), accompanied by high humidity at 87% and significant rainfall of 219 mm over 15 days. In contrast, February experiences much cooler weather, with temperatures dipping to a minimum of -1°C (31°F) and peaking at a maximum of 17°C (63°F). The month receives less precipitation, totaling 132 mm over 16 days, and features a lower humidity level of 79%. For a closer look at February's weather, visit Matsue weather in February.

September typically offers warm temperatures, with a minimum of 19°C (66°F) and an average of 24°C (75°F), peaking at a high of 32°C (89°F). It is also a rainy month, with 219 mm (8.6 in) of precipitation spread over 15 days, contributing to the high humidity of 87%. In contrast, March brings cooler weather, featuring a much lower minimum temperature of 3°C (38°F), an average of 10°C (50°F), and a maximum of 18°C (65°F). Although March sees less precipitation at 140 mm (5.5 in) over 13 days, the humidity is noticeably lower at 73%. For those looking to better understand what to expect during March, check out Matsue weather in March.

In September, Matsue experiences warmer temperatures with a minimum of 19°C (66°F) and an average of 24°C (75°F), peaking at 32°C (89°F), while April sees much cooler weather, with temperatures ranging from a chilly 5°C (42°F) to a mild maximum of 22°C (72°F) and an average of just 13°C (56°F). Additionally, September is quite wet, receiving 219 mm (8.6 in) of precipitation over 15 days, compared to April's 122 mm (4.8 in) spread over 11 days, making it a generally drier month. Humidity levels also differ notably, with September's high humidity at 87%, while April holds a more comfortable 74%. For a more detailed look at April's weather, check out Matsue weather in April.

In September, the weather is generally warmer and more humid than in May, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (89°F). In contrast, May sees cooler temperatures, with a range from a minimum of 11°C (53°F) to a maximum of 24°C (76°F). September also experiences significantly more rainfall, with 219 mm (8.6 in) over about 15 days, compared to May's 97 mm (3.8 in) across 10 days. The humidity remains high in both months, but September's is slightly elevated at 87% compared to May's 84%. For more detailed information, you can check out Matsue weather in May.

September typically experiences warmer temperatures compared to June, with an average of 24°C (75°F) and a maximum reaching 32°C (89°F), while June’s average is 21°C (70°F) peaking at 27°C (81°F). Additionally, September is marked by higher precipitation, with 219 mm (8.6 in) occurring over 15 days, compared to June's 164 mm (6.5 in) over 13 days. Humidity remains fairly consistent in both months, around 87% in September and 86% in June, making both months feel quite humid. For more detailed information, you can check out Matsue weather in June.

When comparing the weather in September to that of July, we see notable similarities and a few key differences. September typically has a minimum temperature of 19°C (66°F) and an average temperature of 24°C (75°F), while July displays slightly warmer temperatures with a minimum of 20°C (69°F) and an average of 25°C (78°F). Despite July being warmer overall, September boasts a max temperature of 32°C (89°F), which is a bit higher than July's peak of 30°C (87°F). Both months experience significant precipitation, with September receiving 219 mm (8.6 in) over 15 days, while July has a bit more at 245 mm (9.7 in) for the same duration. Humidity levels are also slightly higher in July at 92%, compared to September’s 87%. For more details on July's weather, you can check Matsue weather in July.

In comparing the weather of September and August, we find that September experiences slightly cooler temperatures, with a minimum of 19°C (66°F) and an average of 24°C (75°F), compared to August’s minimum of 22°C (72°F) and an average of 27°C (81°F). Both months have similar maximum temperatures, peaking at 32°C (89°F) in September and 32°C (91°F) in August. Precipitation levels are comparable as well, with September receiving 219 mm (8.6 in) over 15 days and August recording 213 mm (8.4 in) across 12 days. Additionally, September's humidity averages at 87%, slightly lower than August's 92%. For more specifics on August weather, you can read Matsue weather in August.

September weather is generally warmer and more humid compared to October. With temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (89°F), September experiences an average of 24°C (75°F) and significant rainfall totaling 219 mm (8.6 in) over 15 days, resulting in a humidity level of 87%. In contrast, October sees a noticeable drop in temperatures, with a minimum of 13°C (55°F) and a maximum of 29°C (84°F), leading to a cooler average of 19°C (67°F). The month also has reduced precipitation, at 175 mm (6.9 in) over 14 days, accompanied by slightly lower humidity at 85%. For a more detailed look at October weather, you can visit Matsue weather in October.

September experience much warmer temperatures, with an average of 24°C (75°F) and highs reaching up to 32°C (89°F). In contrast, November sees significantly cooler weather, with an average temperature of just 14°C (58°F) and a maximum of 23°C (74°F). Additionally, September is characterized by higher humidity (87%) and a considerable amount of rain, totaling 219 mm (8.6 in) over 15 days. November, while still rainy, has much less precipitation at 75 mm (3.0 in) across 13 days, and slightly lower humidity at 84%. For more detailed information, visit Matsue weather in November.

In September, the weather is warm and humid, with average temperatures ranging from a mild 19°C (66°F) at night to a hot 32°C (89°F) during the day. This month experiences significant rainfall, with 219 mm (8.6 in) of precipitation falling over 15 days, resulting in a humidity level of 87%. In contrast, December brings much cooler conditions, with average temperatures dropping to a frigid 10°C (49°F), and nighttime lows plummeting to 1°C (34°F). Although precipitation decreases to 168 mm (6.6 in) over 22 days, the humidity remains relatively high at 82%. For more detailed information, check out Matsue weather in December.

Compare Matsue's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Matsue

As September unfolds in Matsue, the weather takes on a distinct character, marking the transition from the sweltering summer heat to the more temperate days of autumn. With an average temperature that hovers pleasantly around 24°C (75°F), it is notably milder than the scorching highs experienced in the peak summer months. However, the month is also marked by an increase in rainfall, with 219 mm accumulated over 15 days, creating a lush and vibrant landscape. The high humidity, averaging 87%, adds to the feeling of warmth, making this month a unique blend of remaining summer vibes and the refreshing hints of fall. For a deeper dive into the shifting patterns of Matsue's weather, visit Matsue Climate.