September Weather in Gamagori, Japan

Last updated: August 21, 2025

September in Gamagori, Japan, presents a warm and humid climate, with temperatures reaching a maximum of 34°C (93°F) and an average of 25°C (77°F). The month is characterized by a cooler minimum temperature of 16°C (61°F), providing some respite from the heat. Rainfall is abundant, with a total precipitation amount of 213 mm (8.4 in) occurring over 18 days, contributing to the region's lush scenery. The high humidity level of 87% enhances the tropical feel of early autumn, making it a vibrant time to experience this coastal city’s beauty.

September Temperature in Gamagori

In September, Gamagori experiences a delightful transition into autumn, marked by pleasantly mild temperatures. With a minimum of 16°C (61°F) and a maximum soaring to 34°C (93°F), the month showcases a notable drop from the sweltering heat of summer, yet retains warmth during the day. The average temperature of 25°C (77°F) provides a comfortable backdrop for outdoor activities, making it an ideal time to explore the scenic beauty of the region. As the month progresses, the gentle shift in climate sets the stage for cooler October days ahead, while still embracing the lingering warmth of late summer. Overall, September in Gamagori strikes a perfect balance, inviting both locals and visitors to enjoy its vibrant atmosphere.

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

The chart illustrates September temperature patterns in Gamagori, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gamagori, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444552596773808477685849
Data source: Temperature data for Gamagori 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 Gamagori

In September, Gamagori experiences a notable shift in its precipitation landscape, receiving 213 mm (8.4 in) of rain over 18 days. This marks a transition from the drier summer months of July and August, with their respective 359 mm (14.1 in) and 179 mm (7.0 in), to a period of more consistent rainfall. Comparatively, the amount of rain in September is lower than in July but still significant, suggesting that the late summer’s heat yields to wetter autumn patterns. This increase in precipitation not only contributes to the lush landscapes but also positions September as a critical month in the seasonal rainfall cycle of the region. As Gamagori moves towards October, which typically sees even higher sums of 288 mm (11.3 in), the rhythm of rain establishes a cadence that signals the forthcoming changes in climate and ecology.

September Precipitation Trends in Gamagori

The chart displays monthly precipitation patterns in Gamagori, 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 Gamagori, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec51641481531812253591792132887067
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gamagori

In Gamagori, Japan, September marks a transition in humidity levels as summer's peak gradually recedes. With a humidity of 87%, it remains quite humid, but this is noticeably lower than the 93% recorded in July and 91% in August. The gradual decline from the sweltering heights of summer indicates a shift towards the more comfortable and slightly drier autumn months. As fall approaches, the air still holds onto some of summer's moisture, ensuring that the mild weather is often experienced with a lingering humidity that adds to the region’s lush beauty. Thus, while September doesn’t break away from the humid trend established earlier in the summer, it serves as a gentle prelude to the drier conditions that will emerge in October.

September Average Humidity in Gamagori

This chart illustrates the average monthly humidity levels in Gamagori, 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 Gamagori is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gamagori

In September, Gamagori experiences a very high UV Index of 10, indicating that sun protection is crucial as the burn time is reduced to just 15 minutes. As summer transitions to autumn, the UV levels begin to moderate, yet they still require caution, especially for outdoor activities during peak hours. This month marks a slight decrease from the extreme levels observed in July and August, which peaked at 12. Overall, the UV Index trends in Gamagori show a steady rise from early spring, reaching its highest points in mid-summer, before tapering off in the latter months of the year. As always, it's essential to stay informed about the local UV conditions by checking resources like Gamagori UV Index for safety tips on sun exposure.

Maximum UV Index Levels in Gamagori for September

The chart shows the monthly maximum UV Index (UVI) for Gamagori 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 Gamagori typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121110754
Data source: Gamagori 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 Gamagori

September in Gamagori, Japan, enjoys a beautiful blend of sunshine, with an average of 255 hours illuminating the month. This amount of sunlight is a notable dip from the sun-drenched days of August, which boasts a peak of 314 hours, encapsulating the vibrant summer season. However, September still outshines the initial months of the year, showcasing a gradual transition as autumn approaches. The sunlight begins to soften, yet the lingering warmth provides a pleasant backdrop for outdoor activities. As the year progresses, October's anticipated drop to 230 hours hints at the coming cooler days, making September a delightful bridge between the summer's exuberance and the tranquility of fall.

Monthly Sunshine Duration in Gamagori: September Highlighted

The September sunshine duration represents the total number of hours Gamagori 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h235h269h281h298h274h266h314h255h230h242h229h
Data source: Gamagori September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gamagori During September

In Gamagori, Japan, September marks the transition from the summer heat, offering a 30% chance of sunny weather. This likelihood is notably lower compared to the preceding months, where July and August both hover around similar percentages, but still fall in the middle of the yearly spectrum. Interestingly, as the year progresses towards October, the probability of sunshine begins to rise again, with October reaching 56%. This trend highlights September as a bridge between the hotter, sunnier summer months and the clearer skies typical of autumn, inviting visitors to experience the beauty of transitional weather.

Percentage of Sunny Days in September in Gamagori

The chart illustrates the percentage of sunny days in Gamagori 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 Gamagori experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%56%47%49%29%25%34%30%30%56%63%69%
Data source: Gamagori September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gamagori in September

In Gamagori, Japan, the daylight duration follows a captivating rhythm throughout the year, peaking during the summer months. In September, residents enjoy a generous 12 hours of daylight, a slight decrease from the summer's 14 hours in June and July. This transition marks the gradual shift to autumn, where daylight hours begin to wane. Following September, the daylight dips further to 11 hours in October and continues to decline towards the winter months. The trend highlights a slow but steady change, with longer days in spring and summer giving way to shorter, cozy evenings as the year progresses, creating a beautiful seasonal cycle that reflects nature's ebb and flow.

Average Daylight Hours in Gamagori for September

The chart illustrates the variation in daylight duration in Gamagori throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 5m10h 54m11h 58m13h 3m13h 58m14h 26m14h 12m13h 24m12h 21m11h 16m10h 20m9h 50m
Data source: Gamagori daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Gamagori

As summer fades into fall, September in Gamagori brings a gentle shift in the winds. The average wind speed drops to 3.7 m/s (8 mph), making it one of the calmest months of the year. This gradual decline from the breezier summer months not only signals the transition into autumn but also offers a serene ambiance for those enjoying the coastal beauty. Interestingly, September's winds are slightly more tranquil than the preceding months, such as August, which averages 4.4 m/s (10 mph). As October approaches, a slight uptick to 4.3 m/s (10 mph) hints at the refreshed breezes that will sweep through the region. Overall, this gentle flow underscores September's peaceful charm, perfect for leisurely strolls along the shore or quiet reflection.

Average September Wind Speed in Gamagori

The chart displays monthly wind speed patterns in Gamagori, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.55.65.35.14.53.43.14.43.7 m/s4.34.75.5
Data source: Gamagori September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Gamagori Compares to Other Months

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

September and January present dramatically contrasting weather conditions. In September, temperatures range from a minimum of 16°C (61°F) to a sweltering maximum of 34°C (93°F), with an average of 25°C (77°F). This month also experiences considerable rainfall, totaling 213 mm (8.4 in) over about 18 days, accompanied by high humidity at 87%. In contrast, January is much cooler, with temperatures dipping to a minimum of -1°C (31°F) and peaking at 16°C (62°F), averaging around 7°C (44°F). Precipitation is also significantly lower in January, with only 51 mm (2.0 in) over 5 days and humidity at 82%. For further details on January weather, you can visit Gamagori weather in January.

September and February present starkly contrasting weather conditions. In September, temperatures typically range from a mild 16°C (61°F) to a hot 34°C (93°F), with an average of 25°C (77°F). This month also experiences significant rainfall, with 213 mm (8.4 in) over approximately 18 days, accompanied by high humidity at 87%. In contrast, February is much cooler, with temperatures ranging from a chilly 0°C (32°F) to a maximum of 19°C (67°F), and an average of just 7°C (45°F). The month sees considerably less precipitation, accumulating only 64 mm (2.5 in) over 5 days, and lower humidity at 79%. For detailed insights, check out Gamagori weather in February.

September and March present distinctly different weather patterns. In September, temperatures can range from a mild 16°C (61°F) to a sweltering maximum of 34°C (93°F), with an average temperature of 25°C (77°F). This month is also marked by high humidity at 87% and significant rainfall, averaging 213 mm (8.4 in) over 18 days. In contrast, March offers cooler conditions, with temperatures ranging from 2°C (36°F) to a maximum of 23°C (73°F) and an average of 11°C (53°F). The precipitation is lower in March at 148 mm (5.8 in) over 11 days, along with a more comfortable humidity level of 74%. For more detailed information on March weather, you can check Gamagori weather in March.

In comparing the weather conditions of September and April, one can see a significant difference in temperature and precipitation. September boasts a warmer climate, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), while April features cooler temperatures, averaging between 4°C (39°F) and 25°C (78°F). Additionally, September experiences more rainfall, totaling 213 mm (8.4 in) over 18 days, compared to April's 153 mm (6.0 in) over just 10 days. The humidity is also notably higher in September at 87%, in contrast to April's 76%. For a closer look at the weather specifics and conditions, you can refer to Gamagori weather in April.

September's weather is characterized by warmer temperatures, with minimums of 16°C (61°F) and maximums reaching up to 34°C (93°F), offering a significant contrast to May's cooler conditions, which range from a minimum of 9°C (49°F) to a maximum of 29°C (85°F). Additionally, September experiences more precipitation, accumulating 213 mm (8.4 in) over 18 days, compared to May's 181 mm (7.1 in) over just 11 days. Humidity levels are slightly higher in September at 87%, compared to May's 83%, contributing to a more muggy feel as summer transitions into autumn. For more detailed information, check out the Gamagori weather in May.

In comparing the weather in September and June, we see that both months exhibit relatively high temperatures and humidity levels. September has a slightly wider temperature range with a minimum of 16°C (61°F) and a maximum of 34°C (93°F), compared to June's minimum of 15°C (59°F) and maximum of 32°C (89°F). Precipitation is somewhat similar, with September receiving 213 mm (8.4 in) over 18 days, while June sees slightly higher precipitation at 225 mm (8.9 in) across 14 days. Notably, both months share a high humidity of 87%, contributing to a muggy atmosphere during this time of year. For more detailed information on June weather, you can check Gamagori weather in June.

In comparing the weather patterns of September and July, we can observe notable differences. September typically experiences milder temperatures with a minimum of 16°C (61°F) and an average of 25°C (77°F), while July boasts higher temperatures, with a minimum of 20°C (68°F) and an average of 27°C (80°F). However, July is also characterized by hotter extremes, reaching a maximum of 38°C (100°F), compared to September's peak of 34°C (93°F).

Precipitation levels are significantly higher in July, with 359 mm (14.1 in) of rainfall over 21 days, compared to September's 213 mm (8.4 in) spread across 18 days. The humidity is also slightly more oppressive in July at 93%, compared to September's 87%. For a more detailed look, please visit Gamagori weather in July.

In comparing the weather between August and September, a notable shift can be observed. August tends to be warmer, with average temperatures reaching 29°C (84°F), peaking at a maximum of 37°C (99°F), while September sees a decrease in average temperatures to 25°C (77°F) and a maximum of 34°C (93°F). August also has a higher minimum temperature of 21°C (70°F) compared to September’s 16°C (61°F). Precipitation levels are slightly higher in September, totaling 213 mm (8.4 in) over 18 days, versus August’s 179 mm (7.0 in) over 13 days, despite August having a slightly higher humidity of 91% compared to September's 87%. For more specific details about August weather patterns, you can refer to Gamagori weather in August.

In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), averaging around 25°C (77°F), while the month sees significant precipitation of 213 mm (8.4 in) over 18 days and high humidity at 87%. In contrast, October brings cooler weather with temperatures dipping to a minimum of 10°C (51°F) and peaking at 30°C (86°F), averaging 20°C (68°F). Precipitation increases to 288 mm (11.3 in), although it occurs over fewer days—14 in total—resulting in a slightly lower humidity level of 85%. For more specific weather information, you can check Gamagori weather in October.

In September, the weather is characterized by warm temperatures, with a minimum of 16°C (61°F), an average of 25°C (77°F), and a maximum reaching up to 34°C (93°F). This month experiences significant rainfall, with a total of 213 mm (8.4 in) spread over 18 days, resulting in high humidity levels of 87%. In contrast, November brings a notable drop in temperature, featuring a minimum of 4°C (40°F), an average of 14°C (58°F), and a maximum of 23°C (74°F). The precipitation decreases to 69 mm (2.7 in), occurring over just 7 days, and humidity levels slightly decrease to 83%. For more detailed information, you can check Gamagori weather in November.

In September, the weather is warm and humid, with temperatures ranging from a minimum of 16°C (61°F) to a scorching maximum of 34°C (93°F), and an average temperature of 25°C (77°F). This month also sees significant rainfall, with total precipitation reaching 213 mm (8.4 in) over 18 days, contributing to the high humidity of 87%.

Conversely, December brings a stark contrast, with cooler temperatures that range from a chilly 0°C (33°F) at night to a mild 21°C (70°F) during the day, averaging around 9°C (49°F). Precipitation drops considerably to 67 mm (2.6 in) over just 7 days, and humidity decreases slightly to 83%. For more details, see Gamagori weather in December.

Compare Gamagori's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Gamagori

September in Gamagori marks a transition, where the warmth lingers but begins to soften as the month progresses. With average temperatures resting comfortably around 25°C (77°F), it's a pleasant time to enjoy the outdoors, albeit with some notable humidity levels peaking at 87%. Unlike the sweltering summer months, September experiences increased precipitation, with rain gracing the area on about half the days of the month, leading to a lush landscape. The 213 mm of rainfall creates a refreshing atmosphere but may require an umbrella at times. For a deeper understanding of the weather trends throughout the year, be sure to check out Gamagori Climate.