September Weather in Chino, Japan

Last updated: August 21, 2025

In Chino, Japan, September welcomes the transition into autumn with a delightful range of temperatures, featuring a maximum of 29°C (85°F) and an average of 19°C (66°F), dropping to a minimum of 7°C (44°F). This month sees a notable precipitation total of 166 mm (6.5 in), spread across 15 days, contributing to the area's lush landscapes. With humidity levels soaring at 86%, visitors can expect a vibrant atmosphere enriched by the refreshing autumn air and frequent, albeit mild, rainfall. Experience the charm of Chino as it shifts gently into the fall season!

September Temperature in Chino

In September, Chino, Japan, experiences a refreshing transition as summer gives way to autumn. With temperatures ranging from a comfortable 7°C (44°F) at night to a pleasant 29°C (85°F) during the day, the climate is ideal for outdoor activities. The average temperature settles at 19°C (66°F), providing a perfect balance that invites cool breezes amidst the lingering warmth. This month marks a notable shift from the sweltering heat of August, where daily highs reached up to 33°C (92°F). As the days grow shorter and the air turns crisp, September in Chino sets the stage for a beautiful fall, making it a delightful time to engage with nature and revel in the seasonal changes.

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

The chart illustrates September temperature patterns in Chino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chino, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303140485864717365554434
Data source: Temperature data for Chino generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Chino

In September, Chino, Japan, experiences a notable increase in rainfall, with 166 mm (6.5 in) of precipitation recorded over 15 days. This uptick marks a continuation of the wet summer months, following the substantial 263 mm (10.3 in) in July and 136 mm (5.3 in) in August. The pattern indicates that as the region transitions toward autumn, precipitation levels remain significant, preparing the landscape for the wetter October, which averages 235 mm (9.2 in). The consistent rainfall through these months not only underscores the region's climatic dynamism but also highlights the importance of this period for agricultural practices in the area, as the moisture supports both growth and replenishment of local water sources.

September Precipitation Trends in Chino

The chart displays monthly precipitation patterns in Chino, 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 Chino, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec55621251221321302631361662355062
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Chino

September in Chino, Japan, ushers in an average humidity level of 86%, marking a slight decline from the peak summer months of July and August, which boast humidity levels of 93% and 90%, respectively. This post-summer drop indicates a gradual transition towards dryer autumn conditions. The humidity begins to mirror the earlier months of the year, although still higher than January's 76%. Overall, September serves as a poignant reminder of the lingering warmth and moisture of summer while hinting at the drier days ahead, setting the stage for a crisp October.

September Average Humidity in Chino

This chart illustrates the average monthly humidity levels in Chino, 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 Chino 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 Chino

As September unfolds in Chino, Japan, the UV Index reflects a significant transition, dropping to 10, which categorizes it as very high. After the summer months of extreme UV exposure peaking at 12, this slight decrease in UV levels allows for a bit more comfort, yet caution is still advised with a burn time of only 15 minutes. This pattern highlights a gradual decline from the intense summer sun, while still necessitating protective measures for outdoor activities. As the days grow shorter and preparations for autumn begin, staying informed about the UV Index becomes essential to ensure safe sun exposure. For more detailed insights, check out Chino UV Index.

Maximum UV Index Levels in Chino for September

The chart shows the monthly maximum UV Index (UVI) for Chino 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 Chino typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210754
Data source: Chino 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 Chino

September in Chino, Japan, basks in the gentle transition of seasons with 234 hours of sunshine, embracing the lingering warmth of summer. This month continues a trend of consistently high sunlight hours that peaks in May with 290 hours, creating a perfect backdrop for outdoor activities. As the summer months fade, the sunlight begins to gradually decrease, with October seeing a dip to 216 hours. Overall, the sunshine hours display a harmonious ebb and flow, characterizing the vibrant tapestry of Chino's climate as it shifts from the bustling days of summer to the serene embrace of autumn.

Monthly Sunshine Duration in Chino: September Highlighted

The September sunshine duration represents the total number of hours Chino 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h238h268h283h290h265h231h280h234h216h236h233h
Data source: Chino September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chino During September

In Chino, Japan, September experiences a fairly low 23% chance of sunny weather, continuing a trend of diminishing sunlight as summer wanes. This marks one of the lowest probabilities for clear skies in the year, trailing behind the sunnier months of January and October. As we move from the peak summer months, which show a modest likelihood of sun, it's clear that September is a transitional period where clouds often take center stage. Overall, the weather in Chino during this time can tend toward overcast conditions, suggesting that those seeking sunshine might want to plan their outdoor endeavors with care.

Percentage of Sunny Days in September in Chino

The chart illustrates the percentage of sunny days in Chino 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 Chino experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%53%40%46%26%22%29%25%23%47%50%51%
Data source: Chino September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chino in September

As September arrives in Chino, Japan, the daylight begins to wane, offering 12 hours of light—a subtle decline from the vibrant, sun-soaked days of summer. This month marks the transition from the long summer days, which peak at 14 hours in June, July, and August, to the shorter hours of fall and winter. April and May also bask in generous daylight, at 13 and 14 hours respectively, creating a warm lead-up to autumn. Following September, daylight will gradually decrease, returning to 11 hours in October and further dwindling to 10 hours by November. The natural rhythm of daylight in Chino beautifully reflects the changing seasons, each month offering its unique charm as the year progresses from the abundance of summer to the tranquility of fall.

Average Daylight Hours in Chino for September

The chart illustrates the variation in daylight duration in Chino throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h10h 51m11h 57m13h 6m14h 4m14h 32m14h 18m13h 28m12h 22m11h 14m10h 15m9h 44m
Data source: Chino daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Chino

As September unfolds in Chino, Japan, the gentle whispers of the wind are a delightful contrast to the bustling summer months. With an average wind speed of just 1.5 m/s (3 mph), this month follows a trend of gradually decreasing breezes since the early spring, peaking at 2.2 m/s (5 mph) in February. While the air may feel more stagnant than in the lively spring, the subtle breezes provide a refreshing touch as autumn approaches. Notably, the winds start to regain a bit of momentum in October, hinting at the forthcoming seasonal shifts. With each passing month, Chino's wind patterns reveal a dance between calmness and vigor, perfectly mirroring the transition of nature around it.

Average September Wind Speed in Chino

The chart displays monthly wind speed patterns in Chino, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.21.92.02.01.41.31.61.5 m/s1.61.72.0
Data source: Chino September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Chino Compares to Other Months

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

September and January present two starkly different weather experiences. In September, the temperatures range from a brisk 7°C (44°F) at night to a pleasant 29°C (85°F) during the day, with an average of 19°C (66°F). The month sees considerable rainfall, totaling 166 mm (6.5 in) over about 15 days, contributing to a high humidity of 86%. Conversely, January is much colder, with temperatures dipping as low as -15°C (4°F) and reaching a maximum of 11°C (52°F), resulting in an average temperature of -1°C (30°F). Precipitation is significantly lower, with only 55 mm (2.2 in) over 9 days and humidity at a more moderate 76%. For a more detailed look at the winter conditions, you can check Chino weather in January.

September and February present starkly contrasting weather conditions. September boasts a mild average temperature of 19°C (66°F) with maximum highs reaching up to 29°C (85°F), making it a warm transition into autumn. However, it also experiences considerable precipitation at 166 mm (6.5 in) over about 15 days, along with high humidity levels of 86%. In contrast, February is frigid, with an average temperature of 0°C (31°F) and a maximum of only 15°C (59°F). It is marked by minimal precipitation of 62 mm (2.4 in) spread across around 8 days and lower humidity at 74%. For a closer look at February conditions, you can visit Chino weather in February.

September weather in Chino offers a warm and pleasant atmosphere, with average temperatures ranging from a cool 7°C (44°F) at night to a warm 29°C (85°F) during the day. This month sees significant rainfall, averaging 166 mm (6.5 in) over about 15 rainy days, contributing to a high humidity level of 86%. In contrast, March experiences much cooler temperatures, with a minimum of -7°C (20°F) and an average of only 4°C (40°F), although it can climb to a maximum of 20°C (69°F) on warmer days. The precipitation in March is somewhat lower, totaling 125 mm (4.9 in) over 12 days, and the humidity is also reduced to 70%. For a more detailed look at the weather during March, you can visit Chino weather in March.

In comparing the weather of September and April, notable differences emerge in both temperature and humidity. September boasts a much warmer average temperature of 19°C (66°F), reaching highs of 29°C (85°F), while April's average lingers at a cooler 9°C (48°F), with maximums only reaching 25°C (78°F). Additionally, September experiences higher humidity at 86% compared to April's 74%, contributing to a more atmospheric feel. Rainfall is also more prevalent in September, with 166 mm (6.5 in) over 15 days, whereas April sees 122 mm (4.8 in) across 12 days. For more details on April weather, visit Chino weather in April.

In comparing the weather of September and May, it’s clear that both months exhibit mild temperatures, but with some notable differences. September boasts a wider temperature range, with a minimum of 7°C (44°F) and an average of 19°C (66°F), leading up to a maximum of 29°C (85°F). In contrast, May starts cooler, with temperatures dropping to a minimum of 0°C (32°F) and averaging around 14°C (58°F), though it can also reach 29°C (85°F) on warmer days. Precipitation is more significant in September, totaling 166 mm (6.5 in) over approximately 15 days, compared to May’s 132 mm (5.2 in) across 11 days. Additionally, September tends to be a bit more humid at 86%, relative to May's 81%. For more specifics on May weather patterns, you can explore Chino weather in May.

September and June present similar temperature ranges, with both months peaking at a maximum of 29°C (85°F). June tends to be slightly cooler, with average temperatures around 18°C (64°F), compared to September's average of 19°C (66°F). However, September is characterized by increased precipitation, receiving 166 mm (6.5 in) over 15 days, while June has a lower total of 130 mm (5.1 in) over 13 days. Additionally, humidity levels are slightly higher in September at 86%, compared to June's 88%. For a more detailed look at June weather, check out Chino weather in June.

In comparing the weather between September and July, it’s clear that July tends to be warmer and more humid. July features a minimum temperature of 14°C (57°F), an average of 22°C (71°F), and a maximum of 32°C (90°F), along with significantly higher humidity at 93%. In contrast, September has a cooler temperature range, with a minimum of 7°C (44°F), an average of 19°C (66°F), and a maximum of 29°C (85°F). Although September experiences less precipitation overall, with 166 mm (6.5 in) across 15 days, it still holds considerable moisture. July, on the other hand, sees 263 mm (10.3 in) of rain over 20 days, making it the wetter month. For a more detailed look at July weather, you can visit Chino weather in July.

In comparing the weather between August and September, September tends to be cooler, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 29°C (85°F), compared to August's warmer averages of 11°C (52°F) to 33°C (92°F). Precipitation is slightly higher in September, with 166 mm (6.5 in) over 15 days, while August sees 136 mm (5.3 in) over 16 days. Additionally, humidity levels are marginally lower in September at 86% compared to August's 90%. For a more detailed look at August weather in the area, you can visit Chino weather in August.

September typically offers warmer temperatures, with nighttime lows averaging 7°C (44°F) and daytime highs reaching as much as 29°C (85°F). However, the month also sees considerable rainfall, with 166 mm (6.5 in) over 15 days and humidity levels around 86%. In contrast, October ushers in cooler weather, with minimum temperatures dropping to 1°C (33°F) and average daytime highs of 25°C (78°F). Precipitation increases to 235 mm (9.2 in) over 14 days, but humidity remains slightly lower at 83%. For a more detailed look at October's climate, check out Chino weather in October.

September and November present strikingly different weather patterns. In September, temperatures range from a comfortable minimum of 7°C (44°F) to a warm maximum of 29°C (85°F), with an average temperature of 19°C (66°F). This month also experiences considerable rainfall, totaling 166 mm (6.5 in) over approximately 15 days, coupled with high humidity at 86%. In contrast, November brings a significant drop in temperature, with minimums plunging to -4°C (26°F) and an average of just 6°C (44°F). The maximum temperature reaches a mild 18°C (65°F). Additionally, precipitation decreases to 49 mm (1.9 in) over about 7 days, and humidity levels settle at 80%. For a detailed overview of the conditions during this month, check out Chino weather in November.

September and December showcase a stark contrast in weather patterns. In September, temperatures fluctuate from a pleasant minimum of 7°C (44°F) to a warm maximum of 29°C (85°F), with an average of 19°C (66°F). The month is characterized by significant rainfall, accumulating 166 mm (6.5 in) over 15 days, and high humidity levels at 86%. In contrast, December experiences much colder temperatures, with a minimum of -7°C (19°F) and a more moderate maximum of 17°C (63°F), leading to an average of just 1°C (34°F). Precipitation is notably reduced, totaling 62 mm (2.4 in) over 8 days, and the humidity lowers to 78%. For more detailed insights, you can visit Chino weather in December.

Compare Chino's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Chino

As September arrives in Chino, the weather showcases a unique transition from the warmer summer months, featuring milder temperatures and increased humidity. With average highs of around 19°C (66°F), the days become more comfortable, while the nights can dip to a chilly 7°C (44°F), highlighting the city's notable temperature variance. Rain becomes more frequent during this month, contributing to approximately 166 mm (6.5 in) of precipitation over 15 days, which is a significant uptick compared to the drier summer months. This increase in rainfall not only enhances the verdant scenery but also signifies the onset of autumn, making September a distinctive time to experience Chino’s evolving climate. For more details, visit Chino Climate.