September Weather in Jiahu, China

Last updated: August 21, 2025

September in Jiahu, China showcases a dynamic climate characterized by warm temperatures and moderate rainfall. The maximum temperature can peak at a scorching 38°C (101°F), while the average hovers around 26°C (80°F), providing ideal conditions for enjoying the outdoors. Nights cool down to a refreshing 17°C (63°F), allowing for comfortable evenings. However, the month is marked by increased precipitation, with an average of 115 mm (4.5 in) falling over 16 days, contributing to a humidity level of 62%. This blend of warmth and wetness creates a vibrant atmosphere, perfect for experiencing the lush landscapes of Jiahu.

September Temperature in Jiahu

In September, Jiahu, China transitions into a milder phase, showcasing a delightful blend of warmth as summer gives way to autumn. Temperatures begin to drop slightly, with minimums around 17°C (63°F), while the average settles at a comfortable 26°C (80°F). This marks a notable change from the sweltering highs of the preceding months, as even the maximum temperature hovers around 38°C (101°F), indicating lingering summer remnants. As the month progresses, residents can enjoy more moderate, pleasant days, setting the stage for a refreshing change in the landscapes and ambiance of this vibrant region.

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

The chart illustrates September temperature patterns in Jiahu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiahu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec515362677580838280706252
Data source: Temperature data for Jiahu 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 Jiahu

In September, Jiahu experiences a significant shift as the summer rains begin to taper off, bringing a more moderate precipitation total of 115 mm (4.5 in) over 16 rainy days. This marks a distinct decrease compared to the preceding months, particularly from the peak of June with its hefty 287 mm. The rainfall is balanced, with an average of about 7 mm per rainy day, creating a gentle rhythm that supports both agricultural needs and the onset of autumn. As the region transitions into fall, September’s precipitation reflects the broader trend of decreasing rainfall, hinting at the drier months to come. Such patterns signal a welcome reprieve from the intense summer storms while still providing ample moisture for the lush landscapes of Jiahu.

September Precipitation Trends in Jiahu

The chart displays monthly precipitation patterns in Jiahu, 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 Jiahu, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4377161172198287101161115474430
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jiahu

In September, Jiahu, China, experiences a notable decline in humidity, dropping to 62% from the summer months of July and August, where levels hovered around 89% and 88% respectively. This shift marks the beginning of a transition towards drier autumn conditions, as humidity continues to fall into October, where it reaches its yearly low at 56%. The pattern indicates a gradual decrease in humidity from the wettest period in late spring and summer—most prominently highlighted by May at 85%—to the more temperate and comfortable conditions of early fall. This seasonal fluctuation reflects the region's distinctive climatic rhythm, making September a refreshing month as the air begins to clear.

September Average Humidity in Jiahu

This chart illustrates the average monthly humidity levels in Jiahu, 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 Jiahu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%66%77%73%85%83%89%88%62%56%63%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jiahu

As September rolls in, the UV Index in Jiahu, China, stands at 12, classified under the extreme exposure category, suggesting a consistent trend from the summer months. Throughout July and August, the UV Index remained at its peak of 13, indicating the importance of sun protection; however, a slight dip in September doesn't lessen the need for caution, as the burn time remains a swift 10 minutes. Following this pattern, early autumn still demands serious awareness about sun exposure, especially as the index had reached an impressive 13 during the summer peak. Don’t underestimate the sun's power this month! For more details, visit Jiahu UV Index.

Maximum UV Index Levels in Jiahu for September

The chart shows the monthly maximum UV Index (UVI) for Jiahu 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 Jiahu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213131313121087
Data source: Jiahu 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 Jiahu

In September, Jiahu, China, basks in a generous 283 hours of sunshine, a delightful continuation of the summer's abundant light. Following a spectacular July and August, which recorded peaks of 313 and 307 hours respectively, September maintains a vibrant aura as the days grow shorter. This month represents the transition into autumn while still enjoying significant sunlight, aligning with the spring months where daylight begins to climb. While it may taper off slightly compared to the heights of summer, September's sunshine showcases the region's rich tapestry of seasonal changes, inviting both residents and visitors to soak in the lingering warmth before the cooler months descend.

Monthly Sunshine Duration in Jiahu: September Highlighted

The September sunshine duration represents the total number of hours Jiahu 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h218h212h228h283h254h313h307h283h254h234h240h
Data source: Jiahu September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jiahu During September

September in Jiahu, China, offers a refreshing shift in weather patterns, boasting a 54% chance of sunny days. This increase in sunshine contrasts sharply with the dimmer summer months of June and August, where the probability dips to a mere 14% and 18% respectively. As the summer heat recedes, September emerges as a month of potential, reflecting a renewed vitality as the likelihood of clear skies approaches levels seen in the earlier winter months. With bright days on the horizon, it's an ideal time for outdoor activities and exploring the picturesque surroundings.

Percentage of Sunny Days in September in Jiahu

The chart illustrates the percentage of sunny days in Jiahu 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 Jiahu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec69%52%34%28%19%14%33%18%54%33%49%52%
Data source: Jiahu September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiahu in September

As summer transitions to autumn in Jiahu, China, September marks a gentle shift in daylight, offering about 12 hours of sunlight each day. This month reflects a gradual decline in daylight that began in late summer, mirroring the patterns observed throughout the year. After basking in peak daylight hours of 13 hours from May to July, the days start to shorten, yet September maintains a generous dose of sunshine. This trend continues into October, where daylight decreases to 11 hours, signaling the approach of winter. Overall, September serves as a bridge between the vibrant, sun-filled summer months and the cooler, shorter days of fall, allowing residents to enjoy a lovely balance of light before the hours dwindle even further.

Average Daylight Hours in Jiahu for September

The chart illustrates the variation in daylight duration in Jiahu throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 46m11h 18m12h12h 43m13h 20m13h 37m13h 28m12h 57m12h 16m11h 33m10h 56m10h 37m
Data source: Jiahu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Jiahu

As September rolls into Jiahu, China, the wind takes on a subtlety that mirrors the transition of seasons. With an average wind speed of just 1.5 m/s (3 mph), this month showcases the calm before autumn's more robust breezes return in October. A noticeable decline from the summer months, where winds hovered around 2.1 m/s to 2.3 m/s, September feels tranquil, making way for the cooler and crisper days ahead. Observing the annual trend, it becomes clear that the winds tend to ease during late summer, before picking up again as winter approaches, emphasizing a rhythmic ebb and flow in Jiahu’s atmospheric patterns.

Average September Wind Speed in Jiahu

The chart displays monthly wind speed patterns in Jiahu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.12.32.02.32.32.11.81.5 m/s2.92.52.6
Data source: Jiahu September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Jiahu Compares to Other Months

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

September and January present strikingly different weather patterns. In September, temperatures soar, with averages around 26°C (80°F) and highs reaching up to 38°C (101°F), accompanied by significant precipitation of 115 mm (4.5 in) over 16 rainy days, giving a humid feel with an average humidity of 62%. Conversely, January sees a drastic drop in temperature, where the average is a cool 10°C (51°F), peaking at a mild 26°C (79°F), but also dipping to a chilling minimum of -1°C (30°F). During this month, rainfall is lighter at 43 mm (1.7 in) across just 6 days, resulting in a relatively stable humidity level of 63%. For more specific insights on January weather in Jiahu, you can refer to Jiahu weather in January.

September and February present strikingly different weather conditions. In September, temperatures range from a minimum of 17°C (63°F) to a scorching maximum of 38°C (101°F), with an average of 26°C (80°F). This month experiences considerable rainfall, accumulating 115 mm (4.5 in) over 16 days, and humidity levels hover around 62%. In contrast, February is much cooler, with temperatures ranging from a frigid -1°C (30°F) to a mild 28°C (83°F), averaging 11°C (53°F). Precipitation is also lower in February, totaling 77 mm (3.0 in) across just 9 days, combined with slightly higher humidity at 66%. For more details, you can refer to the link: Jiahu weather in February.

In September, temperatures are generally warmer with a minimum of 17°C (63°F) and an average high of 26°C (80°F), reaching up to 38°C (101°F) on hotter days. The month experiences moderate rainfall, totaling 115 mm (4.5 in) across 16 days, and the humidity is at a comfortable 62%. In contrast, March presents a cooler climate with minimum temperatures dropping to 4°C (40°F) and an average high of 16°C (62°F), peaking at 31°C (88°F). The precipitation is slightly higher at 160 mm (6.3 in) over the same number of rainy days, and humidity increases to 77%. For more details, visit Jiahu weather in March.

In comparing the weather between September and April, notable differences emerge. September boasts warmer temperatures, with a minimum of 17°C (63°F) and an average of 26°C (80°F), peaking at 38°C (101°F). In contrast, April sees cooler conditions, with minimums around 8°C (46°F) and an average temperature of 19°C (67°F), reaching a maximum of 32°C (90°F). Precipitation levels are higher in April, totaling 172 mm (6.8 in) compared to September's 115 mm (4.5 in), although both months experience rainfall on approximately 16 days. The humidity is also slightly elevated in April at 73% versus September's 62%. For more detailed information, you can visit Jiahu weather in April.

In comparing the weather between September and May, we see distinct differences in temperature and precipitation patterns. September typically experiences warmer temperatures, with a minimum of 17°C (63°F) and an average of 26°C (80°F), peaking at a high of 38°C (101°F). In contrast, May enjoys milder conditions, with a minimum of 11°C (53°F), an average of 24°C (75°F), and a maximum reaching 34°C (94°F).

Precipitation is notably higher in May, totaling 198 mm (7.8 in) over 19 days, compared to September's 115 mm (4.5 in) across 16 days. Additionally, May boasts a higher humidity level at 85%, while September has a relatively lower humidity of 62%. This combination of cooler temperatures and increased moisture in May can significantly impact comfort levels, making it a unique month weather-wise. For more details, check out Jiahu weather in May.

In comparing the weather of September and June, both months feature a minimum temperature of 17°C (63°F), but June tends to be slightly warmer overall with an average temperature of 27°C (80°F) compared to September's average of 26°C (80°F). However, September experiences higher maximum temperatures, reaching up to 38°C (101°F), while June peaks at 35°C (95°F). Precipitation is significantly more abundant in June, with 287 mm (11.3 in) falling over 21 days, compared to September's 115 mm (4.5 in) over 16 days. This results in a markedly higher humidity level in June at 83%, compared to September's 62%. For a detailed look at June weather in Jiahu, visit Jiahu weather in June.

In comparing the weather of September and July, we notice some distinct differences. September experiences a minimum temperature of 17°C (63°F) and an average of 26°C (80°F), while July is warmer, with a minimum of 21°C (70°F) and an average of 29°C (84°F). The maximum temperatures in both months are quite high, with July peaking at 40°C (103°F) compared to September's 38°C (101°F). In terms of precipitation, September has a slightly higher amount at 115 mm (4.5 in) over 16 days, whereas July sees 101 mm (4.0 in) across 15 days. Additionally, July is notably more humid at 89%, compared to September's 62%. For a closer look at July’s conditions, visit Jiahu weather in July.

September's weather features slightly cooler temperatures compared to August, with a minimum of 17°C (63°F) and an average of 26°C (80°F), while August maintains warmer nights with a minimum of 22°C (71°F) and an average of 28°C (83°F). Both months experience the same maximum temperature of 38°C (100°F in August and 101°F in September), but September sees reduced precipitation at 115 mm (4.5 in) over 16 days, compared to 161 mm (6.3 in) over 21 days in August. The humidity also decreases significantly from 88% in August to 62% in September. For a more detailed look at August weather in Jiahu, you can visit Jiahu weather in August.

September and October weather shows a notable transition from the warmth of late summer to the cooler onset of autumn. September experiences higher temperatures, with a minimum of 17°C (63°F) and an average of 26°C (80°F), reaching up to 38°C (101°F) on hot days. In contrast, October sees cooler conditions, with a minimum of 11°C (53°F) and an average of 21°C (71°F), peaking at 36°C (97°F). Additionally, September is marked by significantly more rainfall, totaling 115 mm (4.5 in) over 16 days, whereas October tends to be drier, with only 47 mm (1.8 in) falling across 7 days. Humidity also slightly decreases from 62% in September to 56% in October, reflecting the changing seasons. For more detailed information about the climate in October, check out Jiahu weather in October.

In September, the weather is much warmer, with temperatures ranging from a minimum of 17°C (63°F) to a scorching maximum of 38°C (101°F) and an average of 26°C (80°F). This month experiences significant rainfall, totaling 115 mm (4.5 in) over 16 days, making it one of the wetter months of the year, while humidity hovers around 62%. In contrast, November sees a marked drop in temperatures, with lows reaching 6°C (42°F) and an average of only 17°C (62°F). The maximum temperature is a milder 30°C (87°F), and the month is considerably drier, accumulating just 44 mm (1.7 in) of rain over 8 days, accompanied by relatively stable humidity levels at 63%. For more detailed information on November weather, visit Jiahu weather in November.

September weather is characterized by warm temperatures, with a minimum of 17°C (63°F) and an average of 26°C (80°F), reaching highs of 38°C (101°F). It's a relatively wet month, with 115 mm (4.5 in) of precipitation spread over 16 days, and humidity levels at 62%. In contrast, December brings much cooler temperatures, with a minimum of 0°C (32°F) and an average of 11°C (52°F), peaking at 27°C (81°F). Precipitation is significantly lower in December, totaling just 30 mm (1.2 in) over 5 days, while humidity rises slightly to 70%. For more insights on December weather, you can visit Jiahu weather in December.

Compare Jiahu's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Jiahu

September in Jiahu showcases a transition from the sweltering summer heat to more moderate temperatures, offering a welcome relief for residents and visitors alike. With maximum temperatures reaching just below the summer highs, average conditions settle comfortably around 26°C, allowing for pleasant outdoor activities. However, the month is marked by increased precipitation—a significant shift as the region becomes more humid, with 16 days of rainfall contributing to a lush landscape. This month’s combination of warmth and moisture sets the stage for a vibrant shift in the local scenery and activities, making it distinct within Jiahu's annual climate. To explore more about the year-round weather patterns in Jiahu, visit Jiahu Climate.