September Weather in Sanfang, China

Last updated: August 21, 2025

In September, Sanfang, China, experiences a warm climate characterized by a maximum temperature reaching up to 36°C (96°F) and an average temperature of 26°C (80°F), providing a pleasant backdrop for outdoor activities. Nighttime brings a welcome relief with temperatures dipping to a minimum of 16°C (61°F). However, this month also sees moderate rainfall, with a total precipitation amount of 88 mm (3.5 in) spread over about 12 days, contributing to 62% humidity levels. This combination of warmth and occasional rain creates a vibrant atmosphere, perfect for exploring the rich culture and scenic beauty of Sanfang.

September Temperature in Sanfang

In September, Sanfang, China experiences a delightful transition as summer wanes and autumn approaches. The temperatures showcase a comfortable range, with minimums around 16°C (61°F) and averages peaking at 26°C (80°F), providing a splendid backdrop for outdoor activities. The maximum temperatures can reach up to 36°C (96°F), reflecting the residual warmth of summer while hinting at the cooler days ahead. This month marks a significant shift from the intense heat of July and August, where temperatures soared, making September an ideal time for enjoying the vibrant autumn scenery and pleasant weather before the chill of October sets in.

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

The chart illustrates September temperature patterns in Sanfang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanfang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec475059667580858479685949
Data source: Temperature data for Sanfang 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 Sanfang

In September, Sanfang experiences a notable transition in precipitation, receiving an average of 88 mm (3.5 in) over approximately 12 days of rainfall. This marks a decline from the lush summer months of June and May, which saw much heavier precipitation, but still signifies a shift away from the dry spell that begins in the fall. As the last month of the summer monsoon season, September's precipitation prepares the landscape for the cooler months ahead, with rainfall tapering off to just 44 mm (1.7 in) in October. The reduced frequency of rainy days compared to the peak months reflects a gradual shift in climate, as nature gears down from the intense moisture of summer to the drier conditions typical of autumn.

September Precipitation Trends in Sanfang

The chart displays monthly precipitation patterns in Sanfang, 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 Sanfang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec448417216124333214513588446836
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sanfang

As summer fades into autumn, September in Sanfang, China experiences a notable decrease in humidity, dropping to 62%. This marks the lowest point in the year following the peak humidity of 89% in July. Unlike the sweltering months that precede it, where humidity hovers in the mid-to-high 80s, September ushers in a breath of fresh air as it initiates a transition towards drier weather. This contrast highlights a seasonal shift, setting the stage for the slightly more humid months ahead in October and November, with values stabilizing around 64% and 72% respectively. Overall, September offers a refreshing reprieve from the heat and moisture that characterizes the summer months, making it a pleasant time in Sanfang.

September Average Humidity in Sanfang

This chart illustrates the average monthly humidity levels in Sanfang, 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 Sanfang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%69%79%81%86%83%90%84%62%64%72%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sanfang

In September, Sanfang continues to experience intense sun exposure, with a UV Index of 11, categorizing it as extreme. This marks a slight decline from the heights of July and August, which both recorded a peak UV Index of 13. Despite the drop, residents and visitors should still be vigilant, as the burn time remains a swift 10 minutes under these conditions. As the summer months fade, the Index is expected to decrease further into October, offering a brief respite with a UV Index of 9. Staying informed about these trends is crucial for safe outdoor activities—check the detailed forecast at Sanfang UV Index for the most accurate information.

Maximum UV Index Levels in Sanfang for September

The chart shows the monthly maximum UV Index (UVI) for Sanfang 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 Sanfang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6811111212131311986
Data source: Sanfang 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 Sanfang

In September, Sanfang basks in a robust 283 hours of sunshine, continuing a delightful trend from the summer months. This vibrant month follows August, which recorded a peak of 320 hours, showcasing Sanfang's sun-kissed climate during the summer season. As autumn approaches, the sunshine begins to taper off, yet September retains a generous amount of bright days, significantly higher than the winter months where sunlight dips to 166 hours in January. With each passing month, the gradual transition from the intense summer sun to the milder autumn light illustrates the region's dynamic seasonal shifts, inviting both residents and visitors to savor the lingering warmth before the cooler days ahead.

Monthly Sunshine Duration in Sanfang: September Highlighted

The September sunshine duration represents the total number of hours Sanfang 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.
JanFebMarAprMayJunJulAugSepOctNovDec166h208h190h234h281h247h309h320h283h225h220h212h
Data source: Sanfang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sanfang During September

In Sanfang, China, September marks a delightful return to sunny weather, boasting a remarkable 66% chance of sunshine. This revitalizing trend emerges after a sluggish summer, where the likelihood of sunny days dwindles to as low as 14% in June. As the seasons transition, September stands out with a significant uptick in clear skies, surpassing even the sunniest months of January and October. This increase not only brightens the landscape but also invites outdoor activities, making it a perfect time for locals and visitors alike to bask in the improving conditions and enjoy the beauty of early autumn.

Percentage of Sunny Days in September in Sanfang

The chart illustrates the percentage of sunny days in Sanfang 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 Sanfang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%45%30%17%15%14%31%23%66%33%44%47%
Data source: Sanfang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sanfang in September

As summer fades into autumn, September in Sanfang, China, welcomes a gentle transition in daylight duration. With the sun gracing the sky for 12 hours, this month marks a slight decrease from the sun-drenched days of summer, which boast 13 hours of daylight. Following the vibrant energy of May through August, September hints at the approaching fall, where daylight begins to shrink once again. This pattern reflects a natural rhythm, as daylight gradually dwindles towards the 10 hours of sunlight typical in the heart of winter months, creating a captivating cycle that underscores the changing seasons.

Average Daylight Hours in Sanfang for September

The chart illustrates the variation in daylight duration in Sanfang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 39m11h 14m12h12h 47m13h 27m13h 46m13h 36m13h 2m12h 17m11h 30m10h 49m10h 28m
Data source: Sanfang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sanfang

As September rolls into Sanfang, China, the gentle breeze begins to whisper a shift in seasons, with an average wind speed of 1.7 m/s (4 mph). This slight decrease from the summer's peak winds of 2.5 m/s (6 mph) in July signals the approach of autumn. The summer months initially brought invigorating gusts, but by mid to late summer, the winds softened, dropping to 1.8 m/s in August. September's breezes are a reminder of the tranquil transition, echoing the mild aspersions of earlier months like January and April, both with similar calmness. As the winds prepare to pick up again in October, the cycle of Sanfang’s weather continues to reflect the elegant dance between seasons, blending comfort with the anticipation of change.

Average September Wind Speed in Sanfang

The chart displays monthly wind speed patterns in Sanfang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.21.82.11.82.22.22.51.81.7 m/s2.51.81.9
Data source: Sanfang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sanfang Compares to Other Months

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

September and January exhibit striking contrasts in weather. In September, temperatures range from a minimum of 16°C (61°F) to a scorching maximum of 36°C (96°F), with an average of 26°C (80°F). The month sees considerable rainfall, totaling 88 mm (3.5 in) over 12 days, and humidity levels around 62% create a warm and sometimes muggy atmosphere. In stark contrast, January experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 24°C (76°F), averaging just 8°C (47°F). Precipitation also decreases to 44 mm (1.7 in) over 7 days, while humidity remains slightly higher at 64%. For those interested in exploring more about the weather conditions in January, you can refer to Sanfang weather in January.

September and February present contrasting weather experiences. In September, temperatures fluctuate from a minimum of 16°C (61°F) to a maximum of 36°C (96°F), with an average of 26°C (80°F) and a humidity level of 62%. Precipitation during this month totals 88 mm (3.5 in) over 12 days, contributing to a warm and somewhat humid atmosphere. In stark contrast, February's temperatures are much cooler, ranging from a minimum of -3°C (26°F) to a maximum of 26°C (79°F), with an average of just 10°C (50°F). The humidity rises slightly to 69%, and precipitation remains similar at 83 mm (3.3 in) over 10 days, resulting in a cold wintery feel. For more details, you can check out Sanfang weather in February.

September and March exhibit contrasting weather patterns, reflecting the shift from the warmth of summer to the coolness of early spring. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 36°C (96°F), with an average of 26°C (80°F), while humidity sits at 62%. The month also sees a moderate amount of rainfall, with 88 mm (3.5 in) spread over about 12 days. In stark contrast, March experiences much cooler temperatures, with a minimum of 2°C (36°F) and an average of 15°C (59°F), peaking at 30°C (86°F). Precipitation is heavier during this month, totaling 172 mm (6.8 in) across 19 days, and the humidity rises to 79%. For a closer look at the conditions during this time, you can visit Sanfang weather in March.

In September, the weather typically features warmer temperatures, with averages around 26°C (80°F) and highs reaching up to 36°C (96°F). This month experiences some rainfall, accumulating to about 88 mm (3.5 in) over 12 days, with humidity levels around 62%. In contrast, April is notably cooler, with average temperatures of 19°C (66°F) and maximums of 32°C (90°F). However, it sees significantly more precipitation, totaling 161 mm (6.3 in) across 16 days, and higher humidity at 81%. For a more detailed look at the weather in April, you can visit Sanfang weather in April.

When comparing the weather in September and May, several notable differences emerge. September presents warmer conditions with an average temperature of 26°C (80°F) and maximums reaching up to 36°C (96°F), while May is slightly cooler, averaging 24°C (75°F) and peaking at 35°C (95°F). However, May experiences significantly higher precipitation, with 243 mm (9.6 in) falling over 19 days compared to September's 88 mm (3.5 in) over 12 days. Additionally, humidity levels are higher in May at 86%, compared to September's 62%. For a more detailed look at May weather conditions, check Sanfang weather in May.

In comparing the weather of September and June, both months exhibit similar maximum temperatures, reaching up to 36°C (96°F), but September typically has slightly lower humidity at 62% compared to June's higher humidity level of 83%. Additionally, September enjoys a more moderate average temperature of 26°C (80°F), just below June's average of 27°C (80°F). However, June experiences significantly higher rainfall, with 332 mm (13.1 in) of precipitation over 19 days, whereas September sees only 88 mm (3.5 in) over 12 days. For a detailed look at June's weather, you can refer to Sanfang weather in June.

When comparing the weather in September and July, notable differences emerge in both temperature and humidity levels. September presents a slightly cooler climate, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 36°C (96°F), while July is generally hotter, featuring temperatures that range from a minimum of 21°C (70°F) to a maximum of 38°C (101°F). Additionally, July experiences higher precipitation, with about 145 mm (5.7 in) falling over 15 days, compared to September's 88 mm (3.5 in) over 12 days. Humidity levels also peak in July at 89%, making it feel more muggy compared to September's 62%. For more detailed insights, you can check Sanfang weather in July.

September weather shows a slight cooling trend compared to August, with minimum temperatures dropping from 23°C (73°F) in August to 16°C (61°F) in September. While the average temperature in September is 26°C (80°F), it's still warm, although it's not as high as August's 29°C (84°F) average. Additionally, September experiences a decrease in precipitation, with 88 mm (3.5 in) falling over 12 days compared to August's 135 mm (5.3 in) spread over 16 days. Humidity levels also drop from 84% in August to 62% in September, providing a more comfortable atmosphere. For more details on August weather, you can check Sanfang weather in August.

September and October exhibit notable differences in weather patterns. September features warmer temperatures, with an average of 26°C (80°F) and highs reaching up to 36°C (96°F), accompanied by higher humidity levels at 62%. In contrast, October sees a drop in average temperature to 20°C (68°F), with nights getting cooler, averaging a low of 10°C (49°F). Additionally, October experiences significantly less rainfall, totaling only 44 mm (1.7 in) over 7 days compared to September's 88 mm (3.5 in) over 12 days. For more detailed information about the weather in October, you can visit Sanfang weather in October.

September and November exhibit distinct differences in weather patterns. In September, temperatures are much warmer, with a minimum of 16°C (61°F) and an average high reaching up to 36°C (96°F), while November sees cooler temperatures ranging from a minimum of 4°C (39°F) to a max of 30°C (86°F). September also experiences higher precipitation, measuring 88 mm (3.5 in) over 12 days, compared to November's 68 mm (2.7 in) over just 9 days. Additionally, humidity levels are slightly higher in November at 72%, compared to 62% in September. For more specific details about November weather in Sanfang, you can visit Sanfang weather in November.

September and December showcase markedly different weather patterns. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 36°C (96°F), with an average of 26°C (80°F). The month experiences higher rainfall, totaling 88 mm (3.5 in) over about 12 days, accompanied by a humidity level of 62%. In contrast, December brings a chillier climate, with temperatures dipping to a minimum of -1°C (30°F) and reaching a maximum of 25°C (78°F), averaging around 9°C (49°F). Precipitation decreases significantly to 36 mm (1.4 in) across just 7 days, while humidity rises to 76%. These differences highlight the transition from the warmth and humidity of early autumn to the colder, drier conditions of winter. For more details on December weather, check out Sanfang weather in December.

Compare Sanfang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sanfang

As September unfolds in Sanfang, the weather takes on a unique character distinct from the sweltering peak of summer. While daytime temperatures can still reach an impressive 36°C, the average settles comfortably at 26°C, providing a pleasant respite from the heat. The onset of September also brings increased humidity, often hovering around 62%, and introduces regular rainfall with about 12 days of precipitation totaling 88 mm. This transition marks a shift toward a more balanced climate, creating a refreshing atmosphere perfect for outdoor activities. For detailed insights into what to expect throughout the year, explore Sanfang Climate.