Last updated: August 21, 2025
September in Sanjiang, China presents a warm and humid climate, with average temperatures hovering around 25°C (77°F), peaking at a maximum of 36°C (98°F). As the month progresses, the weather brings an average of 96 mm (3.8 in) of precipitation over 10 days, contributing to a 75% humidity level that envelops the region. This blend of heat and moisture creates a vibrant atmosphere, ideal for experiencing the lush landscapes and rich culture that Sanjiang has to offer.
In September, Sanjiang, China, transitions into a more temperate climate, marked by a minimum temperature of 15°C (60°F) and an average of 25°C (77°F). As summer begins to fade, the heat intensifies slightly with a maximum of 36°C (98°F), a trend consistent with the preceding months. This month showcases a delightful shift from the sweltering summer heat of August, which recorded temperatures peaking at 37°C (99°F). Celebrated for its milder evenings and warm days, September offers an inviting climate for outdoor activities, making it an ideal time for visitors to explore the region's vibrant scenery. Overall, the steady decline in minimum temperatures hints at the upcoming autumn, paving the way for cooler days ahead.
In September, Sanjiang experiences a significant shift in its precipitation patterns, receiving 96 mm (3.8 in) of rain over 10 days. This marked decrease in rainfall follows August's hefty 158 mm (6.2 in), illustrating a transition towards drier conditions as the region shifts into autumn. With precipitation gradually tapering off from the previous summer highs, September's rainfall is lighter than the peak months of June and July, yet still crucial for sustaining the lush landscapes. This month serves as a bridge, with rainfall cooling off but remaining substantial enough to support the local ecosystem before the drier months of October and November set in.
As September arrives in Sanjiang, China, the humidity begins to decline from the peak summer levels. After a sweltering July and August, where humidity reached an impressive 90% and 88% respectively, September offers a slight respite at 75%. This drop marks a transition into the drier season, bringing relief to residents and visitors alike. The trend throughout the year showcases a gradual increase in humidity from January, where levels sit at 70%, steadily climbing to more damp conditions in the mid-summer months. While September still maintains a relatively high humidity compared to the drier winter months ahead, it signals the end of the sticky, tropical summer and the approach of autumn's crispness.
As September rolls in, residents of Sanjiang, China, experience a very high UV Index level of 10, indicating that sun exposure poses significant risks. While this marks a slight decrease from the peak extreme levels of 11 observed during the summer months, caution remains essential, with a burn time of just 15 minutes before harmful effects can set in. This month signifies a transition as the summer heat gradually wane, yet the intensity of UV radiation continues to demand attention. Those venturing outdoors should remain vigilant about their sun protection, as September still maintains a robust UV presence. For detailed insights on the UV Index throughout the year, be sure to check Sanjiang UV Index.
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In September, Sanjiang enjoys a spectacular 256 hours of sunshine, marking a delightful transition into autumn. This is a notable dip from the peak brightness of August, which boasts an impressive 294 hours. However, September still proudly stands among the sun-kissed months of the year, significantly brighter than the winter months, signaling that nature is gracefully shifting as the days grow shorter. The steady increase in sunlight from January's mere 150 hours to a summer zenith in July and August showcases a vibrant trend of abundant sunshine, making September a charming month where the warmth lingers just a bit longer before the cooler temperatures set in.
As September rolls in, Sanjiang, China, experiences a notable rise in sunshine, with the likelihood of sunny weather peaking at 53%. This marks a shift from the summer months, particularly July, which sees the lowest chance of sun at 21%. Following the heat of the summer, September offers a refreshing transition with increased sunshine compared to August's 37%. As autumn approaches, this trend of sunny days continues, setting the stage for crisp, enjoyable weather in the months ahead. It’s a delightful time to soak in the rays before the cloudier days of October arrive, which still hold a respectable 43% chance of sunshine.
In Sanjiang, China, the rhythm of daylight hours unfolds with the changing seasons, creating a captivating tapestry of light throughout the year. September marks a subtle transition, offering about 12 hours of daylight—a gentle decrease following the sunniest months of June and July, which bask in 14 hours. As summer recedes, daylight gradually diminishes, reflecting a shift towards autumn. This trend continues into October, where the days shrink further to 11 hours, signaling the approach of the cooler months. Overall, the daylight patterns depict a gradual evolution from the long, sun-drenched days of summer to the shorter intervals of winter, evoking the comforting embrace of seasonal change.
In September, Sanjiang experiences a gentle breeze with an average wind speed of 2.7 m/s (6 mph), marking a slight uptick from the lower winds of the summer months. This seasonal shift reflects a gradual return to more consistent gusts, as the air begins to cool down transitioning into autumn. Notably, the winds remain relatively stable throughout the month, aligning with the prevailing patterns observed from the previous seasons, where January through April showcased similar mild conditions. As summer wanes, September's winds invite a refreshing change, harmonizing beautifully with the vibrant colors and crisp air characteristic of the changing season in this picturesque region of China.
Weather in Sanjiang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sanjiang, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures soar with averages around 25°C (77°F) and a peak of 36°C (98°F), accompanied by high humidity at 75%. The month experiences 96 mm of precipitation over about 10 days, signaling the transition into autumn. In comparison, January brings much cooler conditions, with average temperatures plunging to 5°C (41°F) and lows reaching a frigid -9°C (17°F). The precipitation is lower at 62 mm over just 8 days, and humidity levels drop slightly to 70%. For more detailed insights into January's climate, you can refer to Sanjiang weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a mild 15°C (60°F) at night to a sweltering 36°C (98°F) during the day, with an average temperature of 25°C (77°F). The month also sees considerable humidity at 75% and precipitation of 96 mm (3.8 in) across approximately 10 days. In contrast, February experiences much colder temperatures, with lows plunging to -8°C (17°F) and a daily maximum of 26°C (80°F), while the average sits at a chilly 7°C (44°F). The precipitation is somewhat lower at 70 mm (2.8 in) over the same number of days, accompanied by slightly lower humidity of 73%. For details on February weather in Sanjiang, you can visit Sanjiang weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 36°C (98°F), with an average of 25°C (77°F), making it warmer overall. The month experiences significant humidity at 75% and approximately 96 mm (3.8 in) of rainfall over 10 days. In contrast, March is much cooler, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 30°C (86°F) and an average of 13°C (55°F). The humidity is slightly higher at 82%, and precipitation is comparable at 98 mm (3.9 in) over 12 days. For more information on March weather, check out Sanjiang weather in March.
When comparing the weather in September and April, notable differences emerge. September experiences warmer temperatures with a minimum of 15°C (60°F) and an average of 25°C (77°F), peaking at 36°C (98°F). In contrast, April is much cooler, starting at a minimum of 5°C (42°F) and averaging 17°C (64°F), with a maximum of 33°C (91°F). Precipitation is slightly higher in September at 96 mm (3.8 in) over approximately 10 days, while April sees 79 mm (3.1 in) spread over 9 days. Additionally, April has a higher humidity level at 86%, compared to September's 75%. For more detailed information, visit Sanjiang weather in April.
September and May present distinct weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 36°C (98°F), with an average of 25°C (77°F). The month sees about 96 mm (3.8 in) of precipitation over approximately 10 days, along with a humidity level of 75%. In contrast, May offers slightly cooler temperatures, with a minimum of 12°C (53°F) and a maximum of 35°C (96°F), averaging 23°C (73°F). It is also a wetter month, receiving around 140 mm (5.5 in) of rain over 11 days, and exhibits higher humidity at 85%. For more detailed weather insights, visit Sanjiang weather in May.
When comparing the weather in September and June, both months exhibit warm temperatures, but June tends to be slightly hotter. September has a minimum temperature of 15°C and averages around 25°C, while June starts at a higher minimum of 17°C and averages 26°C. The maximum temperatures also show a similar trend, with June reaching up to 37°C compared to September's peak of 36°C. However, June is significantly wetter, with 237 mm of precipitation over 14 days, while September sees only 96 mm across 10 days. Additionally, June's humidity is higher at 85% compared to September's 75%. For a more detailed overview, you can check Sanjiang weather in June.
September and July present distinctly different weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 36°C (98°F), with an average of 25°C (77°F) and a moderate level of precipitation at 96 mm (3.8 in) spread over 10 days. The humidity is relatively high at 75%. In contrast, July boasts warmer temperatures, with a minimum of 20°C (69°F), an average of 29°C (84°F), and a maximum reaching 39°C (103°F). It also experiences significantly more rainfall, totaling 276 mm (10.9 in) over 16 days, along with higher humidity levels at 90%. For a closer look at July's weather specifics, you can explore the details here: Sanjiang weather in July.
September weather presents a noticeable contrast to August, characterized by lower temperatures and reduced humidity. While August sees an average temperature of 29°C (84°F) with highs reaching up to 37°C (99°F), September offers a more moderate average of 25°C (77°F) with a maximum of 36°C (98°F). Additionally, rainfall decreases significantly from 158 mm (6.2 in) over 13 days in August to 96 mm (3.8 in) over just 10 days in September. The humidity also drops, making September feel a bit more comfortable than the muggier August conditions, which boast high humidity levels of 88%. For a closer look at August weather specifics, you can explore Sanjiang weather in August.
September weather features significant warmth, with average temperatures reaching 25°C (77°F) and maximums soaring up to 36°C (98°F). However, the month also brings along considerable precipitation, totaling 96 mm (3.8 in) over about 10 days, coupled with high humidity levels around 75%. In contrast, October experiences cooler temperatures, with an average of 18°C (66°F) and a minimum dropping to 8°C (46°F). Although the maximum temperature can still reach up to 37°C (100°F), the overall precipitation decreases to 55 mm (2.2 in) across just 6 days and humidity remains relatively stable at 76%. For more detailed information, check out Sanjiang weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a scorching maximum of 36°C (98°F), with an average of 25°C (77°F). The month experiences significant rainfall, with 96 mm (3.8 in) of precipitation over about 10 days, accompanied by a humidity level of 75%. In stark contrast, November sees much cooler temperatures, with a minimum of 2°C (35°F), an average of 13°C (56°F), and a maximum of 28°C (83°F). Rainfall decreases significantly to 43 mm (1.7 in) over just 7 days, and humidity rises to 84%. For more specific details on November weather, you can refer to Sanjiang weather in November.
September and December present stark contrasts in weather. September enjoys warmer temperatures, with a minimum of 15°C (60°F) and an average of 25°C (77°F), reaching a maximum of 36°C (98°F). It experiences significant rainfall, totaling 96 mm (3.8 in) over about 10 days, accompanied by a humidity level of 75%. In contrast, December sees a much cooler climate, with temperatures ranging from a minimum of -6°C (22°F) to an average of 7°C (44°F), peaking at 21°C (69°F). Precipitation decreases to 44 mm (1.7 in) over just 7 days, with humidity slightly higher at 77%. For more details on December weather, you can visit Sanjiang weather in December.
As September arrives in Sanjiang, the weather undergoes a noticeable transformation. With a maximum temperature soaring to 36°C, the heat lingers from summer, yet the average temperature settles at a comfortable 25°C, providing some relief. Humidity levels peak at 75%, creating a muggy atmosphere, while the month also sees around 96 mm of precipitation across 10 days, signaling the transition into the wetter autumn months. This shift makes September distinct, blending the tail-end warmth of summer with the beginnings of fall's moisture. For a closer look at the weather patterns throughout the year, visit Sanjiang Climate.