Last updated: August 21, 2025
In September, Jilin, China experiences a diverse climate marked by a maximum temperature reaching 30°C (86°F) and a comfortable average of 16°C (62°F). The month can be quite variable, with minimum temperatures dipping to 2°C (36°F). Expect 132 mm (5.2 in) of precipitation spread over 10 days, adding to the region's lush beauty. Additionally, with humidity levels averaging 84%, the air feels quite rich, providing a distinct character to the early autumn atmosphere. This blend of warmth and moisture makes September a captivating time to explore Jilin's breathtaking landscapes.
In September, Jilin, China experiences a delightful transition from the scorching summer to the crispness of autumn. Temperatures begin to follow a warming trend, with minimums averaging around 2°C (36°F) and maximums reaching up to 30°C (86°F). This month marks a notable change, as the average temperature of 16°C (62°F) reflects a comfortable climate ideal for outdoor activities and enjoying the stunning fall foliage. As the month progresses, there’s a clear hint of the approaching chill of October, making September a perfect time to revel in the lingering warmth while preparing for the briskness ahead.
In September, Jilin, China, experiences a notable shift in precipitation, with an impressive 132 mm (5.2 in) of rainfall spread over 10 days. This marks a sharp decrease from the 213 mm (8.4 in) recorded in August, reflecting the transition from the peak of the rainy season to a more moderate autumn climate. The monthly precipitation showcases how summer's lush rains gradually give way to the drier conditions that will follow in October and November, which typically see much lower totals of 45 mm (1.8 in) and 40 mm (1.6 in), respectively. This trend emphasizes the gradual retreat of summer's influence as Jilin prepares for the cooler months ahead.
In September, Jilin, China, experiences a notable humidity rate of 84%, reflecting a transition from the peak of summer. The summer months of July and August showcase the highest levels of humidity, peaking at 87% and 88%, respectively, as the air remains saturated with moisture. As the season shifts to autumn, humidity begins to stabilize, dropping slightly to 84% in September, and maintaining this level into October. Historically, the trend indicates that early autumn is characterized by a gradual decrease in humidity, moving towards drier winter months, where November and December register markedly lower levels of 69% and 65%. This provides a refreshing reprieve from the sweltering summer climate, setting the stage for crisp autumn days ahead.
In September, Jilin, China experiences a UV Index of 7, categorized as high, which indicates that sun exposure should be approached with care. Unlike the intense peaks of the summer months, where the Index reached a maximum of 10 in July, September’s UV levels signify a slight decline yet remain significant. With a burn time of 25 minutes, it's prudent for residents and visitors to take protective measures during outdoor activities, ensuring they stay safe from sun damage. As autumn approaches, the UV Index drops gradually, but September serves as a reminder that UV rays can still be potent. For more detailed information, visit Jilin UV Index.
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As September arrives in Jilin, China, residents bask in an impressive 281 hours of sunshine, continuing the trend of abundant light seen through the summer months. Following a peak in July with 339 hours, sunlight begins to subtly taper off, yet September remains vibrant compared to the earlier months of the year. The gradual transition from the sun-drenched days of high summer marks a shift toward the cooler autumn months. While the sunshine hours decrease, the warmth of early autumn still lingers, inviting both locals and visitors to relish the outdoor beauty before the chill of winter sets in.
In Jilin, China, September marks a transitional period as the summer heat begins to wane, bringing with it a moderate 36% chance of sunny weather. This figure, while higher than the gloomy probabilities of the peak summer months, such as July and August at just 33% and 32% respectively, still lags behind the sunnier months of early fall and late spring, where chances rise significantly. Notably, as the year progresses, the likelihood of sunshine rebounds substantially in October, reaching 59%, hinting at a more favorable forecast just around the corner. Thus, September offers a brief moment of uncertainty, where the remnants of summer gracefully transition into the crispness of autumn.
As summer fades into fall, September in Jilin, China marks a subtle shift in daylight hours, with the sun gracing the sky for 12 hours. This decline follows the peak summer months of June and July, where daylight reached an impressive 15 hours. The gradual reduction in sunlight hints at the changing seasons, as the days grow shorter and transition towards the crispness of autumn. Following September, daylight continues to wane, dipping to 10 hours in October, before descending further into the winter months. This annual rhythm, from the vibrant brightness of summer to the introspective glow of winter, paints a vivid picture of Jilin's seasonal transformation.
As September arrives in Jilin, China, the landscape begins to feel the subtle transition towards autumn. The average wind speed drops to 2.2 m/s (5 mph), marking a continued decline from the earlier summer months of July and August, which recorded the lightest breezes of the year. This gentle wind pattern reflects a broader trend observed throughout the summer, where speeds peaked in May at 3.5 m/s (8 mph) before gradually tapering off. The cool air of September, paired with the softening winds, brings a refreshing change, hinting at the crispness of October ahead, as winds typically pick up again to 2.7 m/s (6 mph). This rhythm of seasonal shifts not only shapes the weather but also the vibrant cultural tapestry of Jilin as it prepares for the colorful autumn foliage.
Weather in Jilin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jilin, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present a stark contrast in weather conditions. In September, temperatures can range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), with an average of 16°C (62°F). This month also experiences significant precipitation, with 132 mm (5.2 in) over about 10 days, alongside humidity levels reaching 84%. In contrast, January brings frigid temperatures, with lows plummeting to -36°C (-33°F) and an average of -15°C (5°F), peaking only at 2°C (36°F). Precipitation is minimal, at just 10 mm (0.4 in) over 3 days, and humidity levels decrease to 78%. For more details on the weather in January, you can visit Jilin weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 30°C (86°F) during the day, with an average of 16°C (62°F). The month sees a significant amount of rain, totaling 132 mm (5.2 in) over approximately 10 days, alongside high humidity levels at 84%. In stark contrast, February experiences frigid conditions, with temperatures dipping as low as -31°C (-24°F) and peaking at just 10°C (50°F), yielding an average of -11°C (12°F). Precipitation is minimal at only 14 mm (0.5 in) over 3 days, and humidity decreases to 72%. For more information on February weather specifics, check out Jilin weather in February.
September and March showcase a stark contrast in weather conditions. September typically offers milder temperatures, with an average of 16°C (62°F) and highs reaching up to 30°C (86°F), accompanied by relatively high humidity at 84% and significant rainfall measuring 132 mm over about 10 days. In contrast, March presents a much colder climate, with average temperatures hovering around 0°C (32°F) and extremes dropping as low as -24°C (-10°F), while only receiving 25 mm of precipitation over 5 days and boasting a lower humidity level of 65%. For more insights into March's weather, you can check out Jilin weather in March.
When comparing the weather in September and April, several notable differences emerge. September enjoys a warmer climate, with average temperatures around 16°C (62°F) and highs reaching up to 30°C (86°F), while April's average hovers at a cooler 8°C (48°F), and maximum temperatures can reach 28°C (84°F). Precipitation levels significantly vary as well; September sees about 132 mm (5.2 in) over 10 days, creating a much wetter atmosphere, in contrast to April's lighter rainfall of 29 mm (1.2 in) over just 7 days. Additionally, September's humidity is notably higher at 84%, compared to April's 63%, suggesting a more muggy experience later in the year. For more detailed information on April weather, you can visit Jilin weather in April.
In comparing the weather between September and May, we see notable differences in temperature, precipitation, and humidity. September presents a broader temperature range, with minimums of 2°C (36°F) and maximums reaching 30°C (86°F), averaging 16°C (62°F). In contrast, May has similar minimum temperatures at 1°C (33°F) but can peak at a higher 35°C (95°F), with an average of 15°C (60°F).
On the precipitation front, September experiences heavier rainfall at 132 mm (5.2 in), compared to May's 77 mm (3.0 in), both occurring over about 10 days. Additionally, September is more humid with a level of 84%, whereas May's humidity is slightly lower at 70%. For a deeper insight into the specific conditions of May, you can explore Jilin weather in May.
When comparing the weather in September and June, there are notable differences in temperatures and precipitation patterns. September experiences slightly cooler temperatures, with a minimum of 2°C (36°F) and an average of 16°C (62°F), while June is warmer, featuring a minimum of 6°C (42°F) and an average of 20°C (68°F). The maximum temperatures in September reach up to 30°C (86°F), in contrast to June’s higher maximum of 33°C (92°F). In terms of precipitation, both months receive similar amounts, with September recording 132 mm (5.2 in) over about 10 days, whereas June has 130 mm (5.1 in) spread across 16 days. Additionally, September has higher humidity at 84%, compared to June's 80%. For a more detailed look at June weather specifics, you can check out Jilin weather in June.
September and July present distinct weather patterns, with July generally being warmer and more humid. In July, temperatures range from a minimum of 12°C (54°F) to a maximum of 35°C (95°F), with an average of 24°C (76°F), whereas September sees a cooler temperature range from 2°C (36°F) to 30°C (86°F), averaging 16°C (62°F). Precipitation is also more substantial in July, totaling 176 mm (6.9 in) over 13 days compared to September’s 132 mm (5.2 in) across 10 days. Humidity remains high in both months, peaking at 87% in July and 84% in September. For more details on July weather, refer to Jilin weather in July.
In August, the weather is characterized by warmer temperatures, with a minimum of 5°C (42°F), an average of 22°C (72°F), and a maximum of 36°C (98°F). However, it also sees significant precipitation, totaling 213 mm (8.4 in) over 18 days, and high humidity levels at 88%. In contrast, September brings cooler temperatures, with a minimum of 2°C (36°F), an average of 16°C (62°F), and a maximum of 30°C (86°F). While September experiences slightly less precipitation at 132 mm (5.2 in) over 10 days, it maintains a high humidity level of 84%. For a more detailed look at August’s weather patterns, check out Jilin weather in August.
September and October present quite a contrast in weather conditions. In September, temperatures range from a mild minimum of 2°C (36°F) to a warm maximum of 30°C (86°F), with an average of 16°C (62°F). The month experiences considerable rainfall, totaling 132 mm (5.2 in) over 10 days, while humidity remains relatively high at 84%. In contrast, October sees a significant drop in temperatures, with minimums plunging to -6°C (22°F) and an average of 8°C (46°F). Although the maximum temperature is still relatively warm at 28°C (83°F), precipitation is much lighter, totaling only 45 mm (1.8 in) over 6 days, maintaining the same 84% humidity level. For more specific details about weather trends in October, check out Jilin weather in October.
September and November present stark contrasts in weather. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), with an average of 16°C (62°F). This month experiences significant rainfall, with 132 mm (5.2 in) over approximately 10 days, coupled with high humidity at 84%. In contrast, November brings much colder conditions, with temperatures dipping to a minimum of -17°C (2°F) and averaging -2°C (29°F), while the maximum reaches only 16°C (60°F). Precipitation decreases to 40 mm (1.6 in) over 5 days, and humidity drops to 69%. For more details about November's weather, visit Jilin weather in November.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 2°C (36°F) to a pleasant maximum of 30°C (86°F) and an average of 16°C (62°F). The month experiences considerable rainfall, with 132 mm (5.2 in) of precipitation over 10 days, resulting in high humidity levels of 84%. In contrast, December brings a stark change as temperatures plummet, with a minimum of -28°C (-19°F) and a maximum of just 7°C (44°F), averaging -12°C (11°F). Precipitation significantly decreases to only 12 mm (0.5 in) over 3 days, and humidity drops to a drier 65%. For more detailed information on December weather, you can visit Jilin weather in December.
As September rolls into Jilin, the transition from summer to autumn is vividly felt, bringing a delightful shift in temperatures that averages around a comfortable 16°C (62°F). Unlike the sweltering days of summer, where highs often soar above 30°C (86°F), this month's cooler weather beckons residents and travelers alike to embrace outdoor activities. However, with 132 mm (5.2 in) of precipitation over approximately 10 days, it's wise to keep an umbrella handy as cloudier skies occasionally break the calm. The noteworthy humidity level of 84% adds a hint of dampness to the air, distinguishing September’s weather from the more arid summer months. As you experience the enchanting change in scenery and climate, dive deeper into the intricacies of this region's weather by visiting Jilin Climate.