September Weather in Tianfu, China

Last updated: August 21, 2025

September in Tianfu, China marks the transition between summer and autumn, showcasing a delightful mix of weather conditions. With maximum temperatures reaching 32°C (89°F) and an average of 22°C (72°F), the days remain warm, while the evenings bring a refreshing chill with lows dipping to 8°C (47°F). The month experiences around 73 mm (2.9 in) of precipitation spread over 6 days, contributing to the region's lush landscape. Coupled with a humidity level of 74%, September offers a unique blend of warmth and moisture, perfect for enjoying the vibrant natural scenery that Tianfu has to offer.

September Temperature in Tianfu

September in Tianfu, China, marks a delightful transition as summer's heat begins to wane. With minimum temperatures averaging a mild 8°C (47°F) and averages soaring to 22°C (72°F), the month offers a comfortable reprieve from the sweltering summer, making it an ideal time for outdoor activities. The maximum temperatures can still reach up to 32°C (89°F), showcasing a lingering warmth reminiscent of August, yet the crispness in the air suggests that fall is on the horizon. Overall, September presents a perfect blend of warmth and coolness, encouraging residents and visitors alike to fully enjoy the rich, vibrant landscape of this region as it prepares for the changes ahead.

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

The chart illustrates September temperature patterns in Tianfu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tianfu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec313444556573798072594835
Data source: Temperature data for Tianfu 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 Tianfu

September brings a distinctive transition in Tianfu, China, as the summer rains begin to taper off. With 73 mm (2.9 in) of precipitation over 6 days, this month marks a noticeable decrease compared to the peak of July and August, which averaged around 145 mm (5.7 in) and 124 mm (4.9 in), respectively. The early autumn showers contribute to a gradual shift in the climate, fostering a gentle environment as temperatures cool. This rainfall is crucial for nourishing the region's flora and sets the stage for the drier months ahead, reminding us of the cyclic nature of Tianfu's weather patterns.

September Precipitation Trends in Tianfu

The chart displays monthly precipitation patterns in Tianfu, 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 Tianfu, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15182341526614512473272923
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tianfu

In Tianfu, China, September ushers in a notable transition in humidity levels, dropping to 74% after the peak summer months. Following July's high of 93% and August's 91%, September's humidity marks a refreshing shift, offering a reprieve from the intense summer mugginess. The prevailing trend showcases a gradual decrease from the mid-year highs, hinting at the impending approach of autumn. As temperatures cool, this decline brings a more comfortable atmosphere, setting the stage for a season filled with vibrant foliage and delightful outdoor experiences. Overall, September's humidity reflects a balanced blend of summer's warmth and the crispness of fall, making it a unique month in Tianfu's climatic calendar.

September Average Humidity in Tianfu

This chart illustrates the average monthly humidity levels in Tianfu, 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 Tianfu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%62%69%81%82%86%93%91%74%72%71%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tianfu

In September, Tianfu experiences a very high UV Index of 8, making sun protection essential for outdoor activities; with a burn time of just 15 minutes, it's crucial to be mindful of exposure. This month signals a slight decrease from the scorching extremes of July and August, where the UV Index soared to 11. As summer wanes, the UV Index remains elevated, continuing the trend of increasing intensity from the earlier months of the year, with notable peaks in April and May at 9. For sunseekers and outdoor enthusiasts alike, staying informed about these changes is vital to ensure safety while enjoying the beautiful Chinese landscape. For more details on UV levels impacting your health, visit Tianfu UV Index.

Maximum UV Index Levels in Tianfu for September

The chart shows the monthly maximum UV Index (UVI) for Tianfu 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 Tianfu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991011118743
Data source: Tianfu 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 Tianfu

In September, Tianfu, China experiences a gentle transition from the summer months, basking in an impressive 283 hours of sunshine. This marks a slight decline from the sun-drenched peak of 332 hours in July, yet it still holds its own in brightness, supporting the vibrant culture and outdoor activities cherished by locals. As autumn sets in, sunlight gradually gives way to cooler temperatures, with hours steadily decreasing as the year progresses. Notably, September remains a part of a sunlit continuum that began in spring, highlighting the region's favorable climate. With a consistent rhythm of sunshine in the preceding months, the landscape is aglow, setting the stage for the unfolding beauty of fall.

Monthly Sunshine Duration in Tianfu: September Highlighted

The September sunshine duration represents the total number of hours Tianfu 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h241h286h293h321h320h332h313h283h266h233h224h
Data source: Tianfu September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tianfu During September

In Tianfu, China, September sees a 43% chance of sunny weather, a slight dip from the preceding months of summer. This trend reflects a gradual transition as the days begin to cool, with sunshine becoming less frequent compared to the summer peak in July, which has the lowest likelihood of sun at just 29%. However, as the seasons shift into autumn, the likelihood of clear skies gradually improves again, with October boasting a 41% chance and November rising to a more promising 57%. Overall, while September may present a moderately sunny outlook, it offers a glimpse of the brighter days ahead as fall ushers in more favorable weather patterns.

Percentage of Sunny Days in September in Tianfu

The chart illustrates the percentage of sunny days in Tianfu 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 Tianfu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%54%48%45%52%39%29%42%43%41%57%56%
Data source: Tianfu September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tianfu in September

In Tianfu, China, the September daylight duration marks a gentle transition as summer wanes, offering 12 hours of sunlight. This month follows the peak summer days of July and August, which basked in 14 hours of daylight, showcasing a vibrant period for outdoor activities. As autumn approaches, daylight begins to wane once more, evidenced by a gradual decline leading into October with 11 hours of sunlight. This trend underscores a rhythmic pattern in Tianfu’s daylight cycle where longer days of spring and summer give way to the shorter days of fall and winter, creating a vivid tapestry of seasonal change throughout the year.

Average Daylight Hours in Tianfu for September

The chart illustrates the variation in daylight duration in Tianfu throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 47m11h 57m13h 9m14h 9m14h 40m14h 25m13h 32m12h 23m11h 12m10h 9m9h 37m
Data source: Tianfu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tianfu

As September arrives in Tianfu, China, the wind begins to pick up ever so slightly, averaging 3.2 m/s (7 mph). This marks a subtle increase from the stagnant breezes of August, which often slow to 2.5 m/s (6 mph), reflecting the warming transition toward autumn. Notably, the wind speed throughout the year generally fluctuates between 3.3 m/s and 4.1 m/s, with the most vigorous gusts occurring in the early months. The gentle stirrings of September capture a moment of calm before the winds gather strength in October, hinting at the seasonal shifts that define the region's dynamic climate.

Average September Wind Speed in Tianfu

The chart displays monthly wind speed patterns in Tianfu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.13.63.94.03.43.32.53.2 m/s3.33.63.8
Data source: Tianfu September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tianfu Compares to Other Months

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

September and January offer strikingly different weather conditions. In September, temperatures range from a mild minimum of 8°C (47°F) to a warm maximum of 32°C (89°F), with an average of 22°C (72°F). The month sees a moderate level of precipitation at 73 mm (2.9 in) over about 6 days, accompanied by a humidity level of 74%. In contrast, January presents a much colder climate, with temperatures dropping to a minimum of -12°C (11°F) and only reaching a maximum of 11°C (52°F), averaging around -1°C (31°F). Moreover, January has significantly less precipitation, totaling only 15 mm (0.6 in) across just 2 days, and features lower humidity at 65%. For additional insights on January weather, you can visit Tianfu weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a mild 8°C (47°F) to a warm 32°C (89°F), with an average of 22°C (72°F), and the month sees about 73 mm (2.9 in) of precipitation over roughly 6 days, contributing to a relatively high humidity level of 74%. In contrast, February experiences much colder temperatures, with a minimum of -14°C (8°F) and a maximum of 24°C (75°F), giving it an average of just 1°C (34°F). Precipitation during this month is significantly lower at 18 mm (0.7 in) over only 3 days, along with a humidity level of 62%. For more detailed information on February weather in Tianfu, you can check this link: Tianfu weather in February.

September and March present quite a contrast in weather conditions. In September, temperatures range from a mild 8°C (47°F) at night to a warm 32°C (89°F) during the day, with an average of 22°C (72°F). The month experiences higher humidity at 74% and sees about 73 mm (2.9 in) of rainfall over six days. In stark contrast, March features much cooler temperatures, with nighttime lows dipping to -6°C (22°F) and daytime highs peaking at 23°C (74°F), averaging just 7°C (45°F). Precipitation is also less frequent in March, totaling only 23 mm (0.9 in) over three days, with humidity slightly lower at 69%. For more details, check out Tianfu weather in March.

September and April exhibit contrasting weather patterns that reflect the transition between seasons. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (89°F), with an average of 22°C (72°F), showcasing a warmer climate as summer begins to wane. The month experiences 73 mm (2.9 in) of precipitation over about 6 days, coupled with a humidity level of 74%. Conversely, April marks the arrival of spring with cooler temperatures, where it ranges from a chilly -2°C (29°F) at night to a comfortable 32°C (89°F) at its peak, averaging 13°C (55°F). The precipitation in April is lighter at 40 mm (1.6 in) spread over 4 days, and humidity rises slightly to 81%. This makes April cooler and wetter, making the transition from winter to warmer months evident. For more details, check Tianfu weather in April.

September and May exhibit distinct weather characteristics that reflect the transition from summer to autumn and spring to summer, respectively. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (89°F), with an average of 22°C (72°F). This month also sees about 73 mm (2.9 in) of precipitation over six days, accompanied by a humidity level of 74%. In contrast, May features slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 38°C (100°F), but it has a lower average temperature of 18°C (66°F). May has less rainfall, totaling 52 mm (2.0 in) over the same number of days, but a higher humidity level at 82%. For more details about the weather during May, you can check Tianfu weather in May.

In comparing the weather between September and June, we see a slight variation in temperatures and humidity levels. September experiences a minimum temperature of 8°C (47°F) and an average temperature of 22°C (72°F), peaking at 32°C (89°F), while June shows slightly warmer conditions with a minimum of 11°C (53°F), an average of 23°C (73°F), and a maximum reaching 35°C (95°F). Both months see about six days of precipitation, but September has slightly higher rainfall at 73 mm (2.9 in) compared to June's 66 mm (2.6 in), which may contribute to June's higher humidity of 86% versus September's 74%. For more specific insights on June weather, you can refer to this link: Tianfu weather in June.

September generally features milder temperatures compared to the sweltering heat of July. In September, the average temperature is a comfortable 22°C (72°F), with a minimum of 8°C (47°F) and a maximum reaching up to 32°C (89°F). In contrast, July experiences higher temperatures, with an average of 26°C (79°F) and peaks at 36°C (97°F). Additionally, July is characterized by significantly more rainfall, totaling 145 mm (5.7 in) over about 12 days, while September sees a reduction in precipitation to 73 mm (2.9 in) across just 6 days. Humidity levels are also higher in July at 93%, compared to 74% in September. For more detailed information about July weather, you can visit Tianfu weather in July.

In comparing the weather between August and September, we see a notable shift in temperature and precipitation patterns. August experiences warmer temperatures, with a minimum of 17°C (63°F) and an average of 27°C (80°F), peaking at a scorching 37°C (98°F). In contrast, September cools down significantly, with temperatures ranging from a minimum of 8°C (47°F) to an average of 22°C (72°F) and a maximum of 32°C (89°F). Additionally, September sees less rainfall than August, with 73 mm (2.9 in) of precipitation over just 6 days, compared to August's 124 mm (4.9 in) over 14 days. This decrease in both temperature and humidity—from 91% in August to 74% in September—marks a transition towards a more comfortable autumn climate. For further details, you can refer to Tianfu weather in August.

September brings warm temperatures, with a minimum of 8°C (47°F) and an average high of 32°C (89°F), while enjoying a bit more humidity at 74%. The month experiences a moderate amount of precipitation, totaling 73 mm (2.9 in) over about 6 days. In contrast, October sees a notable drop in average temperatures, with minimums dropping to 3°C (37°F) and an average high around 31°C (88°F). Additionally, October is characterized by significantly less rainfall, receiving only 27 mm (1.1 in) across just 3 days, making it a drier month overall. For more details, check out Tianfu weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a mild minimum of 8°C (47°F) to an average of 22°C (72°F) and a maximum of 32°C (89°F), accompanied by relatively high humidity at 74% and 73 mm of precipitation over about 6 days. In stark contrast, November brings cooler conditions with minimum temperatures plunging to -5°C (23°F) and an average of 9°C (48°F), peaking at 26°C (79°F). The month experiences less rainfall, totaling just 29 mm (1.1 in) over 4 days, and slightly lower humidity at 71%. For more insights into November weather, you can check this link: Tianfu weather in November.

September and December exhibit markedly different weather characteristics. In September, temperatures range from a cool 8°C (47°F) at night to a warm 32°C (89°F) during the day, with an average of 22°C (72°F). This month also experiences higher humidity at 74% and sees about 73 mm (2.9 in) of precipitation over six days. In contrast, December brings much colder weather, with temperatures plummeting to a minimum of -10°C (15°F) and a maximum of 15°C (58°F), averaging just 2°C (35°F). Despite the drop in temperature, December has less precipitation at 23 mm (0.9 in) over five days and slightly lower humidity at 69%. For more details on December weather, you can visit Tianfu weather in December.

Compare Tianfu's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tianfu

September in Tianfu presents a gentle transition from the sweltering heat of summer to more comfortable autumn temperatures. With average highs around 22°C, the days are warm yet inviting, while the cooler evenings provide a refreshing respite. This month typically sees a modest amount of precipitation, spread over just a handful of days, which helps maintain the lush greenery without overwhelming rainfall. The humidity remains relatively high, contributing to a feeling of freshness in the air. As September progresses, the weather notably shifts, offering a more temperate climate ideal for outdoor activities and exploring the beauty of the region. For a deeper understanding of how this month fits into the overall climate pattern, visit Tianfu Climate.