September Weather in Baidu, China

Last updated: August 21, 2025

In September, Baidu, China experiences a dynamic climate, with maximum temperatures soaring to a sizzling 38°C (101°F) and an average warmth of 28°C (82°F). As the month progresses, temperatures can dip to a comfortable minimum of 17°C (64°F). Amidst this warmth, precipitation plays a significant role, contributing a total of 105 mm (4.1 in) over 14 days, which enhances the area's lush scenery. With an average humidity level of 61%, the atmosphere can feel quite muggy, adding to the vibrant, yet occasionally damp, September experience for residents and visitors alike.

September Temperature in Baidu

In September, Baidu experiences a delightful transition from the sweltering summer months to a more temperate climate. With minimum temperatures rising to 17°C (64°F) and averaging around 28°C (82°F), this month strikes a perfect balance for outdoor activities. The maximum temperatures reach up to 38°C (101°F), indicating that the late summer heat still lingers, but the evenings begin to cool down, heralding the arrival of autumn. This gentle shift in temperature not only provides a refreshing break from the peak summer heat but also sets the stage for the vibrant hues of fall, making September a truly enchanting time to explore the city.

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

The chart illustrates September temperature patterns in Baidu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Baidu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec575865707781848382756758
Data source: Temperature data for Baidu 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 Baidu

In September, Baidu, China experiences a noticeable shift in its precipitation patterns, receiving 105 mm (4.1 in) of rainfall across 14 days. This marks a decline from the wetter summer months, particularly August, which recorded 192 mm (7.6 in). The transition into autumn is evident as rainfall decreases, but September still holds onto a substantial amount compared to earlier months; July, for example, saw only 114 mm (4.5 in) despite having more rainy days. The overall trend indicates a gradual tapering of precipitation as the region prepares for the drier months ahead, with October forecasted to bring just 37 mm (1.4 in) over a mere 7 days. This pattern reflects the shifting climatic conditions as Baidu moves from the lushness of summer towards the more arid autumn season.

September Precipitation Trends in Baidu

The chart displays monthly precipitation patterns in Baidu, 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 Baidu, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3461125137196285114192105373221
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Baidu

In Baidu, China, September brings a noticeable shift in humidity levels, dropping significantly to 61% after the peak summer months. This decline marks a transition from the high humidity of July and August, which recorded 87% and 84% respectively. Following this summer peak, September's drier atmosphere paves the way for the forthcoming cooler months, where humidity slightly rebounds to 62% in October. The overall trend reveals a seasonal rhythm, with the highest humidity typically occurring in the summer and gradually giving way to a drier autumn. This change not only impacts the local climate but also influences daily life and outdoor activities in the region.

September Average Humidity in Baidu

This chart illustrates the average monthly humidity levels in Baidu, 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 Baidu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%70%77%76%85%80%87%84%61%62%67%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Baidu

As September rolls in Baidu, China, the UV Index remains notably high at 12, categorizing the exposure risk as extreme. This trend follows a summer of consistent high levels, peaking at 14 during August. Interestingly, the burn time remains critically short at just 10 minutes, emphasizing the importance of sun protection. Throughout the year, the UV Index displays a clear pattern of increasing intensity from January's moderate 7 to the extremes observed in mid-summer, before slightly dipping in October and November. With these growing UV levels, staying informed is essential for safeguarding skin health. For more detailed insights, check the Baidu UV Index.

Maximum UV Index Levels in Baidu for September

The chart shows the monthly maximum UV Index (UVI) for Baidu 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 Baidu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213131314121097
Data source: Baidu 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 Baidu

As the year progresses, September in Baidu, China, shines brightly with an impressive 279 hours of sunshine, continuing a strong trend from the summer months. This peak follows an exhilarating July, which recorded the highest sunshine at 304 hours, creating a sun-soaked backdrop for leisurely outdoor activities. Although August slightly dipped to 291 hours, September maintains a robust brightness that signals the lingering warmth of summer before transitioning into the cooler autumn days. The overall trend shows a distinct seasonal pattern, with the sunniest months peaking from late spring through early fall, making September a delightful time for sun enthusiasts to bask in the remaining rays of summer.

Monthly Sunshine Duration in Baidu: September Highlighted

The September sunshine duration represents the total number of hours Baidu 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.
JanFebMarAprMayJunJulAugSepOctNovDec205h221h232h229h274h226h304h291h279h247h240h255h
Data source: Baidu September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Baidu During September

As September rolls around in Baidu, China, the likelihood of sunny weather returns to a promising 58%. This marks a noticeable rebound from the summer months, where the sun shines less frequently, with just 10% in June and 22% in August. Following the drier spring, where April and May exhibited low chances of sunshine, September emerges as a refreshing transition to the more favorable autumn conditions. With October showing a slight dip to 35%, September stands out as a beacon of hope for those looking to bask in the warm rays before the cooler months set in.

Percentage of Sunny Days in September in Baidu

The chart illustrates the percentage of sunny days in Baidu 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 Baidu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec74%58%36%31%19%10%30%22%59%35%55%53%
Data source: Baidu September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Baidu in September

As the seasons shift in Baidu, China, September marks a notable transition echoing the gradual dance of daylight throughout the year. Following a peak in summer with 13 hours of daylight in June and July, September experiences a slight decline, settling at 12 hours. This pattern reflects a predictable rhythm, with daylight hours decreasing after the summer solstice and tapering off into the autumn months. October and November continue this trend with shorter days, ultimately returning to a more consistent 10 hours in the depths of winter. The steady progression of daylight not only shapes the environment but also influences the local culture and lifestyle, as residents adapt to the ebb and flow of natural light.

Average Daylight Hours in Baidu for September

The chart illustrates the variation in daylight duration in Baidu throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 47m11h 19m12h12h 43m13h 18m13h 36m13h 27m12h 56m12h 15m11h 33m10h 57m10h 38m
Data source: Baidu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Baidu

As September gently ushers in the fall season in Baidu, China, the average wind speed mirrors this transition, dropping to 1.3 m/s (3 mph). This marks a notable decrease from the summer months, where winds were slightly breezier, averaging around 1.4 to 1.8 m/s. The trend reveals a gradual decline in wind speeds from the warmer months, with September being the calmest before a slight upswing in October, where speeds return to 2.1 m/s (5 mph). This seasonal fluctuation underscores the serene beauty of early autumn in Baidu, a time when gentle breezes replace the summer's warmth, creating a tranquil atmosphere perfect for enjoying nature's change.

Average September Wind Speed in Baidu

The chart displays monthly wind speed patterns in Baidu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.51.81.51.81.81.71.41.3 m/s2.12.12.0
Data source: Baidu September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Baidu Compares to Other Months

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

September and January present a stark contrast in weather conditions. In September, temperatures range from a minimum of 17°C (64°F) to a scorching maximum of 38°C (101°F), with an average temperature of 28°C (82°F). The month experiences significant rainfall, with 105 mm (4.1 in) of precipitation spread over 14 days and a humidity level of 61%. In contrast, January is much cooler, with temperatures dipping to a minimum of -1°C (30°F) and peaking at 28°C (83°F), averaging 14°C (57°F). The winter month sees less moisture, with only 34 mm (1.3 in) of precipitation over 4 days and a slightly higher humidity of 66%. For more detailed information, you can check Baidu weather in January.

September and February showcase strikingly different weather patterns. September typically features warmer temperatures, with a minimum of 17°C (64°F) and a maximum of 38°C (101°F), contributing to an average of 28°C (82°F). In contrast, February experiences cooler conditions, ranging from a minimum of -1°C (31°F) to a maximum of 29°C (85°F), with an average of 14°C (58°F).

Additionally, September sees higher precipitation levels, totaling 105 mm (4.1 in) over approximately 14 days, whereas February has a lower rainfall of 61 mm (2.4 in) spread across about 9 days. Humidity also varies, being slightly higher in February at 70% compared to September's 61%. For more insights on February weather, you can refer to Baidu weather in February.

In comparing the weather of September and March, September tends to be warmer with average temperatures reaching up to 28°C (82°F), peaking at a scorching 38°C (101°F). In contrast, March is significantly cooler, with average temperatures around 18°C (65°F) and maximums of 33°C (91°F). While September experiences relatively moderate humidity at 61%, March has a higher humidity level of 77%, contributing to a more humid feel despite the cooler temperatures. Additionally, both months see a similar number of rainy days, with September receiving 105 mm (4.1 in) and March slightly more at 125 mm (4.9 in). For more detailed insights on March weather, you can visit Baidu weather in March.

When comparing the weather in September and April, there are notable differences in temperature and humidity. September tends to be warmer, with average highs reaching 28°C (82°F) and maximum temperatures soaring up to 38°C (101°F). In contrast, April has a cooler average of 21°C (71°F), with maximum temperatures peaking at 35°C (95°F). Precipitation levels are also significant, with September receiving 105 mm (4.1 in) over approximately 14 days and April slightly wetter, totaling 137 mm (5.4 in) across 13 days. Humidity is higher in April at 76% compared to September's 61%. For more detailed information on April weather, you can visit Baidu weather in April.

When comparing the weather in September and May, there are notable differences in temperature and humidity. September boasts a higher average temperature of 28°C (82°F) compared to May's 25°C (77°F), but both months can reach a scorching maximum of 38°C (100°F to 101°F). Interestingly, even though September has slightly less precipitation at 105 mm (4.1 in) over 14 days, it is drier than May, which sees a significant 196 mm (7.7 in) over 16 days, contributing to its higher humidity of 85%. For more detailed insights on May weather, check this link: Baidu weather in May.

When comparing the weather in September and June, several notable differences emerge. September generally features a temperature range with a minimum of 17°C (64°F) and a maximum of 38°C (101°F), averaging around 28°C (82°F). In contrast, June has slightly warmer minimum temperatures at 20°C (68°F) and a maximum of 37°C (99°F), with an average of 27°C (81°F). In terms of precipitation, September receives 105 mm (4.1 in) over 14 days, while June sees significantly higher rainfall at 285 mm (11.2 in) across 22 days. The humidity is also higher in June at 80%, compared to September's 61%. For a more detailed look at June weather patterns, you can refer to this link: Baidu weather in June.

In comparing the weather of September and July, we observe that September boasts a more moderate minimum temperature of 17°C (64°F), compared to July's higher minimum of 24°C (75°F). Although the average temperatures are relatively close—28°C (82°F) in September versus 29°C (84°F) in July—July experiences a slightly higher maximum temperature of 39°C (103°F), just surpassing September's peak of 38°C (101°F). When it comes to precipitation, July sees a bit more rain, totaling 114 mm (4.5 in) over 17 days, compared to September’s 105 mm (4.1 in) over 14 days. The humidity levels also highlight the contrast, with July being notably more humid at 87%, while September has a more comfortable 61%. For further details, you can check Baidu weather in July.

In comparing the weather of August and September, there are notable differences. September experiences slightly lower minimum temperatures, averaging 17°C (64°F) compared to August's 23°C (74°F), while the maximum temperatures remain quite similar, with September peaking at 38°C (101°F) and August at 37°C (100°F). Precipitation in September is also significantly less, with 105 mm (4.1 in) over 14 days, contrasting with August's 192 mm (7.6 in) across 21 days, which leads to a noticeable difference in humidity levels—61% in September versus a high 84% in August. For more details, you can visit Baidu weather in August.

September weather tends to be hotter, with average temperatures reaching 28°C (82°F) and maximums soaring up to 38°C (101°F). The month also sees significant rainfall, totaling 105 mm (4.1 in) over 14 days, contributing to a relatively high humidity of 61%. In contrast, October experiences a more comfortable climate, characterized by a lower average temperature of 24°C (75°F) and a maximum of 36°C (98°F). Rainfall decreases significantly to 37 mm (1.4 in) over just 7 days, while humidity remains similar at 62%. For more detailed October weather information, you can visit Baidu weather in October.

September often brings sweltering heat, with average temperatures around 28°C (82°F) and highs reaching up to 38°C (101°F). The month is characterized by high humidity at 61% and significant rainfall, totaling 105 mm (4.1 in) over about 14 days. In contrast, November experiences a noticeable cool-down, with average temperatures dropping to 19°C (67°F) and daily highs around 31°C (87°F). Precipitation drops significantly to 32 mm (1.2 in) over just 6 days, and while humidity rises slightly to 67%, the overall climate feels much more comfortable. For more detailed weather information, you can check Baidu weather in November.

September and December present stark differences in weather conditions. In September, temperatures soar with a minimum of 17°C (64°F), averaging around 28°C (82°F), and peaking at a scorching 38°C (101°F). The month is also marked by significant precipitation, receiving 105 mm (4.1 in) over 14 days, contributing to a humidity level of 61%. In contrast, December features much cooler temperatures, with a minimum of 3°C (38°F) and an average of 14°C (58°F), rising to a maximum of 30°C (86°F). The month sees considerably less rainfall, with only 21 mm (0.8 in) over just 4 days and a higher humidity level of 74%. For more details, check the Baidu weather in December.

Compare Baidu's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Baidu

As September rolls in, Baidu’s weather begins to shift noticeably from the scorching summer months. While still basking in warmth, with average temperatures hovering around a comfortable 28°C (82°F), the intense summer peak gives way to milder days and cooler nights, marking a refreshing transition with minimum temperatures dropping to a pleasant 17°C (64°F). Additionally, the month sees an increase in precipitation, with rainy days contributing to a total of 105 mm (4.1 in), fostering a lush environment as humidity levels settle around 61%. This change not only offers respite from the relentless heat but also sets the stage for the vibrant colors of autumn, making September a delightful time to experience the beauty of Baidu. For more insights into the region's climate patterns, visit Baidu Climate.