September Weather in Xixi, China

Last updated: August 21, 2025

September in Xixi, China presents a warm and humid climate, with average temperatures around 25°C (77°F). Daytime highs can soar to a sweltering 36°C (98°F), while the nights offer a cooler respite, dipping to a comfortable 13°C (56°F). This month also sees approximately 131 mm (5.1 in) of precipitation spread over 14 rainy days, contributing to the region's lush scenery. With humidity levels averaging 78%, visitors should be prepared for a sticky, tropical ambiance as they explore the enchanting landscapes of Xixi.

September Temperature in Xixi

In September, Xixi, China experiences a delightful transition as temperatures begin to cool after the sweltering summer months. With a minimum temperature of 13°C (56°F) and an average of 25°C (77°F), the region is pleasantly warm yet offers a refreshing escape from the heat. The maximum temperature can still reach 36°C (98°F), reflecting lingering summer vibes, but the overall trend points towards a gradual decline in heat. As the month progresses, this shift signals the approach of autumn, inviting visitors to enjoy the scenic beauty of Xixi while basking in comfortable weather perfect for outdoor exploration.

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

The chart illustrates September temperature patterns in Xixi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xixi, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464855637076818177675949
Data source: Temperature data for Xixi 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 Xixi

In September, Xixi, China experiences a notable transition in weather patterns, with precipitation amounting to 131 mm (5.1 in) over 14 days of rain. This marks a decrease from the peak rainfall of June (332 mm) and the sustained downpours of July and August, where heavy rain was common. As the region begins to cool, September’s rainfall is more moderate yet significant, signaling a gradual shift towards drier months. This trend highlights Xixi's characteristic late-summer monsoon season giving way to the gentle autumn rains, paving the way for October's further decline in precipitation.

September Precipitation Trends in Xixi

The chart displays monthly precipitation patterns in Xixi, 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 Xixi, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5168120117223332262223131887746
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xixi

In Xixi, China, September marks a noticeable decline in humidity, dropping to 78% after the peak summer months. This decrease offers a brief respite from the oppressive dampness that characterizes the preceding months, where humidity reached as high as 91% in July. As autumn approaches, the more comfortable September conditions reflect a gradual transition from the sultry summer air, hinting at the approaching seasonal change. Interestingly, the humidity in September is still elevated compared to the drier months in the winter, indicating that while the summer's heavy air is fading, Xixi retains its lush and humid character throughout the year.

September Average Humidity in Xixi

This chart illustrates the average monthly humidity levels in Xixi, 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 Xixi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%80%86%88%89%91%88%79%79%80%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xixi

In September, Xixi, China continues to experience a notable UV Index of 11, categorizing it under the extreme exposure range. This trend mirrors the intense summer months, where the UV Index reached its peak at 13 in August. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take protective measures against harmful sun exposure. As we transition into autumn, the UV Index begins to taper off in the coming months, but September remains a month where sun safety should be a top priority. For additional insights on UV levels throughout the year, check out Xixi UV Index.

Maximum UV Index Levels in Xixi for September

The chart shows the monthly maximum UV Index (UVI) for Xixi 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 Xixi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212121311975
Data source: Xixi 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 Xixi

In Xixi, China, September welcomes a vibrant 246 hours of sunshine, marking it as a delightful month nestled between the summer and autumn seasons. This brightness is a continuation of the impressive solar array seen in August, which boasts the year's peak at 295 hours. While the days in September are notably sunny, they also reflect a transition, as daylight gradually diminishes leading into the cooler months of October and November. September's sunshine is emblematic of the region’s pleasant fall weather, with plentiful clear skies that invite outdoor adventures, while still offering a warm farewell to summer's embrace. This seasonal sunlit rhythm suggests that visitors can still bask in abundant daylight before the shorter days of autumn set in.

Monthly Sunshine Duration in Xixi: September Highlighted

The September sunshine duration represents the total number of hours Xixi 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.
JanFebMarAprMayJunJulAugSepOctNovDec167h203h218h250h254h211h273h295h246h219h204h208h
Data source: Xixi September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xixi During September

In September, Xixi, China, sees a moderate chance of sunshine, with approximately 35% likelihood of sunny days. This marks a resurgence compared to the summer months of June and July, which feature notably lower chances of clear skies at just 11% and 9% respectively. As the region transitions from the intense heat of summer, the early autumn month offers a refreshing improvement in sunny weather opportunities, although it still trails behind the sunshine prevalence of the earlier winter and spring months, such as January and December, where chances soar to 52% and 51%. Thus, September strikes a balance, providing a pleasant mix of sunny spells amid the lingering traces of summer.

Percentage of Sunny Days in September in Xixi

The chart illustrates the percentage of sunny days in Xixi 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 Xixi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%36%23%27%13%11%9%18%35%25%38%51%
Data source: Xixi September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xixi in September

As summer begins to fade, September in Xixi, China, offers a gentle transition in daylight duration, with the sun shining for about 12 hours each day. This slight decrease from the peak summer months reflects a broader trend of gradually shortening days, as daylight spans begin to retreat after reaching a high of 13 hours from May through August. Although September still enjoys plenty of sunlight, it signals the onset of autumn, with daylight hours tapering off before the winter months, which typically feature only 10 to 11 hours of daylight. This seasonal shift not only influences the natural landscape but also invites residents to savor the last warm rays of sun before the cooler months set in.

Average Daylight Hours in Xixi for September

The chart illustrates the variation in daylight duration in Xixi throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 33m11h 11m11h 59m12h 50m13h 32m13h 53m13h 42m13h 5m12h 17m11h 28m10h 44m10h 22m
Data source: Xixi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xixi

As September unfolds in Xixi, China, the wind embraces a gentle rhythm, averaging 1.5 m/s (3 mph). This subtle breeze reflects a transition from the more spirited gusts of July, which recorded a peak of 1.9 m/s, to a calm that lingers in the air. Throughout the year, wind speeds demonstrate a fluctuating pattern, with January and December holding steady at 1.8 m/s, creating a sense of continuity as seasons shift. Notably, the summer months tend to invigorate with slightly higher speeds, while late spring sees its most tranquil days. As autumn begins, September's mild winds hint at the approach of cooler weather, offering a serene backdrop to the beauty of Xixi's landscapes.

Average September Wind Speed in Xixi

The chart displays monthly wind speed patterns in Xixi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.61.61.51.41.21.91.41.5 m/s1.81.71.8
Data source: Xixi September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xixi Compares to Other Months

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

In September, the weather is characterized by warm temperatures with a minimum of 13°C (56°F) and an average of 25°C (77°F), peaking at a hot 36°C (98°F). This month also sees significant rainfall, averaging 131 mm (5.1 in) over 14 days, coupled with high humidity levels at 78%. In stark contrast, January presents a much cooler climate, with temperatures ranging from a low of -6°C (22°F) to a mild maximum of 23°C (74°F), resulting in an average of just 8°C (47°F). Precipitation decreases notably to 51 mm (2.0 in) across 8 days and the humidity drops to 68%. For more details about the weather in Xixi during January, check out Xixi weather in January.

September and February present stark contrasts in weather conditions. September sees temperatures ranging from a mild 13°C (56°F) to a scorching 36°C (98°F), accompanied by significant precipitation of 131 mm (5.1 in) spread over 14 days, creating a humid atmosphere with a humidity level of 78%. In contrast, February experiences much cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 28°C (83°F), along with lower rainfall of 68 mm (2.7 in) over just 9 days, resulting in a less humid environment at 73%. For more details regarding the weather in February, you can refer to Xixi weather in February.

September and March present distinct weather patterns, highlighting the transition between seasons. In September, temperatures range from a minimum of 13°C (56°F) to a sweltering maximum of 36°C (98°F), with an average of 25°C (77°F). The month is characterized by substantial rainfall, measuring 131 mm (5.1 in) over 14 days, and the humidity tends to be high at 78%. In contrast, March experiences cooler temperatures, beginning at a minimum of 1°C (34°F) and peaking at 30°C (86°F), with an average of 13°C (56°F). It sees slightly less precipitation at 120 mm (4.7 in) over 15 days, and humidity remains relatively high at 80%. For more specific details on March weather, you can refer to Xixi weather in March.

In comparing the weather of September and April, September tends to be much warmer, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), while April sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 33°C (92°F). Both months experience a similar number of rainy days, with September receiving 131 mm (5.1 in) of precipitation and April slightly less at 117 mm (4.6 in). Interestingly, April has a higher humidity level at 86% compared to September's 78%, indicating a more humid atmosphere despite the cooler temperatures. For more information, check out Xixi weather in April.

September and May exhibit distinct weather patterns, with September generally feeling warmer and more humid. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), with an average of 25°C (77°F) and a humidity level of 78%. The month also sees significant rainfall, totaling 131 mm (5.1 in) over 14 days. In contrast, May has slightly cooler temperatures, with a minimum of 8°C (47°F) and an average of 21°C (71°F), though it can still reach up to 37°C (99°F). Precipitation is higher in May, with 223 mm (8.8 in) falling over 17 days and a heightened humidity of 88%. For more detailed insights into May's weather, check out Xixi weather in May.

In comparing the weather of September and June, both months exhibit similar maximum temperatures, reaching up to 36°C (98°F) in September and 36°C (97°F) in June. However, September tends to have slightly more comfortable average temperatures, with an average of 25°C (77°F) compared to June's 24°C (76°F). Precipitation levels differ significantly, as June experiences much more rainfall at 332 mm (13.1 in) over 22 days, while September receives only 131 mm (5.1 in) over 14 days, making September drier. Additionally, humidity is higher in June at 89%, compared to 78% in September. For more details on June weather patterns, you can check Xixi weather in June.

In comparing the weather of September and July, a few key differences stand out. September typically experiences a more moderate temperature range with minimums around 13°C (56°F) and maximums reaching up to 36°C (98°F), averaging at 25°C (77°F). In contrast, July is generally hotter, with minimum temperatures starting at 22°C (71°F) and maximums peaking at 38°C (100°F), averaging 27°C (82°F). Additionally, July sees significantly higher precipitation, totaling 262 mm (10.3 in) over 21 days, compared to September's 131 mm (5.1 in) over 14 days. The humidity levels are also higher in July at 91%, compared to September's 78%. For more details on July weather, you can refer to Xixi weather in July.

In September, the weather experiences a noticeable shift compared to August. While both months peak at a maximum temperature of 36°C (98°F), September offers a more comfortable average temperature of 25°C (77°F), significantly lower than August's average of 27°C (82°F). Humidity also decreases in September to 78%, down from August's higher level of 88%. Additionally, September sees less rainfall, with 131 mm (5.1 in) over 14 days, compared to August's 223 mm (8.8 in) across 22 days. For more detailed information, you can refer to Xixi weather in August.

September experiences warmer temperatures, with a minimum of 13°C (56°F) and an average high of 36°C (98°F), contrasted with October’s cooler minimum of 7°C (44°F) and a lower average maximum of 34°C (94°F). While September sees more rainfall, totaling 131 mm (5.1 in) over 14 days, October has less precipitation at 88 mm (3.5 in) across 9 days. Both months exhibit high humidity, with October slightly higher at 79% compared to September's 78%. For more detailed insights on October weather, you may refer to Xixi weather in October.

September and November exhibit significant differences in weather patterns. In September, temperatures range from a mild 13°C (56°F) at night to a scorching maximum of 36°C (98°F) during the day, with an average of 25°C (77°F). The month experiences considerable rainfall, with 131 mm (5.1 in) spread over 14 days and a humidity level of 78%. In contrast, November brings much cooler temperatures, with a minimum of 1°C (34°F) and an average of 15°C (59°F), peaking at a maximum of 31°C (88°F). Rainfall decreases to 76 mm (3.0 in) over 11 days, while humidity slightly rises to 80%. For more detailed information, check Xixi weather in November.

In September, the weather is characterized by warm temperatures with a minimum of 13°C (56°F), an average of 25°C (77°F), and a maximum reaching up to 36°C (98°F). The month experiences significant precipitation, totaling 131 mm (5.1 in) over 14 days, along with a humidity of 78%. In contrast, December brings a notable drop in temperatures, with a minimum of -3°C (28°F), an average of 9°C (49°F), and a maximum of 28°C (82°F). Precipitation is much lower in December, at 46 mm (1.8 in) over just 9 days, and the humidity remains slightly higher at 80%. For more detailed information, you can check Xixi weather in December.

Compare Xixi's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xixi

As September unfolds in Xixi, it brings a unique blend of warmth and humidity that distinguishes it from the preceding summer months. With temperatures peaking at a steamy 36°C and an average that hovers around 25°C, the month still carries the remnants of summer's heat. However, the increased rainfall—totaling 131 mm over 14 days—marks a transition towards the wetter autumn season, creating a lush landscape and a palpable change in the air. The humid conditions, elevated at 78%, contribute to a feel that is both heavy and invigorating. This dynamic weather pattern sets September apart, making it an intriguing time to experience the vibrant climate of the region. For more detailed insights into weather trends, visit Xixi Climate.