September Weather in Xiapu, China

Last updated: August 21, 2025

September in Xiapu, China is characterized by a warm climate, with maximum temperatures reaching up to 32°C (90°F) and an average of 26°C (79°F). Nights remain comfortably mild, with minimum temperatures of 21°C (70°F). This month also sees significant precipitation, totaling 156 mm (6.1 in) over 14 rainy days, contributing to a humidity level of 78%. As nature flourishes under these conditions, visitors can experience the lush landscapes and vibrant local culture amidst the gentle challenges of the weather.

September Temperature in Xiapu

In Xiapu, China, September marks the transition towards cooler autumn days, with temperatures reflecting a comfortable average of 26°C (79°F). As summer's warmth lingers, the month begins with minimums around 21°C (70°F) and peaks at a steamy 32°C (90°F), maintaining the vibrant energy of the season. This gradual cooling trend from the sweltering heat of July and August signals a shift, as the region prepares for the more temperate weather of October. Travelers can enjoy the warm yet pleasant evenings, making it an ideal time to explore the picturesque landscapes and cultural sites before the chill of winter sets in.

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

The chart illustrates September temperature patterns in Xiapu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xiapu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec474753616975828479716352
Data source: Temperature data for Xiapu 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 Xiapu

September in Xiapu, China continues the trend of significant precipitation that builds throughout the summer months. With an impressive total of 156 mm (6.1 in) of rainfall over 14 days, September slightly outpaces August, mirroring the seasonal peak that typically occurs at this time. This month marks a transition as the heavier rains of June (the wettest month with 302 mm) give way to the more moderate yet sustained showers experienced in the fall. As nature prepares for autumn, residents can expect a mix of moist days and clearer skies, sustaining the lush environment characteristic of this coastal region. Overall, September's precipitation underscores a gradual decline from the summer height, yet remains a vital contributor to the area's rich biodiversity.

September Precipitation Trends in Xiapu

The chart displays monthly precipitation patterns in Xiapu, 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 Xiapu, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6974108881823021741531561356873
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xiapu

September in Xiapu, China, marks a notable shift in humidity as it typically registers around 78%, a decline from the peak summer months but still indicative of the region's overall moisture levels. Following a gradual upward trend from 68% in January to a summer high of 91% in July, the humidity starts to recede in September, reflecting the transition into autumn. While the humidity remains relatively high compared to the cooler months, the drop from the August average of 88% suggests a gradual easing in the oppressive summer heat. This decrease prepares residents and visitors alike for the milder conditions that October brings, which maintains a humidity level of 79%.

September Average Humidity in Xiapu

This chart illustrates the average monthly humidity levels in Xiapu, 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 Xiapu 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 Xiapu

In September, Xiapu, China, experiences a very high UV Index of 10, signaling that sun protection is crucial during this month, with a burn time of just 15 minutes for unprotected skin. This follows a summer of extreme UV levels, peaking at 12 in July and August, where sunburn could occur in less than 10 minutes! As the seasons transition into October, the UV Index drops to 8, marking a slight relief but still classified as very high. Overall, these trends highlight the importance of being sun-smart as UV levels remain significant even as the summer fades. For more detailed data, explore the Xiapu UV Index.

Maximum UV Index Levels in Xiapu for September

The chart shows the monthly maximum UV Index (UVI) for Xiapu 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 Xiapu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101112121210865
Data source: Xiapu 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 Xiapu

September in Xiapu, China, continues the vibrant trend of radiant sunshine, contributing 265 hours of daylight to the month's charm. This marks a notable decline from the sun-soaked peak of 321 hours in August, yet it still holds on to a generous amount of sunny hours as summer transitions into autumn. The pattern reveals a gradual decrease in daylight hours as the year progresses, with January starting off with a modest 150 hours. As the seasons shift, Xiapu enjoys a delightful variety of sunshine, peaking in the warmer months and gracefully tapering down into the cooler fall and winter seasons. This rhythm of sunlight provides a consistent backdrop to the region’s stunning landscapes, making every visit a bright escape.

Monthly Sunshine Duration in Xiapu: September Highlighted

The September sunshine duration represents the total number of hours Xiapu 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.
JanFebMarAprMayJunJulAugSepOctNovDec150h208h237h265h287h259h298h321h265h246h216h201h
Data source: Xiapu September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xiapu During September

In Xiapu, China, the likelihood of sunny weather sees a notable shift as summer gives way to autumn. By September, this coastal town experiences a 46% chance of sunshine, marking a significant increase from the dreary days of July and June, where the probabilities plummet to 15% and 20% respectively. This improvement signals the start of a trend toward clearer skies, as the sun shines more frequently than in the preceding months. However, while September offers a welcomed uplift in sunny days, October and November continue to sustain a robust average of 40% and 45%, respectively. As the year winds down, Xiapu's weather patterns hint at a promising blend of warmth and brightness, creating opportunities for outdoor exploration and enjoyment.

Percentage of Sunny Days in September in Xiapu

The chart illustrates the percentage of sunny days in Xiapu 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 Xiapu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%40%28%35%24%20%15%31%46%40%45%54%
Data source: Xiapu September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xiapu in September

As summer transitions to autumn in Xiapu, China, September brings a gentle shift in daylight, offering approximately 12 hours of sunlight each day. This slight decrease from the peak of 14 hours in June reflects the gradual shortening of days that characterizes the region's seasonal rhythm. Following the long, sunlit days of summer, September maintains a healthy balance of light, paving the way for the cozy embrace of fall. As daylight dwindles into October, the cycle continues, showcasing the beauty of nature's ebb and flow.

Average Daylight Hours in Xiapu for September

The chart illustrates the variation in daylight duration in Xiapu throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 26m11h 6m11h 59m12h 53m13h 39m14h 2m13h 50m13h 10m12h 19m11h 24m10h 37m10h 13m
Data source: Xiapu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xiapu

In September, Xiapu, China experiences a gentle breeze with an average wind speed of 4.8 m/s (11 mph), slightly above the summer lull characterized by August's winds. This month marks a transition where the winds begin to pick up again, paving the way for the more vigorous gusts of October. As the year progresses, noticeable trends emerge: July tops the charts with a robust 6.6 m/s (15 mph), while the early months of the year (January through April) show consistently lower speeds, averaging around 4.2 to 5.2 m/s. With September's moderate winds, it becomes an ideal time for outdoor activities, blending the warmth of late summer with the crisp promise of autumn ahead.

Average September Wind Speed in Xiapu

The chart displays monthly wind speed patterns in Xiapu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.24.54.54.24.73.86.64.74.8 m/s5.34.94.5
Data source: Xiapu September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xiapu Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). The month is quite humid, featuring an average humidity of 78% and substantial rainfall, totaling 156 mm (6.1 in) over about 14 days. In contrast, January experiences much cooler temperatures, with a minimum of -3°C (26°F), an average of 8°C (47°F), and a maximum of 18°C (65°F). Precipitation is significantly lower at 69 mm (2.7 in) over 9 days, and the humidity is somewhat reduced at 68%. For a detailed look at the weather specifics in January, visit Xiapu weather in January.

September and February present contrasting weather conditions. In September, temperatures are much warmer, with a minimum of 21°C (70°F) and an average high of 32°C (90°F), making it one of the warmer months. This period also sees significant rainfall, totaling 156 mm (6.1 in) over approximately 14 days, coupled with a high humidity level of 78%. On the other hand, February offers a much cooler climate, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 20°C (67°F). Precipitation is lighter during this month, averaging 74 mm (2.9 in) over 11 days, and the humidity remains relatively low at 73%. For those interested in more details, check out Xiapu weather in February.

September and March present contrasting weather patterns. In September, temperatures are typically warmer, ranging from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). This month also sees significant rainfall, with 156 mm (6.1 in) recorded over 14 days. The humidity level hovers around 78%, contributing to a humid atmosphere. In contrast, March features much cooler temperatures, with a minimum of 5°C (41°F), an average of 12°C (54°F), and a maximum of 21°C (69°F). Although it experiences slightly less precipitation at 108 mm (4.3 in) also over 14 days, the humidity remains relatively high at 80%. For those interested in more details about March weather, you can check Xiapu weather in March.

September and April exhibit distinctly different weather characteristics. In September, temperatures range from a minimum of 21°C (70°F) to a high of 32°C (90°F), with an average of 26°C (79°F). The month is quite humid, with an average humidity of 78% and significant rainfall totaling 156 mm (6.1 in) over about 14 days. In contrast, April sees much cooler temperatures, from a minimum of 10°C (50°F) to a maximum of 24°C (76°F), with an average temperature of 16°C (61°F). It experiences lower precipitation at 88 mm (3.5 in) across 9 days, and the humidity is slightly higher at 86%. For more detailed insights into the April weather in Xiapu, you can visit Xiapu weather in April.

September and May present noticeable differences in weather patterns. September boasts warmer temperatures, with minimums around 21°C (70°F) and maximums reaching 32°C (90°F), while May sees milder conditions with minimums of 15°C (58°F) and maximums of 28°C (82°F). Additionally, September tends to be more humid at 78%, compared to May's higher humidity level of 88%. Precipitation is also significant in both months, with September receiving 156 mm (6.1 in) over 14 days, while May records slightly more at 182 mm (7.2 in) across 12 days. For a closer look at the specifics of May weather, you can check Xiapu weather in May.

In comparing the weather between September and June, we see some notable differences. September generally experiences slightly warmer temperatures, with average highs of 32°C (90°F) while June has the same maximum but a lower average temperature of 24°C (75°F). Humidity levels tend to be higher in June at 89%, compared to 78% in September. Additionally, June receives significantly more rainfall, with a total of 302 mm (11.9 in) over 16 days, while September has 156 mm (6.1 in) across 14 days. For a detailed look at the June weather in this region, check out Xiapu weather in June.

When comparing the weather in September and July, a few notable differences emerge. In July, temperatures are generally warmer, with minimums around 23°C (73°F) and maximums reaching up to 34°C (94°F), compared to September's milder minimum of 21°C (70°F) and maximum of 32°C (90°F). Humidity is also higher in July at 91%, making it feel more oppressive than September's 78%. Additionally, both months experience significant precipitation, but July slightly edges out September with 174 mm (6.8 in) over 13 days compared to September's 156 mm (6.1 in) over 14 days. For a detailed look at July weather, you can check Xiapu weather in July.

In comparing the weather conditions of September and August, September presents slightly cooler temperatures, with a minimum of 21°C (70°F) and an average of 26°C (79°F), compared to August's minimum of 23°C (74°F) and average of 29°C (84°F). Both months have similar levels of precipitation, with September receiving 156 mm (6.1 in) over 14 days and August slightly less at 153 mm (6.0 in) over 13 days. However, September has lower humidity at 78%, whereas August is more humid, registering at 88%. For a more in-depth look at the weather specifics for August, you can refer to Xiapu weather in August.

September typically features warmer weather, with average temperatures around 26°C (79°F) and maximums reaching up to 32°C (90°F). The month also sees significant rainfall, with about 156 mm (6.1 in) of precipitation spread over 14 days. In contrast, October experiences cooler temperatures, averaging 22°C (71°F) and peaking at 29°C (85°F). While the precipitation decreases slightly to 135 mm (5.3 in) over 10 days, humidity remains fairly consistent at 79%. For more detailed information, you can check Xiapu weather in October.

September and November present a striking contrast in weather patterns. In September, temperatures range from a mild minimum of 21°C (70°F) to a sweltering maximum of 32°C (90°F), with an average of 26°C (79°F). The month is also marked by considerable rainfall, totaling 156 mm (6.1 in) over 14 days, accompanied by relatively high humidity of 78%. In contrast, November brings much cooler temperatures, with a minimum of 8°C (47°F), an average of 17°C (63°F), and a maximum of 23°C (74°F). Precipitation decreases significantly to 68 mm (2.7 in) over just 9 days, while humidity remains slightly higher at 80%. For a deeper look into the weather specifics for November, visit Xiapu weather in November.

September and December present stark contrasts in weather. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F), creating a warm and humid climate with 156 mm (6.1 in) of rainfall over 14 days. In contrast, December experiences significantly cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 20°C (68°F), averaging just 11°C (53°F). The precipitation decreases to 73 mm (2.9 in) over 9 days, although the humidity remains high at 80%. For more details on the December weather, you can visit Xiapu weather in December.

Compare Xiapu's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xiapu

As September unfolds in Xiapu, the weather features a pleasant blend of warmth and humidity, setting it apart from the more extreme temperatures of the summer months. With an average temperature hovering around a comfortable 26°C, it invites outdoor adventures, despite the rainfall that graces approximately half the days of the month. The notable humidity of 78% can make the air feel richer, enhancing the lush surroundings typical of this season. Compared to other months, September presents a vibrant transition into autumn, making it a unique time to experience the beauty of Xiapu. For a deeper dive into the weather trends, visit Xiapu Climate.