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September Weather in Xiwu, China

Last updated: August 22, 2025

In Xiwu, China, the average temperature in September hovers around 7°C (45°F), with a chilly minimum of -9°C (16°F) and a maximum of 18°C (65°F). Expect 125 mm (4.9 in) of precipitation spread over 23 days, contributing to a notably high average humidity of 88%. Be prepared for damp, cool conditions during this time!

September Temperature in Xiwu

In September in Xiwu, the average temperature is 7°C (45°F), with maximums reaching 18°C (65°F) and minimums dipping as low as -9°C (16°F). It's advisable to pack layers and prepare for chilly conditions while exploring the area during this time.

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

The chart illustrates September temperature patterns in Xiwu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xiwu, September typically has an average temperature of 7°C (45°F), with highs reaching up to 18°C (65°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec16142536455050453191
Data source: Temperature data for Xiwu 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 Xiwu

In Xiwu in September, the precipitation amount is 125 mm (4.9 in) distributed over 23 days.

September Precipitation Trends in Xiwu

The chart displays monthly precipitation patterns in Xiwu, 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 Xiwu, September typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec1117243070147130136125641912
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xiwu

In Xiwu in September humidity is 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.

September Average Humidity in Xiwu

This chart illustrates the average monthly humidity levels in Xiwu, 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 Xiwu is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%78%72%70%81%86%87%87%88%76%69%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xiwu

In Xiwu in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Xiwu, you can check here.

Maximum UV Index Levels in Xiwu for September

The chart shows the monthly maximum UV Index (UVI) for Xiwu 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 Xiwu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69131517161514141196
Data source: Xiwu 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.

How September Weather in Xiwu Compares to Other Months

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

This table compares monthly weather conditions in Xiwu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (2°F)11 mm (0.4 inches)68%high
February Weather-14°C (7°F)17 mm (0.7 inches)78%very high
March Weather-10°C (14°F)24 mm (0.9 inches)72%extreme
April Weather-4°C (25°F)30 mm (1.2 inches)70%extreme
May Weather2°C (37°F)70 mm (2.8 inches)81%extreme
June Weather7°C (46°F)147 mm (5.8 inches)86%extreme
July Weather10°C (51°F)130 mm (5.1 inches)87%extreme
August Weather10°C (50°F)136 mm (5.3 inches)87%extreme
September Weather7°C (45°F)125 mm (4.9 inches)88%extreme
October Weather0°C (32°F)64 mm (2.5 inches)76%extreme
November Weather-13°C (9°F)19 mm (0.8 inches)69%very high
December Weather-17°C (1°F)12 mm (0.5 inches)69%high

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