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September Weather in Siliwu, China

Last updated: August 22, 2025

In September, the average temperature in Siliwu, China hovers around 16°C (61°F). Expect a minimum of 3°C (37°F) and a comfortable maximum of 31°C (88°F). During this month, anticipate 87 mm (3.4 in) of precipitation spread over 8 days, with an average humidity of 82%. Stay prepared for a mix of warm days and occasional rain!

September Temperature in Siliwu

In September in Siliwu, the average temperature is 16°C (61°F). Maximums can reach 31°C (88°F), while minimums can dip as low as 3°C (37°F). This diverse temperature range makes Siliwu an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Siliwu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siliwu, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec4123148617077716145257
Data source: Temperature data for Siliwu 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 Siliwu

In Siliwu in September, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 days.

September Precipitation Trends in Siliwu

The chart displays monthly precipitation patterns in Siliwu, 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 Siliwu, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec245204296133143871794
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Siliwu

In Siliwu in September humidity is 82%. With an average temperature of 16°C (61°F), this humidity feels like a heavy blanket enveloping you, making travel feel a bit sluggish and requiring frequent breaks to hydrate and cool down.

September Average Humidity in Siliwu

This chart illustrates the average monthly humidity levels in Siliwu, 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 Siliwu is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%60%60%57%58%76%84%85%82%77%61%62%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Siliwu

In Siliwu in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Siliwu, you can refer to this Hourly UV Index in Siliwu.

Maximum UV Index Levels in Siliwu for September

The chart shows the monthly maximum UV Index (UVI) for Siliwu 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 Siliwu typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689996421
Data source: Siliwu 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 Siliwu Compares to Other Months

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

This table compares monthly weather conditions in Siliwu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-16°C (4°F)2 mm (0.1 inches)70%low
February Weather-11°C (12°F)4 mm (0.1 inches)60%moderate
March Weather-1°C (31°F)5 mm (0.2 inches)60%moderate
April Weather9°C (48°F)20 mm (0.8 inches)57%high
May Weather16°C (61°F)42 mm (1.7 inches)58%very high
June Weather21°C (70°F)96 mm (3.8 inches)76%very high
July Weather25°C (77°F)133 mm (5.2 inches)84%very high
August Weather21°C (71°F)143 mm (5.6 inches)85%very high
September Weather16°C (61°F)87 mm (3.4 inches)82%high
October Weather7°C (45°F)17 mm (0.7 inches)77%moderate
November Weather-4°C (25°F)9 mm (0.4 inches)61%low
December Weather-14°C (7°F)4 mm (0.2 inches)62%low

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