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September Weather in Jiushan, China

Last updated: August 22, 2025

In September, the average temperature in Jiushan, China hovers around 21°C (70°F), making it quite pleasant. Expect minimum temperatures to dip to 10°C (50°F) and occasionally reach a maximum of 31°C (88°F). With an average precipitation of 82 mm (3.2 in) spread over 7 days, you might want to pack an umbrella. Additionally, the average humidity sits at a comfortable 58%, ensuring a refreshing climate overall.

September Temperature in Jiushan

In September in Jiushan, the average temperature is 21°C (70°F), with maximums reaching up to 31°C (88°F) and minimums dropping to as low as 10°C (50°F). This makes it an ideal time for traveling, as you can enjoy warm days and pleasant evenings.

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

The chart illustrates September temperature patterns in Jiushan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiushan, September typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (88°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec293546566775787769564533
Data source: Temperature data for Jiushan 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 Jiushan

In Jiushan in September, the precipitation amount is 82 mm (3.2 in) over the course of 7 days.

September Precipitation Trends in Jiushan

The chart displays monthly precipitation patterns in Jiushan, 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 Jiushan, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec14212743458118518482312813
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jiushan

In Jiushan in September, humidity is 58%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, creating a tropical atmosphere that's perfect for leisurely strolls but may require frequent breaks to stay hydrated during your travels.

September Average Humidity in Jiushan

This chart illustrates the average monthly humidity levels in Jiushan, 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 Jiushan is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec42%49%57%71%66%66%79%75%58%67%77%62%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jiushan

In Jiushan in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Jiushan.

Maximum UV Index Levels in Jiushan for September

The chart shows the monthly maximum UV Index (UVI) for Jiushan 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 Jiushan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357891010108743
Data source: Jiushan 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 Jiushan Compares to Other Months

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

This table compares monthly weather conditions in Jiushan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)14 mm (0.6 inches)42%moderate
February Weather1°C (35°F)21 mm (0.8 inches)49%moderate
March Weather8°C (46°F)27 mm (1.0 inches)57%high
April Weather13°C (56°F)43 mm (1.7 inches)71%very high
May Weather19°C (67°F)45 mm (1.8 inches)65%very high
June Weather24°C (75°F)81 mm (3.2 inches)66%very high
July Weather25°C (78°F)185 mm (7.3 inches)79%very high
August Weather25°C (77°F)184 mm (7.2 inches)75%very high
September Weather21°C (70°F)82 mm (3.2 inches)58%very high
October Weather13°C (56°F)31 mm (1.2 inches)67%high
November Weather7°C (45°F)28 mm (1.1 inches)77%moderate
December Weather0°C (33°F)13 mm (0.5 inches)62%moderate

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