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September Weather in Longcheng, China

Last updated: August 22, 2025

In September, the average temperature in Longcheng, China reaches a delightful 25°C (77°F). However, be prepared for a range, as temperatures can dip to a minimum of 16°C (60°F) and soar to a maximum of 36°C (97°F). Expect 95 mm (3.7 in) of precipitation over about 13 days, accompanied by an average humidity of 66%. Whether you're exploring or relaxing, you'll want to consider the weather in your plans!

September Temperature in Longcheng

In September in Longcheng, the average temperature is 25°C (77°F). Maximums can reach 36°C (97°F), and minimums can be as low as 16°C (60°F). This makes it an ideal time for travelers to enjoy outdoor activities while being prepared for warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Longcheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longcheng, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec454857647277818177665748
Data source: Temperature data for Longcheng 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 Longcheng

In Longcheng in September, the precipitation amount is 95 mm (3.7 in) over the course of 13 days.

September Precipitation Trends in Longcheng

The chart displays monthly precipitation patterns in Longcheng, 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 Longcheng, September typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9311617816919423624611195929982
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Longcheng

In Longcheng in September humidity is 66%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making travel a pleasant experience as the air is saturated but still breathable, allowing for comfortable exploration.

September Average Humidity in Longcheng

This chart illustrates the average monthly humidity levels in Longcheng, 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 Longcheng is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%67%70%67%84%87%89%86%66%66%69%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Longcheng

In Longcheng in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Longcheng.

Maximum UV Index Levels in Longcheng for September

The chart shows the monthly maximum UV Index (UVI) for Longcheng 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 Longcheng typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec78111113121313111086
Data source: Longcheng 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 Longcheng Compares to Other Months

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

This table compares monthly weather conditions in Longcheng, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)93 mm (3.7 inches)59%high
February Weather9°C (49°F)116 mm (4.6 inches)67%very high
March Weather14°C (58°F)178 mm (7.0 inches)70%extreme
April Weather18°C (64°F)169 mm (6.6 inches)67%extreme
May Weather22°C (72°F)194 mm (7.6 inches)84%extreme
June Weather25°C (77°F)236 mm (9.3 inches)87%extreme
July Weather27°C (81°F)246 mm (9.7 inches)89%extreme
August Weather27°C (81°F)111 mm (4.4 inches)86%extreme
September Weather25°C (77°F)95 mm (3.7 inches)66%extreme
October Weather19°C (66°F)92 mm (3.6 inches)66%very high
November Weather14°C (58°F)99 mm (3.9 inches)69%very high
December Weather9°C (48°F)82 mm (3.2 inches)68%high

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