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September Weather in Long'an, China

Last updated: August 22, 2025

In Long'an, China, the average temperature in September hovers around 15°C (60°F), with a minimum dipping to 6°C (42°F) and a maximum reaching up to 24°C (76°F). Expect about 214 mm (8.4 in) of precipitation spread over 24 days, contributing to a high average humidity of 91%. Prepare for a mix of wet and mild weather this time of year!

September Temperature in Long'an

In September in Long'an, the average temperature is 15°C (60°F). Maximums can reach 24°C (76°F), and minimums can be as low as 6°C (42°F). This makes it a great time for travelers to enjoy mild weather and a pleasant atmosphere for outdoor activities.

September Weather in Long'an: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Long'an, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Long'an, September typically has an average temperature of 15°C (60°F), with highs reaching up to 24°C (76°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec283242505763676760504029
Data source: Temperature data for Long'an 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 Long'an

In Long'an in September, the precipitation amount is 214 mm (8.4 in) spread over 24 days.

September Precipitation Trends in Long'an

The chart displays monthly precipitation patterns in Long'an, 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 Long'an, September typically receives around 214 mm (8.4 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec2836721041321612773142141445733
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Long'an

In Long'an in September, humidity is 91%. With an average temperature of 15°C (60°F), this humidity feels like traveling through a warm, damp blanket, making every step heavier and the air thick, which can be quite uncomfortable for most travelers.

September Average Humidity in Long'an

This chart illustrates the average monthly humidity levels in Long'an, 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 Long'an is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%86%85%84%87%88%91%91%91%90%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Long'an

In Long'an in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Long'an.

Maximum UV Index Levels in Long'an for September

The chart shows the monthly maximum UV Index (UVI) for Long'an 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 Long'an typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111313131212965
Data source: Long'an 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 Long'an Compares to Other Months

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

This table compares monthly weather conditions in Long'an, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)28 mm (1.1 inches)87%high
February Weather0°C (32°F)36 mm (1.4 inches)90%very high
March Weather6°C (43°F)72 mm (2.8 inches)86%very high
April Weather10°C (51°F)104 mm (4.1 inches)84%extreme
May Weather14°C (58°F)132 mm (5.2 inches)84%extreme
June Weather17°C (63°F)161 mm (6.3 inches)87%extreme
July Weather19°C (67°F)277 mm (10.9 inches)88%extreme
August Weather19°C (67°F)314 mm (12.4 inches)91%extreme
September Weather15°C (60°F)214 mm (8.4 inches)91%extreme
October Weather10°C (50°F)144 mm (5.7 inches)91%very high
November Weather4°C (40°F)57 mm (2.2 inches)90%high
December Weather-2°C (29°F)33 mm (1.3 inches)87%moderate

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