September Weather in Longtai, China

Last updated: August 22, 2025

In Longtai, China, the average temperature in September hovers around 15°C (59°F). Expect a minimum chill of 1°C (34°F), while highs can soar to 28°C (83°F). During this month, precipitation totals 119 mm (4.7 in) spread over about 10 days, accompanied by an average humidity level of 85%.

September Temperature in Longtai

In September in Longtai, the average temperature is 15°C (59°F), with a maximum that can reach 28°C (83°F) and a minimum that can dip as low as 1°C (34°F). Be prepared for a wide range of temperatures when planning your travel to Longtai this September.

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

The chart illustrates September temperature patterns in Longtai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longtai, September typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (83°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec-352645586775695943221
Data source: Temperature data for Longtai generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Longtai

In Longtai in September, the total precipitation amount is 119 mm (4.7 in) over the span of 10 days.

September Precipitation Trends in Longtai

The chart displays monthly precipitation patterns in Longtai, 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 Longtai, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec57163467117176184119242310
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Longtai

In Longtai in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.

September Average Humidity in Longtai

This chart illustrates the average monthly humidity levels in Longtai, 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 Longtai is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%63%59%61%79%85%87%85%81%61%60%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Longtai

In Longtai 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 Longtai, you can refer to this Hourly UV Index in Longtai.

Maximum UV Index Levels in Longtai for September

The chart shows the monthly maximum UV Index (UVI) for Longtai 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 Longtai typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679986421
Data source: Longtai 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 Longtai Compares to Other Months

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

This table compares monthly weather conditions in Longtai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-19°C (-2°F)5 mm (0.2 inches)75%low
February Weather-15°C (6°F)7 mm (0.3 inches)70%moderate
March Weather-3°C (26°F)16 mm (0.6 inches)63%moderate
April Weather7°C (45°F)34 mm (1.3 inches)59%high
May Weather15°C (59°F)67 mm (2.6 inches)61%high
June Weather19°C (67°F)117 mm (4.6 inches)79%very high
July Weather24°C (75°F)176 mm (6.9 inches)84%very high
August Weather21°C (69°F)183 mm (7.2 inches)87%very high
September Weather15°C (59°F)119 mm (4.7 inches)85%high
October Weather6°C (43°F)24 mm (0.9 inches)80%moderate
November Weather-6°C (22°F)22 mm (0.9 inches)61%low
December Weather-17°C (2°F)10 mm (0.4 inches)60%low

Compare Longtai's Climate with Cities Worldwide