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September Weather in Longchi, China

Last updated: August 22, 2025

In September, the average temperature in Longchi, China is a pleasant 22°C (72°F). Expect a range of conditions, with minimum temperatures dipping to 12°C (53°F) and maximums soaring up to 36°C (97°F). During this month, precipitation averages around 123 mm (4.8 in), spread over 9 days, contributing to an average humidity level of 78%. Get ready for a mix of sunshine and occasional rain!

September Temperature in Longchi

In September in Longchi, the average temperature is 22°C (72°F). Maximums can reach 36°C (97°F), while minimums can drop to as low as 12°C (53°F). This pleasant climate makes Longchi an ideal destination for travelers seeking warm weather adventures.

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

The chart illustrates September temperature patterns in Longchi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longchi, September typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (97°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec354155647381848272594937
Data source: Temperature data for Longchi 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 Longchi

In Longchi in September, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.

September Precipitation Trends in Longchi

The chart displays monthly precipitation patterns in Longchi, 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 Longchi, September typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1014223735718210012359194
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Longchi

In Longchi in September, humidity is 78%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket wrapped around you, making outdoor exploration a bit stifling but ultimately rewarding as you bask in the vibrant atmosphere.

September Average Humidity in Longchi

This chart illustrates the average monthly humidity levels in Longchi, 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 Longchi is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%80%83%81%68%74%76%72%78%85%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Longchi

In Longchi 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 Longchi.

Maximum UV Index Levels in Longchi for September

The chart shows the monthly maximum UV Index (UVI) for Longchi 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 Longchi typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110108753
Data source: Longchi 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 Longchi Compares to Other Months

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

This table compares monthly weather conditions in Longchi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)10 mm (0.4 inches)70%moderate
February Weather5°C (42°F)14 mm (0.6 inches)80%moderate
March Weather13°C (55°F)22 mm (0.9 inches)83%high
April Weather18°C (64°F)37 mm (1.4 inches)81%very high
May Weather23°C (74°F)35 mm (1.4 inches)68%extreme
June Weather27°C (81°F)71 mm (2.8 inches)74%extreme
July Weather29°C (84°F)82 mm (3.2 inches)76%very high
August Weather28°C (83°F)100 mm (3.9 inches)72%very high
September Weather22°C (72°F)123 mm (4.8 inches)78%very high
October Weather15°C (60°F)58 mm (2.3 inches)85%high
November Weather10°C (50°F)19 mm (0.7 inches)82%moderate
December Weather3°C (37°F)4 mm (0.2 inches)80%moderate

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