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September Weather in Chonglong, China

Last updated: August 22, 2025

In September, the average temperature in Chonglong, China hovers around 23°C (74°F), with the mercury dipping as low as 16°C (61°F) and climbing up to a warm 35°C (95°F). Expect a precipitation amount of 145 mm (5.7 in) spread over approximately 19 days, creating a rather humid atmosphere with an average humidity of 91%.

September Temperature in Chonglong

In September in Chonglong, the average temperature is 23°C (74°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 16°C (61°F). This pleasant weather makes Chonglong an ideal destination for travelers seeking a comfortable climate during their visit.

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

The chart illustrates September temperature patterns in Chonglong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chonglong, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec465059667277818273645648
Data source: Temperature data for Chonglong 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 Chonglong

In Chonglong in September, the precipitation amount is 145 mm (5.7 in) over a period of 19 days.

September Precipitation Trends in Chonglong

The chart displays monthly precipitation patterns in Chonglong, 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 Chonglong, September typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec2025518495136296216145812731
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chonglong

In Chonglong in September, humidity is 91%. With an average temperature of 23°C (74°F), this humidity feels like walking through a warm, damp blanket, making traveling quite uncomfortable and causing you to break a sweat even during light activities.

September Average Humidity in Chonglong

This chart illustrates the average monthly humidity levels in Chonglong, 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 Chonglong is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%78%80%87%89%89%91%91%90%91%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chonglong

In Chonglong 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 Chonglong.

Maximum UV Index Levels in Chonglong for September

The chart shows the monthly maximum UV Index (UVI) for Chonglong 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 Chonglong typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101111121111964
Data source: Chonglong 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 Chonglong Compares to Other Months

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

This table compares monthly weather conditions in Chonglong, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)20 mm (0.8 inches)86%moderate
February Weather10°C (50°F)25 mm (1.0 inches)87%high
March Weather15°C (60°F)51 mm (2.0 inches)78%very high
April Weather19°C (66°F)83 mm (3.3 inches)80%very high
May Weather22°C (72°F)95 mm (3.7 inches)87%extreme
June Weather25°C (77°F)136 mm (5.3 inches)89%extreme
July Weather27°C (81°F)296 mm (11.7 inches)89%extreme
August Weather28°C (82°F)216 mm (8.5 inches)91%extreme
September Weather23°C (74°F)145 mm (5.7 inches)91%extreme
October Weather18°C (64°F)81 mm (3.2 inches)90%very high
November Weather13°C (56°F)27 mm (1.1 inches)91%high
December Weather9°C (48°F)31 mm (1.2 inches)87%moderate

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