September Weather in Kaiyun, China

Last updated: August 22, 2025

In September, the average temperature in Kaiyun, China hovers around 27°C (81°F), providing a warm atmosphere for outdoor adventures. Expect temperatures to range from a brisk 17°C (63°F) to a sweltering 39°C (103°F). During this month, precipitation averages 76 mm (3.0 in) over approximately 11 days, adding a touch of humidity with an average of 62%. Embrace the climate and enjoy your stay!

September Temperature in Kaiyun

In September in Kaiyun, the average temperature is 27°C (81°F). Maximums can reach 39°C (103°F) and minimums can be as low as 17°C (63°F). Be prepared for warm days and cooler evenings when traveling to Kaiyun during this time.

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

The chart illustrates September temperature patterns in Kaiyun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaiyun, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (103°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec444857657480868780675848
Data source: Temperature data for Kaiyun 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 Kaiyun

In Kaiyun in September, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 days.

September Precipitation Trends in Kaiyun

The chart displays monthly precipitation patterns in Kaiyun, 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 Kaiyun, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec51901901682583272169076577948
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kaiyun

In Kaiyun in September humidity is 62%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, soft blanket, making travel feel both cozy and slightly sluggish as you navigate through the warmth.

September Average Humidity in Kaiyun

This chart illustrates the average monthly humidity levels in Kaiyun, 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 Kaiyun is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%81%82%86%86%89%86%62%62%71%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kaiyun

In Kaiyun in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Kaiyun.

Maximum UV Index Levels in Kaiyun for September

The chart shows the monthly maximum UV Index (UVI) for Kaiyun 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 Kaiyun typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101112131210975
Data source: Kaiyun 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 Kaiyun Compares to Other Months

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

This table compares monthly weather conditions in Kaiyun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)51 mm (2.0 inches)65%high
February Weather9°C (48°F)90 mm (3.6 inches)69%high
March Weather14°C (58°F)190 mm (7.5 inches)81%very high
April Weather19°C (66°F)167 mm (6.6 inches)82%very high
May Weather23°C (74°F)258 mm (10.2 inches)86%extreme
June Weather27°C (80°F)327 mm (12.9 inches)86%extreme
July Weather30°C (86°F)216 mm (8.5 inches)89%extreme
August Weather30°C (87°F)90 mm (3.5 inches)86%extreme
September Weather27°C (81°F)76 mm (3.0 inches)62%very high
October Weather19°C (67°F)57 mm (2.2 inches)62%very high
November Weather15°C (59°F)79 mm (3.1 inches)71%high
December Weather9°C (48°F)48 mm (1.9 inches)75%moderate

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