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September Weather in Chetian, China

Last updated: August 22, 2025

In Chetian, China, the average temperature in September is a warm 28°C (82°F), making it a perfect time to enjoy outdoor activities. However, be prepared for a range that can dip to a cool 15°C (59°F) or soar to a scorching 39°C (102°F). During this month, you can expect approximately 101 mm (4.0 in) of precipitation spread over 16 days, resulting in an average humidity of 61%. Whether you’re soaking up the sun or dodging the rain, Chetian in September offers a variety of weather experiences!

September Temperature in Chetian

In September in Chetian, the average temperature is 28°C (82°F), with maximums reaching up to 39°C (102°F) and minimums dipping as low as 15°C (59°F). This makes it an ideal time for travelers seeking warm weather while being prepared for occasional cool evenings.

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

The chart illustrates September temperature patterns in Chetian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chetian, September typically has an average temperature of 28°C (82°F), with highs reaching up to 39°C (102°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec555765707881858482746656
Data source: Temperature data for Chetian 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 Chetian

In Chetian in September, the total precipitation amount is 101 mm (4.0 in) spread over 16 days.

September Precipitation Trends in Chetian

The chart displays monthly precipitation patterns in Chetian, 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 Chetian, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec385712512419127498148101402925
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chetian

In Chetian in September, humidity is 61%. With an average temperature of 28°C (82°F), this humidity feels like a warm, heavy blanket wrapped around you, making outdoor activities sweat-inducing but still enjoyable for those who appreciate the tropical vibe.

September Average Humidity in Chetian

This chart illustrates the average monthly humidity levels in Chetian, 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 Chetian is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%70%77%76%85%80%87%84%61%62%67%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chetian

In Chetian 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 Chetian.

Maximum UV Index Levels in Chetian for September

The chart shows the monthly maximum UV Index (UVI) for Chetian 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 Chetian typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213131313111097
Data source: Chetian 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 Chetian Compares to Other Months

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

This table compares monthly weather conditions in Chetian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)38 mm (1.5 inches)66%high
February Weather14°C (57°F)57 mm (2.2 inches)70%very high
March Weather18°C (65°F)125 mm (4.9 inches)77%extreme
April Weather21°C (70°F)124 mm (4.9 inches)76%extreme
May Weather25°C (78°F)191 mm (7.5 inches)85%extreme
June Weather27°C (82°F)274 mm (10.8 inches)80%extreme
July Weather29°C (85°F)98 mm (3.8 inches)87%extreme
August Weather29°C (84°F)147 mm (5.8 inches)84%extreme
September Weather28°C (82°F)101 mm (4.0 inches)61%extreme
October Weather23°C (75°F)40 mm (1.6 inches)62%very high
November Weather19°C (67°F)29 mm (1.1 inches)67%very high
December Weather14°C (57°F)25 mm (1.0 inches)74%high

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