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September Weather in Sanjian, China

Last updated: August 22, 2025

In September, the average temperature in Sanjian, China is 21°C (71°F), creating a comfortable atmosphere for visitors and locals alike. Expect temperatures to range from a refreshing 13°C (57°F) to a warm 33°C (91°F). With an average humidity of 71%, it’s a good idea to stay hydrated. However, be prepared for 185 mm (7.3 in) of precipitation spread across 18 days during the month, so don’t forget your umbrella!

September Temperature in Sanjian

In September in Sanjian, the average temperature is 21°C (71°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 13°C (57°F). This makes it an ideal time for travelers to enjoy a pleasant climate while exploring the sights.

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

The chart illustrates September temperature patterns in Sanjian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanjian, September typically has an average temperature of 21°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec414453616773787970615243
Data source: Temperature data for Sanjian 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 Sanjian

In Sanjian in September, the total precipitation amount is 185 mm (7.3 in) spread over 18 days.

September Precipitation Trends in Sanjian

The chart displays monthly precipitation patterns in Sanjian, 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 Sanjian, September typically receives around 185 mm (7.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec44591211462262012492151851418038
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sanjian

In Sanjian in September humidity is 71%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it important for travelers to stay hydrated and seek shade during the hottest parts of the day.

September Average Humidity in Sanjian

This chart illustrates the average monthly humidity levels in Sanjian, 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 Sanjian is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%84%82%86%86%88%85%71%74%85%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sanjian

In Sanjian 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 Sanjian.

Maximum UV Index Levels in Sanjian for September

The chart shows the monthly maximum UV Index (UVI) for Sanjian 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 Sanjian typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679111212131210975
Data source: Sanjian 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 Sanjian Compares to Other Months

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

This table compares monthly weather conditions in Sanjian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)44 mm (1.7 inches)67%high
February Weather7°C (44°F)59 mm (2.3 inches)73%high
March Weather12°C (54°F)121 mm (4.7 inches)84%very high
April Weather16°C (61°F)146 mm (5.7 inches)82%extreme
May Weather19°C (67°F)226 mm (8.9 inches)86%extreme
June Weather23°C (73°F)201 mm (7.9 inches)86%extreme
July Weather26°C (78°F)249 mm (9.8 inches)88%extreme
August Weather26°C (79°F)215 mm (8.5 inches)85%extreme
September Weather21°C (71°F)185 mm (7.3 inches)71%very high
October Weather16°C (61°F)141 mm (5.5 inches)74%very high
November Weather11°C (52°F)80 mm (3.1 inches)85%high
December Weather6°C (43°F)38 mm (1.5 inches)75%moderate

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