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September Weather in Yibin, China

Last updated: August 22, 2025

In September, the average temperature in Yibin, China hovers around 24°C (75°F), offering a pleasantly warm climate. Expect lows of 17°C (63°F) and highs reaching up to 35°C (96°F). However, be prepared for some wet days, as 150 mm (5.9 in) of precipitation typically graces the region over about 19 days. With an average humidity of a steamy 91%, the month provides a uniquely tropical atmosphere.

September Temperature in Yibin

In September in Yibin, the average temperature is 24°C (75°F), with maximums that can reach up to 35°C (96°F) and minimums as low as 17°C (63°F). This makes it an ideal time for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Yibin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yibin, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec475161677378828375655749
Data source: Temperature data for Yibin 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 Yibin

In Yibin in September, the precipitation amount is 150 mm (5.9 in) over the course of 19 days.

September Precipitation Trends in Yibin

The chart displays monthly precipitation patterns in Yibin, 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 Yibin, September typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec2526416590142203244150852934
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yibin

In Yibin in September humidity is 91%. With an average temperature of 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making traveling quite uncomfortable as you’ll likely feel drenched in sweat and sluggish after just a short walk.

September Average Humidity in Yibin

This chart illustrates the average monthly humidity levels in Yibin, 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 Yibin 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 Yibin

In Yibin 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 Yibin.

Maximum UV Index Levels in Yibin for September

The chart shows the monthly maximum UV Index (UVI) for Yibin 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 Yibin typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec578111211121111865
Data source: Yibin 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 Yibin Compares to Other Months

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

This table compares monthly weather conditions in Yibin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)25 mm (1.0 inches)86%moderate
February Weather10°C (51°F)26 mm (1.0 inches)87%high
March Weather16°C (61°F)41 mm (1.6 inches)78%very high
April Weather20°C (67°F)65 mm (2.6 inches)80%extreme
May Weather23°C (73°F)89 mm (3.5 inches)87%extreme
June Weather25°C (78°F)142 mm (5.6 inches)89%extreme
July Weather28°C (83°F)203 mm (8.0 inches)89%extreme
August Weather28°C (83°F)244 mm (9.6 inches)91%extreme
September Weather24°C (75°F)150 mm (5.9 inches)91%extreme
October Weather18°C (65°F)85 mm (3.4 inches)90%very high
November Weather14°C (58°F)29 mm (1.1 inches)91%high
December Weather9°C (49°F)34 mm (1.3 inches)87%moderate

Compare Yibin's Climate with Cities Worldwide