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September Weather in Tongchuan, China

Last updated: August 22, 2025

In September, the average temperature in Tongchuan, China hovers around 23°C (74°F). However, be prepared for a range, as the minimum can dip to 15°C (59°F) while the maximum can soar to 35°C (96°F). With 137 mm (5.4 in) of precipitation spread over 15 days, expect a humid atmosphere with an average humidity of 92%.

September Temperature in Tongchuan

In September in Tongchuan, the average temperature is 23°C (74°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 15°C (59°F). This makes it an ideal time for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Tongchuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tongchuan, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec464959667378818274645647
Data source: Temperature data for Tongchuan 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 Tongchuan

In Tongchuan in September, the precipitation amount is 137 mm (5.4 in) over the course of 15 days.

September Precipitation Trends in Tongchuan

The chart displays monthly precipitation patterns in Tongchuan, 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 Tongchuan, September typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec2023416585127324169138912438
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tongchuan

In Tongchuan in September, humidity is 92%. With an average temperature of 23°C (74°F), this humidity feels like a heavy blanket wrapped around you, making it sticky and uncomfortable for traveling.

September Average Humidity in Tongchuan

This chart illustrates the average monthly humidity levels in Tongchuan, 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 Tongchuan is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%90%86%87%88%89%92%92%92%92%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tongchuan

In Tongchuan 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 Tongchuan.

Maximum UV Index Levels in Tongchuan for September

The chart shows the monthly maximum UV Index (UVI) for Tongchuan 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 Tongchuan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112111110864
Data source: Tongchuan 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 Tongchuan Compares to Other Months

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

This table compares monthly weather conditions in Tongchuan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)20 mm (0.8 inches)90%moderate
February Weather10°C (50°F)23 mm (0.9 inches)92%high
March Weather15°C (59°F)41 mm (1.6 inches)89%very high
April Weather19°C (67°F)65 mm (2.6 inches)85%very high
May Weather23°C (74°F)85 mm (3.3 inches)87%extreme
June Weather26°C (79°F)127 mm (5.0 inches)88%extreme
July Weather27°C (82°F)324 mm (12.7 inches)89%extreme
August Weather28°C (83°F)169 mm (6.6 inches)92%extreme
September Weather23°C (74°F)137 mm (5.4 inches)92%very high
October Weather18°C (64°F)91 mm (3.6 inches)92%very high
November Weather13°C (56°F)24 mm (1.0 inches)92%high
December Weather8°C (47°F)38 mm (1.5 inches)90%moderate

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