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September Weather in Tongchuan, China

Last updated: August 22, 2025

In September, the average temperature in Tongchuan, China hovers around 17°C (62°F). Temperatures can fluctuate, with a minimum of 5°C (41°F) and a maximum reaching 29°C (85°F). Expect approximately 95 mm (3.8 in) of precipitation spread over 10 days, and prepare for a high average humidity of 84%, creating a damp and mild atmosphere throughout the month.

September Temperature in Tongchuan

In September in Tongchuan, the average temperature is 17°C (62°F). The maximum can reach 29°C (85°F) and the minimum can be as low as 5°C (41°F). Be sure to pack layers to accommodate the warm days and cooler evenings while exploring.

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 17°C (62°F), with highs reaching up to 29°C (85°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec263144546270737162493827
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 95 mm (3.8 in) over the course of 10 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 95 mm (3.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec712204551721121459669185
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 84%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making travel both comforting and slightly stifling, as you navigate through a haze of thick, moisture-laden air.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%84%86%83%71%77%78%79%84%87%84%80%
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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45710111212119743
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 Weather-4°C (26°F)7 mm (0.3 inches)76%moderate
February Weather0°C (32°F)12 mm (0.5 inches)83%moderate
March Weather7°C (44°F)20 mm (0.8 inches)86%high
April Weather12°C (54°F)45 mm (1.8 inches)83%very high
May Weather17°C (63°F)51 mm (2.0 inches)71%extreme
June Weather21°C (70°F)72 mm (2.8 inches)77%extreme
July Weather23°C (74°F)112 mm (4.4 inches)78%extreme
August Weather21°C (71°F)145 mm (5.7 inches)78%extreme
September Weather17°C (62°F)95 mm (3.8 inches)84%very high
October Weather10°C (49°F)69 mm (2.7 inches)87%high
November Weather3°C (38°F)18 mm (0.7 inches)84%moderate
December Weather-3°C (27°F)5 mm (0.2 inches)80%moderate

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