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September Weather in Deyang, China

Last updated: August 22, 2025

In September, the average temperature in Deyang, China hovers around 23°C (74°F), making it a pleasant time to explore. Expect a minimum of 15°C (59°F) and a maximum that can reach 35°C (95°F). With an average precipitation of 129 mm (5.1 in) spread over 15 days, and an average humidity level of 92%, the weather can feel quite tropical. Be sure to pack accordingly to enjoy everything this vibrant locale has to offer!

September Temperature in Deyang

In September in Deyang, the average temperature is 23°C (74°F). Maximums can reach up to 35°C (95°F), while minimums can drop as low as 15°C (59°F). This makes Deyang an ideal destination for travelers seeking warm and pleasant weather during this time of year.

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

The chart illustrates September temperature patterns in Deyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deyang, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec454959667379818173645546
Data source: Temperature data for Deyang 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 Deyang

In Deyang in September, the precipitation amount is 129 mm (5.1 in) over a span of 15 days.

September Precipitation Trends in Deyang

The chart displays monthly precipitation patterns in Deyang, 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 Deyang, September typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec131623476496346262129682223
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Deyang

In Deyang 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 Deyang

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

In Deyang 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 Deyang.

Maximum UV Index Levels in Deyang for September

The chart shows the monthly maximum UV Index (UVI) for Deyang 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 Deyang typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101212101110864
Data source: Deyang 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 Deyang Compares to Other Months

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

This table compares monthly weather conditions in Deyang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)13 mm (0.5 inches)90%moderate
February Weather9°C (49°F)16 mm (0.6 inches)92%high
March Weather15°C (59°F)23 mm (0.9 inches)89%very high
April Weather19°C (67°F)47 mm (1.9 inches)85%very high
May Weather23°C (74°F)64 mm (2.5 inches)87%extreme
June Weather26°C (79°F)96 mm (3.8 inches)88%extreme
July Weather27°C (81°F)346 mm (13.6 inches)89%very high
August Weather27°C (82°F)262 mm (10.3 inches)92%extreme
September Weather23°C (74°F)129 mm (5.1 inches)92%very high
October Weather18°C (64°F)68 mm (2.7 inches)92%very high
November Weather13°C (56°F)22 mm (0.9 inches)92%high
December Weather8°C (47°F)23 mm (0.9 inches)90%moderate

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