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September Weather in Chi'an, China

Last updated: August 22, 2025

In September, the average temperature in Chi'an, China hovers around 25°C (77°F), with a comfortable minimum of 15°C (60°F) and a potential maximum of 35°C (95°F). Expect a moderate precipitation of 105 mm (4.1 in) over approximately 11 days, accompanied by an average humidity of 73%. Enjoy the diverse climate while exploring this fascinating locale!

September Temperature in Chi'an

In September in Chi'an, the average temperature is 25°C (77°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop to as low as 15°C (60°F). This pleasant climate makes Chi'an an ideal destination for outdoor activities and exploration during this time of year.

September Weather in Chi'an: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chi'an, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chi'an, September typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec434655637277828377655646
Data source: Temperature data for Chi'an 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 Chi'an

In Chi'an in September, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

September Precipitation Trends in Chi'an

The chart displays monthly precipitation patterns in Chi'an, 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 Chi'an, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7388203192242372305155105405953
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chi'an

In Chi'an in September humidity is 73%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel a bit sticky but also vibrant and lively, as the air carries the rich scents of the surrounding environment.

September Average Humidity in Chi'an

This chart illustrates the average monthly humidity levels in Chi'an, 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 Chi'an is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%73%82%86%86%86%90%86%73%73%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chi'an

In Chi'an 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 Chi'an.

Maximum UV Index Levels in Chi'an for September

The chart shows the monthly maximum UV Index (UVI) for Chi'an 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 Chi'an typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101112121211975
Data source: Chi'an 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 Chi'an Compares to Other Months

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

This table compares monthly weather conditions in Chi'an, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)73 mm (2.9 inches)69%high
February Weather8°C (46°F)88 mm (3.5 inches)73%high
March Weather13°C (56°F)203 mm (8.0 inches)82%very high
April Weather17°C (64°F)191 mm (7.5 inches)86%very high
May Weather22°C (72°F)242 mm (9.5 inches)86%extreme
June Weather25°C (78°F)372 mm (14.6 inches)86%extreme
July Weather28°C (83°F)305 mm (12.0 inches)90%extreme
August Weather28°C (83°F)154 mm (6.1 inches)86%extreme
September Weather25°C (77°F)105 mm (4.1 inches)73%extreme
October Weather19°C (66°F)40 mm (1.6 inches)73%very high
November Weather13°C (57°F)59 mm (2.3 inches)80%high
December Weather8°C (46°F)53 mm (2.1 inches)79%moderate

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