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September Weather in Dayi, China

Last updated: August 22, 2025

In September, the average temperature in Dayi, China hovers around 24°C (76°F). You'll experience a minimum chill of 15°C (59°F), with the mercury soaring to a maximum of 36°C (97°F). Expect 98 mm (3.8 in) of precipitation spread over 10 days, contributing to an average humidity of 72%. Weather can vary, so be prepared for both sunny days and occasional showers!

September Temperature in Dayi

In September in Dayi, the average temperature is 24°C (76°F). Maximums can reach 36°C (97°F), and minimums can be as low as 15°C (59°F). This makes Dayi a delightful destination for travelers seeking warm weather and comfortable evenings.

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

The chart illustrates September temperature patterns in Dayi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayi, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec394252617177828375645442
Data source: Temperature data for Dayi 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 Dayi

In Dayi in September, the precipitation amount is 98 mm (3.8 in) spread over a period of 10 days.

September Precipitation Trends in Dayi

The chart displays monthly precipitation patterns in Dayi, 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 Dayi, September typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4743535713215625515698584038
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dayi

In Dayi in September humidity is 72%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit uncomfortable, so travelers should stay hydrated and plan for frequent breaks in the shade.

September Average Humidity in Dayi

This chart illustrates the average monthly humidity levels in Dayi, 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 Dayi is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%71%80%83%81%81%88%85%73%76%84%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dayi

In Dayi 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 Dayi.

Maximum UV Index Levels in Dayi for September

The chart shows the monthly maximum UV Index (UVI) for Dayi 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 Dayi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101011111110854
Data source: Dayi 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 Dayi Compares to Other Months

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

This table compares monthly weather conditions in Dayi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)47 mm (1.9 inches)64%moderate
February Weather6°C (42°F)43 mm (1.7 inches)71%high
March Weather11°C (53°F)53 mm (2.1 inches)80%very high
April Weather16°C (61°F)57 mm (2.3 inches)83%very high
May Weather21°C (71°F)132 mm (5.2 inches)80%very high
June Weather25°C (78°F)155 mm (6.1 inches)81%extreme
July Weather28°C (82°F)255 mm (10.0 inches)88%extreme
August Weather28°C (83°F)156 mm (6.1 inches)85%extreme
September Weather24°C (76°F)98 mm (3.8 inches)72%very high
October Weather18°C (64°F)58 mm (2.3 inches)76%very high
November Weather12°C (55°F)40 mm (1.6 inches)84%moderate
December Weather6°C (42°F)38 mm (1.5 inches)75%moderate

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