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September Weather in Yiwa, China

Last updated: August 22, 2025

In Yiwa, China, the average temperature in September hovers around 9°C (48°F). Expect a chilly minimum of -2°C (28°F), while the mercury can rise to a maximum of 20°C (68°F). During this month, you'll encounter approximately 131 mm (5.2 in) of precipitation over 20 days, contributing to a high average humidity of 87%. Stay prepared for wet and cool conditions!

September Temperature in Yiwa

In September in Yiwa, the average temperature is 9°C (48°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop as low as -2°C (28°F). Be sure to pack layers to comfortably enjoy the varying weather during your travels!

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

The chart illustrates September temperature patterns in Yiwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yiwa, September typically has an average temperature of 9°C (48°F), with highs reaching up to 20°C (68°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec162029374450555548382616
Data source: Temperature data for Yiwa 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 Yiwa

In Yiwa in September, the precipitation amount is 131 mm (5.2 in) over the course of 20 days.

September Precipitation Trends in Yiwa

The chart displays monthly precipitation patterns in Yiwa, 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 Yiwa, September typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec141837781201371261371311103111
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yiwa

In Yiwa in September humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

September Average Humidity in Yiwa

This chart illustrates the average monthly humidity levels in Yiwa, 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 Yiwa is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%85%83%78%80%82%86%87%88%86%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yiwa

In Yiwa in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Yiwa.

Maximum UV Index Levels in Yiwa for September

The chart shows the monthly maximum UV Index (UVI) for Yiwa 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 Yiwa typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec57101515151414121074
Data source: Yiwa 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 Yiwa Compares to Other Months

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

This table compares monthly weather conditions in Yiwa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)14 mm (0.6 inches)81%moderate
February Weather-7°C (20°F)18 mm (0.7 inches)85%high
March Weather-2°C (29°F)37 mm (1.5 inches)85%very high
April Weather3°C (37°F)78 mm (3.1 inches)83%extreme
May Weather7°C (44°F)120 mm (4.7 inches)78%extreme
June Weather10°C (51°F)137 mm (5.4 inches)80%extreme
July Weather13°C (56°F)126 mm (5.0 inches)82%extreme
August Weather13°C (55°F)137 mm (5.4 inches)86%extreme
September Weather9°C (48°F)131 mm (5.2 inches)87%extreme
October Weather3°C (38°F)109 mm (4.3 inches)88%very high
November Weather-4°C (26°F)31 mm (1.2 inches)86%high
December Weather-9°C (16°F)11 mm (0.5 inches)78%moderate

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