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September Weather in Ruidian, China

Last updated: August 23, 2025

In September, the average temperature in Ruidian, China is a comfortable 17°C (63°F). Expect the minimum temperature to drop to 8°C (47°F), while the maximum can reach as high as 25°C (77°F). Be prepared for rainfall, as the average precipitation amounts to 265 mm (10.4 in) spread over 28 days. With average humidity hovering around 88%, it's essential to stay hydrated and plan your activities accordingly!

September Temperature in Ruidian

In September in Ruidian, the average temperature is 17°C (63°F). Maximum temperatures can reach 25°C (77°F), while the minimum can dip as low as 8°C (47°F). This mild climate makes it a great time for outdoor exploration and sightseeing.

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

The chart illustrates September temperature patterns in Ruidian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ruidian, September typically has an average temperature of 17°C (63°F), with highs reaching up to 25°C (77°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec434449545964646563595145
Data source: Temperature data for Ruidian 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 Ruidian

In Ruidian in September, the total precipitation amount is 265 mm (10.4 in) recorded over a period of 28 days.

September Precipitation Trends in Ruidian

The chart displays monthly precipitation patterns in Ruidian, 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 Ruidian, September typically receives around 265 mm (10.4 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec48901491922283634863862651863831
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ruidian

In Ruidian in September, humidity is 88%. With an average temperature of 17°C (63°F), this humidity feels like a thick blanket enveloping you, making outdoor activities feel stifling and sticky, potentially dampening the joy of exploration and requiring frequent breaks for hydration.

September Average Humidity in Ruidian

This chart illustrates the average monthly humidity levels in Ruidian, 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 Ruidian is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%45%48%74%88%93%91%88%86%85%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ruidian

In Ruidian in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Ruidian, you can check here.

Maximum UV Index Levels in Ruidian for September

The chart shows the monthly maximum UV Index (UVI) for Ruidian 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 Ruidian typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111314151615141297
Data source: Ruidian 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 Ruidian Compares to Other Months

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

This table compares monthly weather conditions in Ruidian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)48 mm (1.9 inches)65%high
February Weather7°C (45°F)90 mm (3.5 inches)69%very high
March Weather10°C (50°F)149 mm (5.9 inches)44%extreme
April Weather12°C (54°F)192 mm (7.6 inches)48%extreme
May Weather15°C (59°F)228 mm (9.0 inches)74%extreme
June Weather18°C (64°F)363 mm (14.3 inches)88%extreme
July Weather18°C (65°F)486 mm (19.1 inches)93%extreme
August Weather18°C (65°F)386 mm (15.2 inches)91%extreme
September Weather17°C (63°F)265 mm (10.4 inches)88%extreme
October Weather15°C (60°F)186 mm (7.3 inches)86%extreme
November Weather10°C (51°F)38 mm (1.5 inches)85%very high
December Weather7°C (45°F)31 mm (1.2 inches)79%high

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