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September Weather in Rongbo, China

Last updated: August 22, 2025

In September, the average temperature in Rongbo, China hovers around 6°C (44°F). Prepare for a range that can dip as low as -11°C (13°F) and soar to a maximum of 17°C (63°F). Expect significant rainfall, with 164 mm (6.4 in) of precipitation spread over 27 days, contributing to an average humidity of 90%. Be ready for a damp and chilly experience!

September Temperature in Rongbo

In September in Rongbo, the average temperature is 6°C (44°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop as low as -11°C (13°F). Be prepared for a mix of mild and chilly weather if you plan to travel during this time.

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

The chart illustrates September temperature patterns in Rongbo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rongbo, September typically has an average temperature of 6°C (44°F), with highs reaching up to 17°C (63°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec-8-17172940484844271-8
Data source: Temperature data for Rongbo 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 Rongbo

In Rongbo in September, the precipitation amount is 164 mm (6.4 in) during 27 days, creating a consistently wet atmosphere throughout the month.

September Precipitation Trends in Rongbo

The chart displays monthly precipitation patterns in Rongbo, 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 Rongbo, September typically receives around 164 mm (6.4 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec14243738801492111761641113823
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rongbo

In Rongbo in September humidity is 90%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions uncomfortable and requiring extra layers to stay warm and dry while exploring.

September Average Humidity in Rongbo

This chart illustrates the average monthly humidity levels in Rongbo, 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 Rongbo is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%68%62%63%78%87%91%90%90%78%63%61%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rongbo

In Rongbo in September, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Rongbo.

Maximum UV Index Levels in Rongbo for September

The chart shows the monthly maximum UV Index (UVI) for Rongbo 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 Rongbo typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec8101517201916161613117
Data source: Rongbo 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 Rongbo Compares to Other Months

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

This table compares monthly weather conditions in Rongbo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-22°C (-7°F)14 mm (0.5 inches)58%very high
February Weather-18°C (0°F)24 mm (1.0 inches)68%very high
March Weather-14°C (8°F)37 mm (1.5 inches)62%extreme
April Weather-8°C (17°F)38 mm (1.5 inches)63%extreme
May Weather-2°C (29°F)80 mm (3.2 inches)78%extreme
June Weather5°C (41°F)149 mm (5.9 inches)87%extreme
July Weather9°C (48°F)211 mm (8.3 inches)91%extreme
August Weather9°C (49°F)176 mm (6.9 inches)90%extreme
September Weather6°C (44°F)164 mm (6.4 inches)90%extreme
October Weather-3°C (27°F)111 mm (4.4 inches)78%extreme
November Weather-17°C (1°F)38 mm (1.5 inches)63%extreme
December Weather-22°C (-7°F)23 mm (0.9 inches)60%high

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