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September Weather in Longwen, China

Last updated: August 22, 2025

In Longwen, China, the average temperature in September reaches a warm 28°C (82°F), with extremes ranging from a cool 17°C (64°F) to a scorching 38°C (101°F). Expect about 105 mm (4.1 in) of precipitation over 14 days, contributing to an average humidity of 61%. Perfect for those who enjoy a blend of warmth and occasional refreshing showers!

September Temperature in Longwen

In September in Longwen, the average temperature is 28°C (82°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop to as low as 17°C (64°F). This makes Longwen an ideal destination for travelers looking to enjoy warm weather along with some cooler evenings.

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

The chart illustrates September temperature patterns in Longwen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longwen, September typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (101°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec575865707781848382756758
Data source: Temperature data for Longwen 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 Longwen

In Longwen in September, the precipitation amount is 105 mm (4.1 in) over the course of 14 days.

September Precipitation Trends in Longwen

The chart displays monthly precipitation patterns in Longwen, 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 Longwen, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec3461125137196285114192105373221
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Longwen

In Longwen in September, humidity is 61%. With an average temperature of 28°C (82°F), this humidity feels like a warm, heavy blanket wrapped around you, making outdoor activities sweat-inducing but still enjoyable for those who appreciate the tropical vibe.

September Average Humidity in Longwen

This chart illustrates the average monthly humidity levels in Longwen, 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 Longwen is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%70%77%76%85%80%87%84%61%62%67%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Longwen

In Longwen 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 Longwen.

Maximum UV Index Levels in Longwen for September

The chart shows the monthly maximum UV Index (UVI) for Longwen 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 Longwen typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213131314121097
Data source: Longwen 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 Longwen Compares to Other Months

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

This table compares monthly weather conditions in Longwen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)34 mm (1.3 inches)66%high
February Weather14°C (58°F)61 mm (2.4 inches)70%very high
March Weather18°C (65°F)125 mm (4.9 inches)77%extreme
April Weather21°C (71°F)137 mm (5.4 inches)76%extreme
May Weather25°C (77°F)196 mm (7.7 inches)85%extreme
June Weather27°C (81°F)285 mm (11.2 inches)80%extreme
July Weather29°C (84°F)114 mm (4.5 inches)87%extreme
August Weather28°C (83°F)192 mm (7.6 inches)84%extreme
September Weather28°C (82°F)105 mm (4.1 inches)61%extreme
October Weather24°C (75°F)37 mm (1.4 inches)62%very high
November Weather19°C (67°F)32 mm (1.2 inches)67%very high
December Weather14°C (58°F)21 mm (0.8 inches)74%high

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