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September Weather in Langtang, China

Last updated: August 22, 2025

In September, the average temperature in Langtang, China is a pleasant 24°C (75°F). Visitors can expect a minimum of 14°C (58°F) and may experience highs reaching 36°C (97°F). However, prepare for the possibility of rain, as 79 mm (3.1 in) of precipitation often falls over 11 days. With an average humidity of 67%, it's best to stay hydrated and enjoy the comfortable warmth!

September Temperature in Langtang

In September in Langtang, the average temperature is 24°C (75°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 14°C (58°F). This makes Langtang a great destination for travelers seeking pleasant weather and a range of outdoor activities.

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

The chart illustrates September temperature patterns in Langtang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Langtang, September typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec414554627077828275635545
Data source: Temperature data for Langtang 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 Langtang

In Langtang in September, the total precipitation amount is 79 mm (3.1 in), falling over the course of 11 days.

September Precipitation Trends in Langtang

The chart displays monthly precipitation patterns in Langtang, 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 Langtang, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec60731331111811991978779665546
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Langtang

In Langtang in September humidity is 67%. With an average temperature of 24°C (75°F), this humidity feels like a warm and sticky embrace, making traveling a bit uncomfortable as you find yourself seeking shade and refreshing drinks more often.

September Average Humidity in Langtang

This chart illustrates the average monthly humidity levels in Langtang, 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 Langtang is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%72%81%82%86%86%89%87%67%67%75%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Langtang

In Langtang 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 Langtang.

Maximum UV Index Levels in Langtang for September

The chart shows the monthly maximum UV Index (UVI) for Langtang 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 Langtang typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121210975
Data source: Langtang 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 Langtang Compares to Other Months

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

This table compares monthly weather conditions in Langtang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)60 mm (2.4 inches)66%high
February Weather7°C (45°F)73 mm (2.9 inches)72%very high
March Weather12°C (55°F)133 mm (5.2 inches)81%very high
April Weather17°C (62°F)111 mm (4.4 inches)82%extreme
May Weather21°C (70°F)181 mm (7.1 inches)86%extreme
June Weather25°C (77°F)199 mm (7.8 inches)86%extreme
July Weather28°C (82°F)197 mm (7.8 inches)89%extreme
August Weather28°C (82°F)87 mm (3.4 inches)87%extreme
September Weather24°C (75°F)79 mm (3.1 inches)67%very high
October Weather17°C (63°F)66 mm (2.6 inches)67%very high
November Weather13°C (55°F)55 mm (2.2 inches)75%high
December Weather7°C (45°F)46 mm (1.8 inches)75%moderate

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