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September Weather in Walin, Nepal

Last updated: August 31, 2025

In Walin, Nepal, the average temperature in September hovers around 24°C (75°F), with lows dipping to 17°C (64°F) and highs reaching up to 31°C (89°F). Expect 556 mm (21.9 in) of precipitation spread over 27 days, contributing to a notably high average humidity of 91%. Embrace the tropical vibe while preparing for wet days ahead!

September Temperature in Walin

In September, in Walin, the average temperature is 24°C (75°F), with maximums reaching up to 31°C (89°F) and minimums dropping as low as 17°C (64°F). This mild climate makes it an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Walin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walin, September typically has an average temperature of 24°C (75°F), with highs reaching up to 31°C (89°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec525764697175767675716355
Data source: Temperature data for Walin 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 Walin

In Walin in September, the total precipitation amount is 556 mm (21.9 in) distributed over 27 days.

September Precipitation Trends in Walin

The chart displays monthly precipitation patterns in Walin, 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 Walin, September typically receives around 556 mm (21.9 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec495369102223549871773556771331
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Walin

In Walin in September humidity is 91%. With an average temperature of 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making traveling quite uncomfortable as you’ll likely feel drenched in sweat and sluggish after just a short walk.

September Average Humidity in Walin

This chart illustrates the average monthly humidity levels in Walin, 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 Walin is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%55%39%24%36%65%90%91%91%86%79%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Walin

In Walin in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Walin.

Maximum UV Index Levels in Walin for September

The chart shows the monthly maximum UV Index (UVI) for Walin 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 Walin typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5691011131413111075
Data source: Walin 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 Walin Compares to Other Months

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

This table compares monthly weather conditions in Walin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)49 mm (1.9 inches)65%moderate
February Weather14°C (57°F)53 mm (2.1 inches)55%high
March Weather18°C (64°F)69 mm (2.7 inches)39%very high
April Weather20°C (69°F)102 mm (4.0 inches)24%very high
May Weather22°C (72°F)222 mm (8.8 inches)36%extreme
June Weather24°C (75°F)549 mm (21.6 inches)65%extreme
July Weather24°C (76°F)871 mm (34.3 inches)90%extreme
August Weather25°C (76°F)773 mm (30.4 inches)91%extreme
September Weather24°C (75°F)556 mm (21.9 inches)91%extreme
October Weather21°C (71°F)77 mm (3.0 inches)86%very high
November Weather17°C (63°F)13 mm (0.5 inches)79%high
December Weather13°C (56°F)31 mm (1.2 inches)75%moderate

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