Kathmandu weather in September (Nepal)

What can you expect from the weather in Kathmandu during September? Here's what the weather might have in store during this month.

In September, Kathmandu generally has high temperatures and heavy rainfall. Anticipate daytime temperatures around 26°C, while night temperatures can drop to 19°C.

Kathmandu in September falls under the rainy season with heavy rainfall, averaging around 336 mm for the month. Rain is expected on roughly 10 days.

The city usually sees around 133 hours of sunlight, indicating a moderately sunny period.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Kathmandu. March, April, October, November and December typically offer the best circumstances. While June, July, August and September tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Kathmandu climate page with graphs.

 

Kathmandu, monthly averages in September

Min Temperature 19°C  

Max Temperature 26°C  

Chance of Rain 34%  

Precipitation 336 mm  

Rainy days 10 days  

Humidity 82% *  

Windspeed *  

Sunshine 133 hours *  

Percentage Sunshine *  

* Data from: Katmandu, Nepal (4 KM, 2 Miles).

Where to go in Nepal in September

Find out more about the weather in Nepal in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Kathmandu in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Kathmandu.

Our site offers climate and forecast data for every country in the world. Are you going to Nepal? On this website you can find historical weather averages for many cities in Nepal. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.