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Nepal’s weather in September

Beautiful Landscape view Chagunarayan Temple
While Nepal could still experience a few rainy days, the weather in September is mostly balmy warm

September marks the end of the monsoon season in Nepal. While you can still expect some scattered downpours at this time of year, they generally tend to wane over the course of the month. This leaves the sky clearer and the air fresher than before the onset of the rainy season.

The temperature in Nepal in the month of September sees quite a lot of variation depending on where you are traveling to. The Terai region, which consists of cities like Chitwan and Lumbini, sees temperatures between 25°C and 35°C. You may feel a bit of the heat if you decide to take a safari tour in the national parks of Chitwan and Bardiya. Meanwhile, the average daily temperature in cities like Kathmandu, which lies in the hilly region, hovers at around 24°C, making it perfect for sightseeing tours. Temperatures in high-altitude areas like Namche Bazaar range from 6°C to 15°C during this time of year.

For a more seasonal overview, check out our travel guide on the best times to visit Nepal.

Weather in Nepal in September - Rainfall and Temperatures

Avg Daily (°C)192125282929282928272420
Avg Nightly (°C)2581216192020191384
Avg Daily (°F)667077828484828482817568
Avg Nightly (°F)364146546166686866554639
Avg Rainfall (mm)1419346112423636333120051813

Why visit Nepal in September

Young woman crossing suspension bridge in Annapurna Base Camp, Nepal
As the tourist season just begins to kick off in September, you are likely to encounter fewer crowds on many trekking routes
People playing on a bamboo swing
September marks the beginning of the festive season in Nepal. Take part with the locals by flying kites and swinging on bamboo swings

The arrival of September means the beginning of the autumn tourist season in Nepal, which lasts until the end of November. Here are a few of the many reasons why you should visit Nepal in September despite the relatively wet weather.

  • Peaceful trails: Since the trekking season does not reach its peak until October, the number of trekkers in September is comparatively low. Therefore, it is one of the most suitable times to enjoy trekking and hiking in Nepal. Going on a trek to Mardi Himal, Poon Hill, or going on a Langtang Valley trek during this time allows for a more peaceful and relaxing experience compared to going during October and November.
  • Crystal-clear vistas: The highlight of every trip to Nepal is the beauty of the country. Hills are verdant after monsoon during September and mountains—sans smoke and pollution—glisten in the warm afternoon sun. September is one of the best times to take in the country’s natural beauty, especially from its hill-top towns like Nagarkot and Bandipur.
  • Festive season: September is also the month when the festive season kicks off in Nepal. The whole country prepares to celebrate Dashain, the most revered and anticipated festival in the country’s calendar. This makes September a great time to experience Nepalese culture. Make sure to take part in celebrations and fly kites with locals while you are there.
  • Rafting opportunities: Nepal’s major rivers flow downhill from the Himalayas. Their current reaches its peak during monsoon and subsides with the end of the rainy season. Make sure that you grab this chance and go on a rafting or kayaking trip in one of the country’s numerous rivers

Where to go and what to do

Pokahra known as the paradise of Nepal has activities for everyone.
Enjoy photographic views of Phewa Lake Sarangkot in Pokhara

In addition to some of the most popular trekking routes in the world, Nepal in September offers an expansive range of choices for travelers of all kinds. If you are looking to delve into the more cultural side of the country, a trip to Lumbini along with an exploration of the Kathmandu Valley should definitely be on your list. Marvel at the ornate architecture of stupas, temples, and monasteries that the country is known for. Then go on a safari trip in Chitwan National Park, home to some of the most endangered animal species on the planet, including the magnificent Royal Bengal tiger. Ride a canoe through its river and spot crocodiles and alligators along the way. For more ideas, make sure to go through our travel guide on the things to do while in Nepal.

As with the other months of the year, traveling to Nepal in September has its own set of benefits, like fewer crowds and a cleaner atmosphere. However, Nepal is a country that is rich in history, culture, cuisine, and landscape — all of which make it an ideal, year-round destination. Check out our travel guide on how many days to spend in Nepal for more ideas and insights. Make sure to get in touch with our travel experts for a customized trip to Nepal.

Other Related Articles:
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Nepal in October
Nepal private tours
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Nepal tours in September
Published by Lucas Toft, updated on November 22, 2023

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