Nepal Weather in September

Nepal weather in September starts to become pleasant. In the early month, there are great possibilities of the showers; as the days go on, the weather becomes mild and dry. This month enters the best time of the year to travel to Nepal, during which you can take part in various outdoor activities again and appreciate the grand relics of cities.
The hottest cities in Nepal in September:
  Janakpur: 34℃ (93.2℉)
The coldest cities in Nepal in September:
  Bhaktapur: 16℃ (60.8℉)

Averages for Nepal Weather in September

High Temperature
27°C (80.6°F)
Low Temperature
18°C (64.4°F)
183 mm (7.2 in)
05:43 ~ 05:56
17:51 ~ 18:24

September Temperatures in Nepal
What to Wear
You should take some comfortable cotton clothing like t-shirts, shorts and dress. In addition, bring a long-sleeve t-shirt or a thin overcoat for the night time. If you plan to go trekking, professional and suitable hiking shoes, quick-drying cloths and warm clothes like jacket are necessary.
September Travel Guide – Where to Go & Tips

Tourism Rate: 

Sun Kosi River Rafting:

The entrance is a 3-hour drive from Kathmandu. The whole journey is 270 kilometers (170 amiles); and the drifting takes 8-10 days. The best rafting time is June and September to November. From the 3rd day of rafting, you can expect the big waves and ever changing scenery ensures you a thrilling and exciting experience.

Kali Gandaki River Rafting:

Starting from Kali Goshi and ending in the lakeside town Pokhara, this rafting lasts 5 days and the best drift time is September to November. The rafting along the road is turbulent and the scenery is magnificent, with a total distance of 120 kilometers (75miles), thrilling and exciting. This route is easy for some river rafting beginners. And you can visit the Chitwan National Park by the way.

Everest Base Camp Trek:

Most people departure from Lukla and the whole route takes about 14 days. This route offers great insights of the Tibetan Buddhism culture and beautiful scenery.

Langtang Valley Trek:

It usually takes about 10-12 days and is a less-touristy trail. This route is rich in ecological resources and you can observe diverse flora and animals.


As the capital of Nepal, there are many historical relics worth visiting like Kathmandu Durbar Square and Boudhanath Stupa. People can appreciate the glory of Nepalese civilization.
September Weather of Major Nepal Cities
Temperature Sunrise / Sunset Humidity
High Low
22°C/ 71.6°F 16°C / 60.8°F 07:25/ 17:32 44
26°C / 78.8°F 18°C / 64.4°F 07:20/ 18:07 84
33°C / 91.4°F 28°C / 82.4°F 07:56/ 18:38 79
29°C / 84.2°F 19°C / 66.2°F 07:45/ 18:30 83
27°C / 80.6°F 20°C / 68°F 07:08/ 18:13 72
32°C / 89.6°F 24°C / 75.2°F 07:23/ 18:22 73
34°C / 93.2°F
26°C / 78.8°F 07:41/ 18:34 79
29°C / 84.2°F 19°C / 66.2°F 06:51/ 17:35 75
31°C / 87.8°F 15°C / 59°F 06:58/ 16:36 72
23°C / 73.4°F   8°C / 46.4°F 07:44/ 17:48 57
26°C / 78.8°F 13°C / 55.4°F 07:03/ 18:11 74
22°C / 71.6°F 8°C / 46.4°F 06:56/ 17:43 65
29°C / 84.2°F
19°C / 66.2°F
05:48/ 18:30