September weather - Autumn 2023 - Namche Bazar, Nepal

Weather in September
Frequently asked questions
Average temperature in September
Average pressure in September
Average wind speed in September
Average humidity in September
Average rainfall in September
Average rainfall days in September
Average snowfall in September
Average snowfall days in September
Average daylight in September
Average sunshine in September
Average sunshine days in September
Average UV index in September
Average cloud cover in September
Average visibility in September

Buildings in the district of Khumbu in Namche Bazar, Nepal, looking towards the gorgeous Himalayas

Weather in September

As September unfolds, Namche Bazar witnesses a gradual shift from summer towards autumn. With a significant drop in rainfall to 151mm, the city starts shedding the summer's wetness. Concurrently, the temperatures slowly descend, with colder nights making their presence felt. Though autumn starts setting in, the days still hold onto the remnants of summer warmth. The dwindling humidity, coupled with decreasing cloud cover, brings back the sharper sunlight.

Temperature

Namche Bazar's average high-temperature marks a still frosty 6.7°C with the advent of September, closely mirroring that of the preceding month. Throughout the nights in September, Namche Bazar experiences an average low-temperature of 1.5°C.

Humidity

The average relative humidity in September in Namche Bazar is 87%.

Rainfall

In Namche Bazar, during September, the rain falls for 23.1 days and regularly aggregates up to 151mm of precipitation. Throughout the year, in Namche Bazar, there are 142.4 rainfall days, and 1198mm of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In Namche Bazar, Nepal, in September, snow falls for 16.8 days, with typically accumulated 387mm of snow. Throughout the year, there are 164.1 snowfall days, and 3078mm of snow is accumulated.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of September in Namche Bazar, sunrise is at 5:36 am and sunset at 6:19 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 5:46 pm +0545.

Sunshine

In September, the average sunshine is 7.6h.

UV index

The months with the highest UV index are January through April, June through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 2 suggests these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

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FAQ

How cold does it get in Namche Bazar in September?

In September, in Namche Bazar, the average high-temperature is 6.7°C, and the average low-temperature is 1.5°C.

What is the average humidity in September in Namche Bazar?

In September, the average relative humidity is 87%.

How much does it rain in Namche Bazar in September?

In September, in Namche Bazar, Nepal, the rain falls for 23.1 days. Throughout September, 151mm of precipitation is accumulated.

How much does it snow in Namche Bazar in September?

In September, in Namche Bazar, it is snowing for 16.8 days. Throughout September, 387mm of snow is accumulated.

What is the average length of the day in September in Namche Bazar?

In Namche Bazar, Nepal, the average day length in September is 12h and 20min.

When is the sunrise / sunset in September in Namche Bazar?

In September, on the first day of the month, sunrise is at 5:36 am and sunset at 6:19 pm. On the last day of the month, in Namche Bazar, Nepal, sunrise is at 5:50 am and sunset at 5:46 pm +0545.

How many hours of sunshine does Namche Bazar have in September?

In September, the average sunshine duration in Namche Bazar, Nepal, is 7.6h.

What is the month with the highest UV index in Namche Bazar?

The months with the highest UV index are January through April, June through December, with an average maximum UV index of 2.

How high is the UV index in September in Namche Bazar?

In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

8°C

6.7°C

3.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.5km/h

7.6km/h

9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

0.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Namche Bazar, Nepal

Average high temperature in September: 6.7°C

The warmest month (with the highest average high temperature) is July (8.3°C).
The month with the lowest average high temperature is January (-3.9°C).

Average low temperature in September: 1.5°C

The month with the highest average low temperature is July (5°C).
The coldest month (with the lowest average low temperature) is January (-14.7°C).

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Average pressure in September
Namche Bazar, Nepal

Average pressure in September: 1011.3mbar

The month with the highest atmospheric pressure is January (1017.6mbar).
The month with the lowest atmospheric pressure is July (1006.3mbar).

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Average wind speed in September
Namche Bazar, Nepal

Average wind speed in September: 7km/h

The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).

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Average humidity in September
Namche Bazar, Nepal

Average humidity in September: 87%

The month with the highest relative humidity is July (92%).
The month with the lowest relative humidity is December (41%).

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Average rainfall in September
Namche Bazar, Nepal

Average rainfall in September: 151mm

The wettest month (with the highest rainfall) is July (312mm).
The driest month (with the least rainfall) is November (8mm).

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Average rainfall days in September
Namche Bazar, Nepal

Average rainfall days in September: 23.1 days

The month with the highest number of rainy days is August (31 days).
The month with the least rainy days is December (1.3 days).

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Average snowfall in September
Namche Bazar, Nepal

Average snowfall in September: 387mm

The month with the highest snowfall is May (614mm).
The month with the least snowfall is November (51mm).

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Average snowfall days in September
Namche Bazar, Nepal

Average snowfall days in September: 16.8 days

The month with the highest number of snowfall days is May (24.4 days).
The month with the least snowfall days is December (3.7 days).

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Average daylight in September /
Average sunshine in September
Namche Bazar, Nepal

Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

Average sunshine in September: 7h and 4min

The month with the most sunshine is April (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 12min).

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Average sunshine days in September
Namche Bazar, Nepal

Average sunshine days in September: 0.2 days

The month with the most sunshine days is December (26.4 days).
The months with the least sunshine days are July and August (0 days).

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Average UV index in September
Namche Bazar, Nepal

Average UV index in September: 2

The months with the highest UV index are January, February, March, April, June, July, August, September, October, November and December (UV index 2).
The month with the lowest UV index is May (UV index 1).

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Average cloud cover in September
Namche Bazar, Nepal

Average cloud cover in September: 48

The month with the most cloud cover is July (Cloud cover 71).
The month with the least cloud cover is December (Cloud cover 7).

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Average visibility in September
Namche Bazar, Nepal

Average visibility in September: 8km

The months with the highest visibility are January, February and December (10km).
The months with the lowest visibility are July and August (7km).

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September weather forecast
Namche Bazar, Nepal

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