September weather forecast
Jomsom, Nepal

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The lake Dhumba in Jomsom, Nepal, with a background landscape of the vast mountains
The lake Dhumba in Jomsom, Nepal, with a background landscape of the vast mountains

Weather in September

September brings a decrease in rainfall intensity, marking the end of the monsoon season in Jomsom. Temperatures hover from a chilly 3°C (37.4°F) to a pleasant 15°C (59°F). With the retreating rains, the terrains of Jomsom start to dry, and a significant change in the landscape is noticeable. The balance of sunlight, reduced rain and mild temperatures makes September a popular month for tourists. There is a dramatic reduction in rainfall days from August, effectively halving the number of rainy days.

Temperature

Jomsom's average high-temperature in September sits at a still refreshing 15°C (59°F), showing little difference from the previous month. Throughout September, Jomsom registers a distinct decrease from daytime highs, reaching an average low of 3°C (37.4°F).

Rainfall

In Jomsom, Nepal, during September, the rain falls for 14 days and regularly aggregates up to 72mm (2.83") of precipitation. In Jomsom, during the entire year, the rain falls for 104 days and collects up to 659mm (25.94") of precipitation.

Daylight

The average length of the day in September in Jomsom, Nepal, is 12h and 20min.
On the first day of September, sunrise is at 5:48 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 5:57 pm +0545.

Sunshine

In Jomsom, Nepal, the average sunshine in September is 5h.

UV index

April through September, with an average maximum UV index of 12, are months with the highest UV index in Jomsom. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 12 during September, leads to the following recommendations:
Carry out every crucial safety measure. People with fair skin may sustain burns in fewer than 5 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What is the average September temperature in Jomsom?

The high-temperature, in September, in Jomsom, is 15°C (59°F), while the low-temperature averages to 3°C (37.4°F).

How many days does it rain in September in Jomsom?

In September, the rain falls for 14 days. Throughout September, 72mm (2.83") of precipitation is accumulated.

How many hours of daylight does Jomsom have in September?

The average day length in September is 12h and 20min.

When is the sunrise / sunset in September in Jomsom?

In September, on the first day of the month, sunrise is at 5:48 am and sunset at 6:31 pm. On the last day of the month, in Jomsom, Nepal, sunrise is at 6:02 am and sunset at 5:57 pm +0545.

How many hours of sunshine does Jomsom have in September?

In September, the average sunshine duration is 5h.

What is the month with the highest UV index in Jomsom?

April through September, with an average maximum UV index of 12, are months with the highest UV index in Jomsom.

What is the UV index reading in September in Jomsom?

In Jomsom, the average daily maximum UV index in September is 12. A UV Index reading of 11, and higher, represents an excessive health risk from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Jomsom, Nepal

Average temperature in September - Jomsom, Nepal
  • Average high temperature in September: 15°C

The warmest months (with the highest average high temperature) are June and July (17°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in September: 3°C

The months with the highest average low temperature are July and August (6°C).
The coldest month (with the lowest average low temperature) is January (-14°C).

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Average rainfall in September
Jomsom, Nepal

Average rainfall in September - Jomsom, Nepal
  • Average rainfall in September: 72mm

The wettest month (with the highest rainfall) is August (112mm).
The driest month (with the least rainfall) is November (14mm).

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Average rainfall days in September
Jomsom, Nepal

Average rainfall days in September - Jomsom, Nepal
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (21 days).
The months with the least rainy days are November and December (2 days).

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Average daylight in September /
Average sunshine in September
Jomsom, Nepal

Average daylight in September / Average sunshine in September - Jomsom, 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 18min).

  • Average sunshine in September: 5h

The month with the most sunshine is April (Average sunshine: 9h).
The months with the least sunshine are July and August (Average sunshine: 4h).

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Average UV index in September
Jomsom, Nepal

Average UV index in September - Jomsom, Nepal
  • Average UV index in September: 12

The months with the highest UV index are April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 5).

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Jomsom, Nepal

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