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.