September weather forecastGasa, Bhutan

September

Weather in September

September ushers in reduced rainfall—a mere 103mm (4.06") over 20.5 days on average—marking the end of the monsoon season. However, the humidity continues to hover at 80%, reminiscent of the recent rains. This month is a cusp between summer and autumn, where temperatures are still reminiscent of the summer heat but gradually cooling. Days remain reasonably long, providing ample time for outdoor pursuits. The skies clear up as the month progresses, offering unobstructed panoramas of Gasa.

Temperature

September's commencement in Gasa is accompanied by an average high-temperature of a still refreshing 15.9°C (60.6°F), diverging marginally from August's 17.8°C (64°F). Throughout September, an average nighttime temperature of 10°C (50°F) is experienced.

Humidity

In Gasa, the average relative humidity in September is 80%.

Rainfall

In September, the rain falls for 20.5 days. Throughout September, 103mm (4.06") of precipitation is accumulated. In Gasa, during the entire year, the rain falls for 186.7 days and collects up to 863mm (33.98") of precipitation.

Snowfall

In Gasa, Bhutan, snow does not fall in June through October.

Daylight

In Gasa, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 05:39 and sunset at 18:21. On the last day of September, sunrise is at 05:52 and sunset at 17:47 +06.

Sunshine

In September, the average sunshine is 9.9h.

UV index

The months with the highest UV index in Gasa, Bhutan, are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

The average high-temperature, in September, in Gasa, is 15.9°C (60.6°F), while the average low-temperature is 10°C (50°F).

In Gasa, the average relative humidity in September is 80%.

In Gasa, in September, during 20.5 rainfall days, 103mm (4.06") of precipitation is typically accumulated.

In Gasa, Bhutan, snow does not fall in June through October.

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

In September, on the first day of the month, sunrise is at 05:39 and sunset at 18:21. On the last day of the month, in Gasa, Bhutan, sunrise is at 05:52 and sunset at 17:47 +06.

The average sunshine duration in September in Gasa, Bhutan, is 9.9h.

The months with the highest UV index in Gasa, Bhutan, are May through September, with an average maximum UV index of 4.

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Gasa, Bhutan

  • Average high temperature in September: 15.9°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 10°C

The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).

Average pressure in September
Gasa, Bhutan

  • Average pressure in September: 1011.6mbar

The month with the highest atmospheric pressure is January (1016.9mbar).
The month with the lowest atmospheric pressure is July (1006.8mbar).

Average wind speed in September
Gasa, Bhutan

  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is April (8.6km/h).
The calmest month (with the lowest average wind speed) is October (6.4km/h).

Average humidity in September
Gasa, Bhutan

  • Average humidity in September: 80%

The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are January and February (57%).

Average rainfall in September
Gasa, Bhutan

  • Average rainfall in September: 103mm

The wettest month (with the highest rainfall) is July (196mm).
The driest month (with the least rainfall) is December (7mm).

Average rainfall days in September
Gasa, Bhutan

  • Average rainfall days in September: 20.5 days

The month with the highest number of rainy days is July (27.3 days).
The month with the least rainy days is January (4.2 days).

Average snowfall in September
Gasa, Bhutan

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (146mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September
Gasa, Bhutan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (8.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Gasa, Bhutan

  • Average daylight in September: 12h and 18min

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: 9h and 54min

The month with the most sunshine is April (Average sunshine: 11h and 12min).
The months with the least sunshine are January, February and November (Average sunshine: 7h and 24min).

Average sunshine days in September
Gasa, Bhutan

  • Average sunshine days in September: 6.6 days

The month with the most sunshine days is January (22.9 days).
The months with the least sunshine days are May and June (2.8 days).

Average UV index in September
Gasa, Bhutan

  • Average UV index in September: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Gasa, Bhutan

  • Average cloud cover in September: 36

The month with the most cloud cover is July (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 14).

Average visibility in September
Gasa, Bhutan

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).