September weather forecastSisavan, Armenia

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Sisavan, Armenia, with an average temperature ranging between max 26.6°C (79.9°F) and min 14.1°C (57.4°F).

Temperature

The onset of September results in a decrease in the average high-temperature, receding from a hot 32.4°C (90.3°F) in August to a moderately hot 26.6°C (79.9°F). Sisavan in September observes a sharp transition from the daytime heat, falling to an average low of 14.1°C (57.4°F).

Humidity

In Sisavan, the average relative humidity in September is 42%.

Rainfall

In Sisavan, in September, it is raining for 4.4 days, with typically 9mm (0.35") of accumulated precipitation. In Sisavan, during the entire year, the rain falls for 93.3 days and collects up to 180mm (7.09") of precipitation.

Snowfall

January through March, September and December are months with snowfall. September is the first month it typically snows in Sisavan. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 11.9 snowfall days, and 112mm (4.41") of snow is accumulated.

Daylight

In Sisavan, the average length of the day in September is 12h and 28min.
On the first day of September in Sisavan, sunrise is at 06:29 and sunset at 19:32. On the last day of the month, sunrise is at 06:56 and sunset at 18:45 +04.

Sunshine

In Sisavan, the average sunshine in September is 9.8h.

UV index

In September, the average daily maximum UV index in Sisavan is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

During September, Sisavan experiences an average high-temperature of 26.6°C (79.9°F) and a low-temperature of 14.1°C (57.4°F). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is computed to be 33°C (91.4°F).

In Sisavan, Armenia, the average relative humidity in September is 42%.

In Sisavan, Armenia, in September, it is raining for 4.4 days, with typically 9mm (0.35") of accumulated precipitation.

September is the first month it typically snows in Sisavan, Armenia. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow.

In Sisavan, the average day length in September is 12h and 28min.

In September, on the first day of the month, sunrise is at 06:29 and sunset at 19:32. On the last day of the month, in Sisavan, sunrise is at 06:56 and sunset at 18:45 +04.

In Sisavan, the average sunshine duration in September is 9.8h.

In Sisavan, Armenia, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Sisavan, Armenia

  • Average high temperature in September: 26.6°C

The warmest month (with the highest average high temperature) is July (32.9°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in September: 14.1°C

The months with the highest average low temperature are July and August (18.8°C).
The coldest month (with the lowest average low temperature) is January (-5.2°C).

Average pressure in September
Sisavan, Armenia

  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is December (1023.2mbar).
The month with the lowest atmospheric pressure is July (1010.3mbar).

Average wind speed in September
Sisavan, Armenia

  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is July (7.9km/h).
The calmest month (with the lowest average wind speed) is November (5.6km/h).

Average humidity in September
Sisavan, Armenia

  • Average humidity in September: 42%

The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is August (40%).

Average rainfall in September
Sisavan, Armenia

  • Average rainfall in September: 9mm

The wettest months (with the highest rainfall) are April and May (26mm).
The driest month (with the least rainfall) is November (7mm).

Average rainfall days in September
Sisavan, Armenia

  • Average rainfall days in September: 4.4 days

The month with the highest number of rainy days is April (13.7 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in September
Sisavan, Armenia

  • Average snowfall in September: 1mm

The month with the highest snowfall is February (40mm).
The months with the least snowfall are April, May, June, July, August, October and November (0mm).

Average snowfall days in September
Sisavan, Armenia

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

Average daylight in September /
Average sunshine in September
Sisavan, Armenia

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 48min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in September
Sisavan, Armenia

  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in September
Sisavan, Armenia

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Sisavan, Armenia

  • Average cloud cover in September: 9

The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in September
Sisavan, Armenia

  • Average visibility in September: 10km

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