Yerevan
Armenia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Yerevan, Armenia

The view of Yerevan, Armenia at sunrise, with a view of the snow-capped Ararat Mountain, and cloudy skies in the far background
The view of Yerevan, Armenia at sunrise, with a view of the snow-capped Ararat Mountain, and cloudy skies in the far background
The first month of the autumn, September, is also a moderately hot month in Yerevan, Armenia, with temperature in the range of an average low of 13.4°C (56.1°F) and an average high of 28.7°C (83.7°F).

Temperature

In Yerevan, the average high-temperature marginally drops, from a tropical 33.4°C (92.1°F) in August, to a moderately hot 28.7°C (83.7°F). The average low-temperature, in September, is 13.4°C (56.1°F).

Humidity

In Yerevan, the average relative humidity in September is 51%.

Rainfall

The month with the least rainfall in Yerevan is September when the rain falls for 4 days and typically collects 8mm (0.3") of precipitation.

Snowfall

In Yerevan, in September, it doesn't snow. In October, it regularly snows. In Yerevan, during the entire year, snow falls for 22.3 days.

Daylight

The average length of the day in Yerevan is 12.5h.

Sunshine

The average sunshine in Yerevan, Armenia, is 9.3h.

UV index

In September, the average daily maximum UV index in Yerevan is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Yerevan?

The average high-temperature, in September, in Yerevan, is 28.7°C (83.7°F), while the average low-temperature is 13.4°C (56.1°F).

What is the average humidity in September in Yerevan?

The average relative humidity in September in Yerevan, Armenia, is 51%.

How much does it rain in Yerevan in September?

In Yerevan, in September, during 4 rainfall days, 8mm (0.3") of precipitation is typically accumulated.

What is the driest month in Yerevan?

September is the month with the least rainfall in Yerevan, Armenia. Rain falls for 4 days and accumulates 8mm (0.3") of precipitation.

Does it snow in Yerevan in September?

In Yerevan, Armenia, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Yerevan have in September?

In September, the average length of the day in Yerevan is 12.5h.

How long on average sun shines in September in Yerevan?

In Yerevan, the average sunshine in September is 9.3h.

How high is the UV index in September in Yerevan?

In Yerevan, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Yerevan, Armenia
  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is July (33.7°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in September: 13.4°C

The month with the highest average low temperature is July (19.4°C).
The coldest month (with the lowest average low temperature) is January (-7.5°C).

Average humidity in September - Yerevan, Armenia
  • Average humidity in September: 51%

The month with the highest relative humidity is January (81%).
Months with the lowest relative humidity are July and August (47%).

Average rainfall in September - Yerevan, Armenia
  • Average rainfall in September: 8mm

The wettest month (with the highest rainfall) is April (51mm).
The driest month (with the lowest rainfall) is September (8mm).

Average rainfall days in September - Yerevan, Armenia
  • Average rainfall days in September: 4 days

Months with the highest number of rainy days are April and May (12 days).
The month with the lowest number of rainy days is January (2 days).

Average snowfall days in September - Yerevan, Armenia
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January and February (7 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Yerevan, Armenia
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9.3h

The month with most sunshine is July (Average sunshine: 11.1h).
Months with least sunshine are January and December (Average sunshine: 3).

Average UV index in September - Yerevan, Armenia
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 2).