September weather forecastErebuni, Armenia

September

Weather in September

September, the first month of the autumn in Erebuni, is also a moderately hot month, with an average temperature fluctuating between 13.7°C (56.7°F) and 25.8°C (78.4°F).

Temperature

The average high-temperature drops in September, from August's hot 30.9°C (87.6°F) to a warm 25.8°C (78.4°F). Erebuni's average nighttime temperature descends significantly from the day's peak in September, settling at a refreshing 13.7°C (56.7°F).

Humidity

The average relative humidity in September is 48%.

Rainfall

In September, in Erebuni, the rain falls for 9.9 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 140.7 rainfall days, and 322mm (12.68") of precipitation is accumulated.

Snowfall

January through April, September, November and December are months with snowfall. September is the first month it typically snows in Erebuni. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Erebuni, during the entire year, snow falls for 20 days and aggregates up to 156mm (6.14") of snow.

Daylight

In Erebuni, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 06:29 and sunset at 19:33. On the last day of September, sunrise is at 06:57 and sunset at 18:45 +04.

Sunshine

In Erebuni, the average sunshine in September is 9.7h.

UV index

The average daily maximum UV index in September in Erebuni is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

During September, Erebuni experiences an average high-temperature of 25.8°C (78.4°F) and a low-temperature of 13.7°C (56.7°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 32°C (89.6°F).

In September, the average relative humidity in Erebuni, Armenia, is 48%.

In September, in Erebuni, the rain falls for 9.9 days. Throughout September, 28mm (1.1") of precipitation is accumulated.

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

The average day length in September is 12h and 28min.

On the first day of September, sunrise is at 06:29 and sunset at 19:33. On the last day of the month, sunrise is at 06:57 and sunset at 18:45 +04.

In Erebuni, Armenia, the average sunshine duration in September is 9.7h.

In Erebuni, Armenia, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Erebuni, Armenia

  • Average high temperature in September: 25.8°C

The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is January (2.1°C).

  • Average low temperature in September: 13.7°C

The months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average pressure in September
Erebuni, Armenia

  • Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is December (1023.3mbar).
The month with the lowest atmospheric pressure is July (1010.5mbar).

Average wind speed in September
Erebuni, Armenia

  • Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is August (8.1km/h).
The calmest month (with the lowest average wind speed) is November (5.2km/h).

Average humidity in September
Erebuni, Armenia

  • Average humidity in September: 48%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (45%).

Average rainfall in September
Erebuni, Armenia

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is November (9mm).

Average rainfall days in September
Erebuni, Armenia

  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (6.7 days).

Average snowfall in September
Erebuni, Armenia

  • Average snowfall in September: 1mm

The month with the highest snowfall is February (59mm).
The months with the least snowfall are May, June, July, August and October (0mm).

Average snowfall days in September
Erebuni, Armenia

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

Average daylight in September /
Average sunshine in September
Erebuni, 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 42min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in September
Erebuni, Armenia

  • Average sunshine days in September: 10.1 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (4.3 days).

Average UV index in September
Erebuni, Armenia

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Erebuni, Armenia

  • Average cloud cover in September: 11

The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in September
Erebuni, 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).