September weather forecast
Sevan, Armenia

September

Weather in September

September marks the onset of autumn in Sevan. The drastic drop in temperature to an average high of 17.4°C (63.3°F) is a clear indicator of the changing season. The rainfall, too, drops down to 93mm (3.66"), allowing a smooth transition. As the scorching heat subsides, locals and tourists relish the mild weather and vibrant colors of fall. From hiking to sightseeing, the variety of outdoor activities make September a preferred month for travel.

Temperature

The onset of September brings a small shift in high-temperatures, falling from an agreeable 20.7°C (69.3°F) in August to a refreshing 17.4°C (63.3°F). Sevan reports an average nighttime low-temperature of 7.5°C (45.5°F) in September.

Humidity

In Sevan, the average relative humidity in September is 77%.

Rainfall

In Sevan, during September, the rain falls for 20.1 days and regularly aggregates up to 93mm (3.66") of precipitation. Throughout the year, there are 182.6 rainfall days, and 946mm (37.24") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 90 snowfall days, and 1648mm (64.88") of snow is accumulated.

Daylight

In Sevan, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 06:27 and sunset at 19:32. On the last day of the month, sunrise is at 06:56 and sunset at 18:44 +04.

Sunshine

The average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 3 in September suggests the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

What is the average September temperature?
During September, Sevan experiences an average high-temperature of 17.4°C (63.3°F) and a low-temperature of 7.5°C (45.5°F).
What is the average humidity in September?
In Sevan, the average relative humidity in September is 77%.
How many days does it rain in September?
In Sevan, in September, it is raining for 20.1 days, with typically 93mm (3.66") of accumulated precipitation.
When does it start snowing?
September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow.
How many hours of daylight does Sevan have in September?
In September, the average day length is 12h and 28min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 06:27 and sunset at 19:32. On the last day of the month, sunrise is at 06:56 and sunset at 18:44 +04.
How many hours of sunshine does Sevan have in September?
The average sunshine duration in September is 9.1h.
What is the UV index reading in September?
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Sevan, Armenia
Average temperature in September
Sevan, Armenia
  • Average high temperature in September: 17.4°C

The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-3.2°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is July (10.5°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).

Average pressure in September - Sevan, Armenia
Average pressure in September
Sevan, Armenia
  • Average pressure in September: 1015.4mbar

The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is July (1011mbar).

Average wind speed in September - Sevan, Armenia
Average wind speed in September
Sevan, Armenia
  • Average wind speed in September: 5.4km/h

The windiest month (with the highest average wind speed) is January (8km/h).
The calmest month (with the lowest average wind speed) is June (5.2km/h).

Average humidity in September - Sevan, Armenia
Average humidity in September
Sevan, Armenia
  • Average humidity in September: 77%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September - Sevan, Armenia
Average rainfall in September
Sevan, Armenia
  • Average rainfall in September: 93mm

The wettest month (with the highest rainfall) is June (175mm).
The driest month (with the least rainfall) is November (24mm).

Average rainfall days in September - Sevan, Armenia
Average rainfall days in September
Sevan, Armenia
  • Average rainfall days in September: 20.1 days

The month with the highest number of rainy days is May (27.3 days).
The months with the least rainy days are January and December (4.4 days).

Average snowfall in September - Sevan, Armenia
Average snowfall in September
Sevan, Armenia
  • Average snowfall in September: 1mm

The month with the highest snowfall is March (368mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in September - Sevan, Armenia
Average snowfall days in September
Sevan, Armenia
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is March (19.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September / Average sunshine in September - Sevan, Armenia
Average daylight in September /
Average sunshine in September
Sevan, Armenia
  • Average daylight in September: 12h and 3min

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 18min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in September - Sevan, Armenia
Average sunshine days in September
Sevan, Armenia
  • Average sunshine days in September: 7 days

The month with the most sunshine days is December (18.5 days).
The months with the least sunshine days are May and June (2.3 days).

Average UV index in September - Sevan, Armenia
Average UV index in September
Sevan, Armenia
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).

Average cloud cover in September - Sevan, Armenia
Average cloud cover in September
Sevan, Armenia
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is November (Cloud cover 36).

Average visibility in September - Sevan, Armenia
Average visibility in September
Sevan, Armenia
  • Average visibility in September: 8km

The months with the highest visibility are May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (6km).

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