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Yerevan weather in September

Weather in Yerevan: September

Average day temperature: 81.4°F
Average night temperature: 61.0°F
Sea water temperature: 62.5°F
Number of sunny days: 27 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 1 day
Precipitation totals: 0.5 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 95°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during September were 78.2°F and 59.1°F.

Sea water temperature in Yerevan in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 64.8°F. The highest and lowest sea temperatures during the month were 67.8°F and 61.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Yerevan in September is 0.4 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 4.8 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 10.4.

Best time for vacation in Yerevan

Sunniest months:
August 28 days
September 27 days
July 26 days
Warmest months:
August 91.2 °F
July 91.2 °F
June 84.9 °F
Warmest sea temp:
August 65.3 °F
July 63.5 °F
September 62.5 °F
Coldest months:
January 35.8 °F
February 39.9 °F
December 41.6 °F
Rainiest months:
April 1 day
May 1 day
June 1 day
Windiest months:
August 5.2 mph
July 5.0 mph
June 4.5 mph

Yerevan on a weather map

Yerevan
+39°F
SW 2 mph
Feels like: +39°F
Precip.: 0%
Places in Armenia:
Name
°F
+34°F
+43°F
+32°F
+32°F
+27°F
+39°F
+32°F
+32°F
24 Hours Forecast
Yerevan
Local time: 20:45
December 05, friday
2100
39°F
SW
2 mph
December 06, saturday
0000
37°F
SW
3 mph
0300
36°F
S
4 mph
0600
36°F
S
3 mph
0900
37°F
SW
2 mph
1200
48°F
NE
2 mph
1500
50°F
NE
2 mph
1800
43°F
S
2 mph
Units of measurement: °C / °F