Precipitation-free weather is expected; the air temperature will drop by 3–5 degrees.

In the city of Yerevan, no precipitation is expected during the day on September 26 and on September 27. Brief rain and thunderstorms are expected intermittently on the evenings of September 28 and 30, as well as on September 29 and October 1; wind speeds may increase to 16–19 m/s during thunderstorms. This was reported by the "Hydrometeorology and Monitoring Center" SNCO.

Across the country, short-term rain and thunderstorms are expected in isolated areas during the day on September 26, 28, and 30, and intermittently across most regions on September 29 and October 1; hail is also possible. No precipitation is expected on September 27 or during the nights of September 28 and 30.

Winds will be southwesterly at 2–5 m/s, intensifying to 17–20 m/s during thunderstorms.

Air temperatures will drop by 3–5 degrees on September 28–29.