Click on a day for an hourly weather forecast
The temperatures in Lake Sevan in September are quite cold with temperatures between 6°C and 17°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Lake Sevan. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Lake Sevan in September 2025.
If you’re planning to visit Lake Sevan in the near future, we highly recommend that you review the 14 day weather forecast for Lake Sevan before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -5° / -13° | 6 | 8 | 18 | 69 mm | Awful | Lake Sevan in January |
| February | -4° / -12° | 4 | 8 | 17 | 74 mm | Awful | Lake Sevan in February |
| March | 0° / -8° | 10 | 3 | 21 | 126 mm | Awful | Lake Sevan in March |
| April | 7° / -1° | 16 | 6 | 12 | 188 mm | Awful | Lake Sevan in April |
| May | 13° / 4° | 22 | 8 | 1 | 301 mm | Bad | Lake Sevan in May |
| June | 19° / 8° | 20 | 10 | 0 | 319 mm | Ok | Lake Sevan in June |
| July | 21° / 10° | 15 | 16 | 0 | 257 mm | Ok | Lake Sevan in July |
| August | 20° / 9° | 12 | 19 | 0 | 194 mm | Ok | Lake Sevan in August |
| September | 17° / 6° | 12 | 18 | 0 | 171 mm | Ok | Lake Sevan in September |
| October | 10° / 1° | 9 | 19 | 3 | 101 mm | Awful | Lake Sevan in October |
| November | 3° / -4° | 5 | 15 | 10 | 53 mm | Awful | Lake Sevan in November |
| December | -3° / -10° | 6 | 10 | 15 | 59 mm | Awful | Lake Sevan in December |